bluuebunny/crossref_metadata_2025 huggingface dataset:
Abnormal visual activation in Parkinson's disease patients
Authors: Cardoso Ellison Fernando , Fregni Felipe , Maia Fernanda Martins , Melo Luciano M. , Sato João R. , Cruz Antonio Cesário , Bianchi Edno Tales , Fernandes Danilo Botelho , Monteiro Mário Luiz Ribeiro , Barbosa Egberto Reis , Amaro Edson
Published: July 2010

Among nonmotor symptoms observed in Parkinson's disease (PD) dysfunction in the visual system, including hallucinations, has a significant impact in their quality of life. To further explore the visual system in PD patients we designed two fMRI experiments comparing 18 healthy volunteers with 16 PD patients without visual complaints in two visual fMRI paradigms: the flickering checkerboard task and a facial perception paradigm. PD patients displayed a decreased activity in the primary visual cortex (Broadmann area 17) bilaterally as compared to healthy volunteers during flickering checkerboard task and increased activity in fusiform gyrus (Broadmann area 37) during facial perception paradigm. Our findings confirm the notion that PD patients show significant changes in the visual cortex system even before the visual symptoms are clinically evident. Further studies are necessary to evaluate the contribution of these abnormalities to the development visual symptoms in PD. © 2010 Movement Disorders Society
Descriptions of two new species of african Zyras in the collection of the zoological museum, Berlin
Authors: Last Horace R.
Published: July 2010

The author describes the two new species Zyras (Trachydonia) signatipennis and Z. (Homalodonia) politzari and corrects a confusion in a previous paper.
A new genus of oribatid mites (Acari, Oribatei, Oppiidae) from soil of Santiniketan, India
Authors: Bhattacharya Tanmay , Banerjee Runa
Published: July 2010

This paper contains the description of a new oribatid mite Neoppia minuta gen. et sp. nov. from West Bengal, India.
Ein experiment zur gründung einer population von gobi‐agamen, Agama stoliczkana (Blanford), Ausserhalb des Artareals
Authors: Stubbe Michael , Peters Günther , Uhlenhaut Karl , Dawaa Naniragijn
Published: July 2010

In 1974 21 specimens and in 1978 another 73 specimens of the Gobi agama (Agama stoliczkana altaica) have been removed from a population, inhabiting the Daschvanžel granitian rock outcrop in the region of the Bulgan river (most remote southwestern district of the Mongolian People's Republic) in order to establish a new population of this species under somewhat different climatical conditions to the north of the Mongolian Altai mountains near the Chovd city in the plains of the great Westmongolian lakes on a granitian massiv of the Ulan‐ul mountains. The ecological (including climatical) conditions of the dispenser and the new population as well as the method of collecting and transporting the lizards are described. All animals of the second portion (73 specimens) have been measured and weigthed (8 of them are retained for museal collection). Using this data the population structure (sex ratio, groups of different age) has been estimated (Abb. 1). In the future the new population will be controled by the Mongolian zoologists.
Ergänzende Beiträge zur psocoptera‐fauna der Mongolei
Authors: K. Günther Kurt
Published: July 2010

In a Psocoptera‐collection from the eastern parts of the Mongolian People's Republic were found out 23 species. One of these, Lachesilla mongolica sp. n., is new to science; four other species are new for the fauna of MPR [Caecilius atricornis MCLACHL., Stenopsocus stigmations IMH. & LABR., Ectopsocopsis xerophylla VISHNJ., Psococerastis gibbosa (SULZ.)], 13 species were collected at the first time in the East‐Aimak and 2 species are first records from the Chentej‐Aimak.
Thysanoptera (Insecta) aus der Mongolischen Volksrepublik
Authors: Schliephake Gert
Published: July 2010

Thysanoptera (Insecta) from the Mongolian People's Republic

Results of investigations on the Thysanoptera fauna of Mongolia are given. They comprise the collections of the years from 1975 to 1978 made by the Martin Luther University Halle—Wittenberg, Dept. of Zoology. Hitherto, 55 species of Thysanoptera have been recorded from Mongolia. 27 species are common in both the GDR and Mongolia. Taeniothrips leptocerus spec. nov. is described.
Ein Beitrag zur Symphytenfauna (Insecta, Hymenoptera) der Mongolischen Volksrepublik
Authors: Koch Frank
Published: July 2010

A Contribution to the Fauna of Symphyta (Insecta, Hymenoptera) of the Mongolian Poeple's Republic

From 1973 to 1979, the Mongolian‐German Biological Expeditions collected 422 specimens of Symphyta in various areas of Mongolia. The total output comprises 37 species. A new subspecies of Tenthredo sulphuripes (KRIECHBAUMER) is described. For 16 species, the new records for Mongolia indicate a dilatation of the known ranges. Remarks on the taxonomic and faunistic status of various species are given.
Über die Aufsammlung von Spinnen (Arachnida, Araneae) durch die Mongolisch‐Deutschen Biologischen Expeditionen in den Jahren 1977 bis 1979
Authors: Heimer Stefan
Published: July 2010

On the Collections of Spiders (Arachnida, Araneae) Made by the Mongolian‐German Biological Expeditions of 1977 to 1979

30 species of spiders collected during the Mongolian‐German Biological Expeditions of 1977 to 1979, are recorded. Some zoogeographical remarks are given. Possibilities how spiders can exist under semi‐desert conditions of Mongolia are discussed.
The Black Fly Breeding Sites in the Mongolian Part of the Selenge River Basin (Diptera: Simuliidae)
Authors: Jedlička Ladislav , Halgoš Jozef
Published: July 2010

The breeding sites of black flies in the Selenge river basin were analysed by different clustering methods, reciprocal averaging and detrended correspondence analysis. Nine types of black fly breeding sites were established. The type of breeding sites is determined first by a complex of water environmental factors controlling the zonality of watercourses, second by the transzonal factor‐complex induced by geographical zones. The different types correspond to the crenal, rhithral and (epi)potamal in taiga, forest‐steppe and mountain steppe zones, respectively.
Studies on Pteromalus puparum L. (Hymenoptera: Pteromalidae), a Pupal Parasite of the Cabbage Worm Pieris rapae L. (Lepidoptera: Pieridae) in Egypt
Authors: Abbas M. S. T. , El‐Dakroury M. S. I.
Published: July 2010

Biological peculiarities of Pteromalus puparum L., a pupal parasite attacking the pupae of the cabbage worm Pieris rapae L., have been studied under laboratory and field conditions. The results are dealt with in detail and discussed briefly.
Die Hirudineen‐Typen des Zoologischen Museums in Berlin
Authors: Hartwich Gerhard
Published: July 2010

The Types of Hirundinea in the Zoological Museum, Berlin

A catalogue of holotypes, syntypes, and paratypoids of 51 species, including 1 subspecies, of Hirudinea preserved in the collection of worms of the Zoological Museum, Berlin is presented. The species are arranged in alphabetical order.
Herpetologische Beobachtungen am Mount Kinabalu, Borneo
Authors: Malkmus Rudolf
Published: July 2010

15 species of amphibians and 14 species of reptiles are recorded here from the Mt. Kinabalu National Park, N. Borneo. The specimens taken in this area are described, mostly in detail. Apart from some rare species (Rhacophorus everetti macroscelis, Stegonotus borneensis, Maticora intestinalis everetti),Chrysopelea peliascould be found there for the first time. A newSphenomorphussp. has been discovered near Hot Springs/Poring. Further data on the vertical distribution of some species are given.
Neue Arten und neue Synonyme in der Gattung Amara Bonelli, 1810 (Coleoptera, Carabidae)
Authors: Hieke Fritz
Published: July 2010

New Species and New Synonyms in the Genus Amara Bonelli, 1810 (Coleoptera, Carabidae)

Descriptions of 18 new palearctic species and synonymisation of 7 species of the genus Amara BONELLI. Leiramara sg. nov. is erected for A. tachypoda TSCHITSCHERIN. Identification keys for the species of the subgenera Pseudoleiromorpha HIEKE and Cumeres ANDREWES, and for the Curtonotus andreae group are provided.
Gammaridea (Crustacea, Amphipoda) aus der Küstenregion von King George (Süd‐Shetland‐Inseln). Podoceridae
Authors: Rauschert Martin
Published: July 2010

Gammaridea (Crustacea, Amphipoda) from the Coastal Area of King George Island (South Shetland Islands). Podoceridae

The present study is based upon amphipod material collected during an investigation of the sublittoral of Fildes Peninsula (south‐western part of King George Island, South Shetland Islands). This research was part of the activities of GDR biologists participating in the 26th and 30th Soviet Antarctic Expeditions (SAE) in 1980/82 and 1984/86, respectively. In samples from five diving sites and in one sample taken up from the wrack‐bed, two representatives of the family Podoceridae have been found. – Podocerus capillimanus NICHOLLS, 1938 was detected in the sublittoral of the South Shetland Islands for the first time. A remarkable mass occurrence of this species is described. – With Dulichia antarctica sp.n., the occurrence of a species of Dulichia, a genus known as yet from the arctic boreal only is recorded for the southern hemisphere.
Impact of Males on the Numerical Response of Diaeretiella rapae (M'Intosh) (Hym., Aphidiidae), a Parasitoid of Lipaphis erysimi Kalt. (Hem., Aphididae)
Authors: Abidi Afroz Z. , Kumar Arvind , Tripathi C. P. M.
Published: July 2010

The number of emerging offspring was affected by the density of the female parasitoid and the co‐presence of males along with the females. Parasitisation rates were evaluated in 5 × 1.7 cm petri dishes at parasitoid densities 1, 2, 4, and 8 females only and males mixed with same numbers of females. The mean number of parasitoid progeny with 1, 2, 4, and 8 female densities were 41.0, 48.6, 61.6, and 75.0 while with the introduction of equal number of males it decreased to 26.8, 37.0, 50.6, and 64.6, respectively. Two mechanisms apparently contributed to this effect: decreased offspring of the females and alteration of egg distribution pattern. The number of progeny produced per female parasitoid was inversely proportional to the parasitoid number which explicates the intraspecific competition amongst the parasitoid.
Kreuzungsexperimente zur Prüfung der Artgrenzen im Genus Lacerta sensu stricto
Authors: Rykena Silke
Published: July 2010

Hybridization Experiments as Tests for Species Boundaries in the Genus Lacerta sensu stricto

Hybridization experiments between the five commonly recognized species L. agilis, L. viridis, L. schreiberi, L. strigata, L. trilineata reveal increased rates of malformation and reduced fertility up to sterility as postzygotic isolating mechanisms. Depending on the combination, 30% up to 100% of hybrid females are sterile while only two sterile males were observed among hundreds. In backcrosses and in the rare cases of F2 generations, a drastic decrease of reproductive success was observed, if fertile offspring occurred. Clear species boundaries between the five species are demonstrated, although different degrees of postzygotic isolation indicate different genetic distances between them. Results from crosses within the taxon L. viridis s. 1. justify the distinction of two polytypic semispecies, L. bilineata in the western part of the range and L. viridis in the eastern part.
An Annotated Type Catalogue of the Geckos (Reptilia: Gekkonidae) in the Zoological Museum, Berlin
Authors: Bauer Aaron , Günther Rainer
Published: July 2010

A complete catalogue is provided of the type specimens of geckos in the herpetological collection of the Zoological Museum, Museum of Natural History, Berlin as of December, 1989. Besides a few cases in which the status of the types is questionable, the collection contains 282 type specimens of 93 taxa. 63 of these taxa are presently regarded as valid at the specific or subspecific level.
Die erste Erichsonius‐ Art von den Komoren: E. comorensis spec. nov. (Coleoptera, Staphylinidae, Philonthini)
Authors: Uhlig Manfred
Published: July 2010

The First Erichsonius Species from the Archipel des Comores: E. comorensis spec. nov. (Coleoptera, Staphylinidae, Philonthini)

Erichsonius comorensis spec. nov. is described and figured. Locus typicus: Grande Comore, Lac Hantsongoma.
Revision of the Japanese Species of the GenusErichsoniusFauvel (Coleoptera, Staphylinidae, Philonthini)
Authors: Uhlig Manfred , Watanabe Yasuaki
Published: July 2010

A revision of the staphylinid genusErichsoniusof Japan is presented including a historical review, a discussion of diagnostic characters and techniques, a key to the species, and some remarks on the zoogeography of this group. Each species is described and illustrated, all available bionomic and distributional data are presented, and distributional records are mapped.

Ten species are recognized, seven of which are described as new:Erichsonius(Sectophilonthus)hokkaidoensisUHLIG&Y. WATANABEfrom Iburi, Hokkaido;E. (S.) shibataiY. WATANABE&UHLIGfrom Ohkura near Tanzawa, Kanagawa;E. (S.) itoiUHLIG&Y. WATANABEfrom Mt. Ohdaigahara, Nara;E. (S.) sawadaiUHLIG&Y. WATANABEfrom Oonuma‐Park, Hokkaido;E. (S.) vulgarisUHLIG&Y. WATANABEfrom Yunokoya, Gunma;E. (S.) naomiiUHLIG&Y. WATANABEfrom Mt. Omoto on the Ishigaki Island, Okinawa; andErichsonius(s. str.)watanabeiUHLIG from Yachi, Hakkǒda, Aomori.

Lectotypes are designated forActobius kobensisCAMERON, 1933, andA. japonicusCAMERON, 1933.
Notes on Mitobatinae VI. A Review ofMetamitobatesRoewerwith New Synonymies (Opiliones: Laniatores: Gonyleptidae)
Authors: Kury Adriano B.
Published: July 2010

Neomitobates gracilipesROEWER, 1913,Neomitobates venustusMELLO‐LEITÃO, 1933, both described upon females,Metamitobates genusulphureusROEWER, 1913, hitherto known only from males, andNeobourguyia rosaiMELLO‐LEITÃO, 1941 are herein considered new junior synonyms ofGoniosoma squalidumPERTY, 1833, type species ofAncistrotellusROEWER, 1923. The monotypic genusNeobourguyiaMELLO‐LEITÃO, 1941 (currently included in the synonymy ofDiscocyrtoidesMELLO‐LEITÃO, 1923) andAncistrotellusare considered junior synonyms ofMetamitobatesROEWER, 1913. Of the remnant 22 species currently grouped inAncistrotellus, 16 are referred to a monophyletic group, to which the available nameNeoancistrotusMELLO‐LEITÃO, 1927 (currently under the synonymy ofAncistrotellus) is given.NeomitobatoidesMELLO‐LEITÃO, 1933 is considered a new junior synonym ofNeoancistrotus. Neoancistrotusis treated briefly, and an emended diagnosis is given. Some comments are made on the relationships ofMetamitobates, and an emended diagnosis is given for the genus.Metamitobates squalidus(PERTY, 1833) new comb. is redescribed and figured.
Sacoglossa and Nudibranchia (Opisthobranchia) from the Aegean Sea: New Records for the Eastern Mediterranean Fauna
Authors: Koutsoubas D. , Koukouras A. , Thompson T. E.
Published: July 2010

Eight opisthobranch species of the orders Sacoglossa and Nudibranchia found in different areas of the Aegean Sea, and representing new records for the Eastern Mediterranean are presented. Additional information is given on the morphology, the habitat, and the geographical distribution of each species.
Bemerkungen über cyrtodactyline Geckos aus Thailand nebst Beschreibungen von zwei neuen Arten (Reptilia: Gekkonidae)
Authors: Ulber Thomas
Published: July 2010

Notes on Cyrtodactyline Gekkos from Thailand with Descriptions of Two New Species (Reptilia: Geckonidae)

From a small collection of cyrtodactyline geckos made by J. NABHITABHATA in various parts of Thailand, four species are morphologically described. Two of them turned out to be new and are consequently described as Cyrtodactylus interdigitalis sp. nov. and Cyrtodactylus jarujini sp. nov. Whereas in the former it is very obvious that the new species is cladistically related to C. brevipalmatus (SMITH) and C. elok DRING by sharing the feature of interdigital membranes, the relationships of the latter are not quite clear. From its habitus and colouration this new species is similar to C. khasiensis (JERDON) and possibly C. medogensis (ZHAO & LI), but differs considerably from these by having femoral pores. Furthermore, a sample of the poorly known C. oldhami (THEOBALD) with an unusual colour pattern and a single female specimen of C. brevipalmatus (SMITH) are described. For each species ecological data are supplied additionally.
Raubmilben der Hypoaspididae, Laelapidae und Phytoseiidae auf dem Galapagos‐Archipel (Acarina, Parasitiformes)
Authors: Karg Wolfgang
Published: July 2010

Predatory Mites of the Hypoaspididae, Laelapidae and Phytoseiidae in the Galapagos Archipelago (Acarina, Parasitiformes)

For the first time the predatory mites (cohors Gamasina) of the Galapagos islands are investigated. The presented publication, concerning 3 families, is a first contribution of a series of investigations. The 3 families are only represented by 5 genera. Comparing the mouthparts of the Hypoaspididae it becomes clear that in Galapagos predatory mites of few genera have to control very different prey. 19 out of 21 ascertained species are novae species. They are described and documented by differential diagnoses and figures.
Comparative Morphology of the Three Species of Lamproglena (Copepoda, Cyclopoida, Lernaeidae) Described by von Nordmann, Based on Re‐Examination of the Types
Authors: Piasecki Wojciech
Published: July 2010

Examination of the type specimens of the three Lamproglena species described by von NORDMANN (1832) supplemented new details on L. pulchella, a common parasite of fresh‐water fishes, and confirmed the validity of subsequent identifications and descriptions of L. hemprichii. Morphological features of L. lichiae, described and illustrated for the first time in the present paper, suggest that it is a valid species, though it has never been found since its discovery.
Beziehungen zwischen Larvenmorphologie und Systematik der Adulti bei den Vogel‐Ischnozeren (Insecta, Phthiraptera, Ischnocera)
Authors: Mey Eberhard
Published: July 2010

Relations between the Morphology of Larvae and the Classification of Adults in the Ischnoceran Bird Biting Lice (Insecta, Phthiraptera, Ischnocera)

Morphological data on the postembryonic development of 86 species representing 51 genera of Ischnocera are considered in order to describe morphoclines or starting points for the following characters: coloration, structures of forehead, chaetotaxy of head, eyes, antennae, clavi, trabeculae, chaetotaxy of notum, tergites, pleurites, and metamery of abdomen. The results are compared with some classifications of the Ischnocera. The terminology of this study is fixed in a glossary.
BLOCH & SCHNEIDER'S Systema Ichthyologiae,1801: History and Autorship of Fish Names. BLOCH & SCHNEIDERS Systema Ichthyologiae, 1801: Geschichte und Autorschaft der Fischnamen
Authors: Karrer Christine , Whitehead Peter J. P. , Paepke Hans‐Joachim
Published: July 2010

After the death of M. E. BLOCH in 1799, his voluminous manuscript of the Systema ichthyologiae was completed, finished and published by J. G. SCHNEIDER in 1801. In the present paper the history of the origin of that important work is given, the autorship of the new fish names is discussed and a translation of the informative introduction of that work, written by SCHNEIDER, is presented.
Vier neue Anthiciden‐Arten aus dem Zoologischen Museum der Humboldt‐Universität in Berlin (Coleoptera, Anthicidae). 35. Beitrag zur Kenntnis der Anthicidae
Authors: Uhmann Gerhard
Published: July 2010

Four New Anthicid Species from the Zoological Museum of the Humboldt‐University in Berlin (Coleoptera, Anthicidae). 35th Contribution to the Knowledge of Anthicidae

Four anthicid species from East Africa are described as new and illustrated: Notoxus brunneus spec. nov., N. kibweziensis spec. nov., and N. lineatulus spec. nov. from Kibwezi (Kenia), as well as N. daressalaamensis spec. nov. from Dar es Salaam (Tansania). All holotypes and most of the paratypes are stored in the Zoological Museum of the Humboldt‐University in Berlin.
An Annotated Type Catalogue of the Teiid and Microteiid lizards in the Zoological Museum, Berlin. (Reptilia: Squamata: Teiidae and Gymnophthalmidae)
Authors: Bauer Aaron M. , Günther Rainer
Published: July 2010

A complete catalogue is provided for the type specimens of teiid and microteiid lizards in the herpetological collection of the Zoological Museum, Berlin, as of September 1993. The collection contains a total of 85 type specimens, representing 37 taxa in the families Teiidae and Gymnophthalmidae. Twenty‐six of these are currently regarded as valid at the specific or subspecific level.
Herpetological Results of Some Expeditions to the Nguru Mountains, Tanzania
Authors: Emmrich Dietmar
Published: July 2010

Eleven amphibian and eight saurian species have been observed and collected during several expeditions between 1988–1990 to the rain forest area of the Nguru mountains. Most of them are new records for this area. The species are briefly described and ecological data are provided.

Two topotypic Bradypodion f. fischeri specimens are now available for comparison, the first specimens from the type locality for more than one hundred years.

The close relationship of the herpetofauna of the Ngurus to the Uluguru and Usambara mountains is proven. Four species (Agama montana, Afrocaecilia uluguruensis, Chamaeleo deremensis, Scelotes uluguruensis) are no longer restricted to the Uluguru or/and Usambara mountains respectively.

Three snake species are also recorded from the area.
Redescription of Iphimediella serrata (Crustacea, Amphipoda, Iphimediidae) from the Antarctic Ocean
Authors: Leistikow Andreas , Coleman Charles Oliver
Published: July 2010

A redescription of the amphipod Iphimediella serrata (Schellenberg, 1926) is presented. It can easily be identified by the following characters: — paired dorsal, serrate processes on pereonite 6–7 and pleonite 1–2, — dostal carina on pleonite 3, — ventral margin of coxal plates 1–4 serrate, — pereopod 5–7 basis distal and posterior margin serrate; — outer plate of maxilla 2 with long setae. Iphimediella serrata and Iphimediella octodentata (Nicholls, 1938) are synonymous.
Polyplacophora‐Typen und ‐Typoide (Mollusca) im Zoologischen Museum in Berlin
Authors: Kilias Rudolf
Published: July 2010

Catalogue of the Types of Polyplacophora (Mollusca) in the Collections of the Zoological Museum in Berlin

This paper registers the type specimens of Polyplacophora (Mollusca) in the collections of the Zoological Museum in Berlin. It includes hundred‐one types of species, described by Edwin Ashby, W. T. Bednall, William Healey Dall, Frederic Wollaston Huttton, Tom Iredale, Hugo Frederic Nierstrasz, Georg Pfeffer, Henry Augustus Pilsbry, Ludwig Plate, Jean Rene Constantin Quoy & J. P. Gaimard, Alphonse Tremeau de Rochebrune, George Ossian Sars, Leopold von Schrenck, Henry Suter, Johannes Thiele, Kurt von Wissel. Collection and bibliographical data are provided for the specimens.
Die entomologischen Afrika‐Expeditionen des Museums für Naturkunde Berlin von 1992 bis 1995 als Grundlage für das Forschungsprojekt „Zur Biodiversität von Insekten in der afrotropischen Region”︁
Authors: Koch Frank , Deckert Jürgen , Uhlig Manfred
Published: July 2010

The Entomological Expeditions of the Museum of Natural History Berlin to Africa from 1992 to 1995 as a Basis for the Project “Biodiversity of Insects in the Afrotropical Region”

The Museum of Natural History Berlin initiated the research project “Biodiversity of Insects in the Afrotropical Region” and organized eight entomological expeditions to southern Africa (Namibia, South Africa, Botswana, Zimbabwe, Zambia) in 1992, 1993, 1994 and 1995.

The paper summarizes the objectives of the research project and lists the investigated insect groups, the specialists from the Museum of Natural History Berlin as well as the national and international partners cooperating in the research project, the travel routes of the eight expeditions and its main localities (locality names, geographical synonyms, coordinates, and short characterizations).

Furthermore, the authors intend to draw the attention of the international community of entomologists to the availability of newly collected insect material from important localities of the southern afrotropical region and to invite interested researchers to take part in the study of these specimens.
Die Hydrophilidae und Spercheidae Namibias Unter Berücksichtigung des Materials der Namibia‐Expedition des Museums für Naturkunde Berlin 1992, ergänzt durch Nachweise aus früheren Namibia‐ und Kalahari‐Expeditionen (Coleoptera, Hydrophiloidea : Hydrophilidae et Spercheidae)
Authors: Hebauer Franz
Published: July 2010

The Hydrophilid and Spercheid Beetles of Namibia In Consideration of the Material of the Namibia Expedition of the Museum of Natural History Berlin in 1992, Supplement by Results of Former Namibia and Kalahari Expeditions (Coleoptera, Hydrophiloidea: Hydrophilidae et Spercheidae)

The results of the Namibia Expedition 1992, carried out by the Museum für Naturkunde der Humboldt‐Universität Berlin and the State Museum of Namibia, Windhoek, supplement by the results of several former missions of the Museum Alexander Koenig, Bonn, and the Transvaal Museum, Pretoria (Kalahari Expedition), are listed and discussed concerning the water beetle families Spercheidae and Hydrophilidae.

Altogether 4 species of Spercheidae and 81 species of Hydrophilidae are proved for Namibia and the Kalahari Desert up to now, including 5 species new to science described in this paper asAmphiops namibicussp. n.,Amphiops uhligisp. n.,Chasmogenus omissussp. n.,Helochares (Hydrobaticus) conformissp. n.,Laccobius uhligiGentili sp. n.; one additional new speciesBerosus (Enoplurus) wewalkaidescribed by S. Schoedl, Vienna, in a separate paper.

One new synonym is established:Enochrus (Methydrus) rubidusKnisch (=E. meineliHebauer syn. nov.).
A Review of the African Adinopsis Species with Description of Two New Species from Northern Namibia. (Coleoptera, Staphylinidae, Aleocharinae)
Authors: Uhlig Manfred , Klimaszewski Jan
Published: July 2010

Two new Adinopsis species from the banks of the Kavango River and connected temporary lakes in the Caprivi strip in Northern Namibia are described and illustrated: A. maraisi spec. nov. and A. deckerti spec. nov. (type localities: Namibia, Kavango, Mahango Game Reserve, 18°17′S/21°43′E, respectively 18°14′S/21°43′E).

The African Adinopsis species are reviewed, catalogued and keyed.
Revision of the Southern African Oedemeridae (Coleoptera, Tenebrionoidea)
Authors: Vázquez Xavier A.
Published: July 2010

A taxonomic revision of the Southern African members of the family Oedemeridae is presented. It is based on the examination of the type material of all previously described species in the region, as well as on almost 400 additional specimens. The generaNacatrorusandMelananthoidesare described as new to science. Seven of the twenty‐eight species recorded in Southern Africa are described as new.Probosca maraisi, P. endroedyi, Ditylomorphus blasae, Ditylomorphula crinita, D. mecophallica, D. albalateiandD. espanyoli.A total of fourteen new combinations are proposed:Eobia fusciventris, Ditylomorphus inconstans, Ditylomorphula nigrimembris, Ditylomorphula subfasciata, Ditylomorphula marginipennis, andNacatrorus hottentotus(transferred fromAnanca),Alloxantha holoxanthaandColobostomoides marshalli(transferred fromSessinia),Microsessinia marshalliandMicrosesssinia abdominalis(transferred fromAsclerosibutia),Pseudohyperasclera vittaticollis(transferred fromDitylus),Afrochitona clarimaculata(transferred fromChitona),Apterosessinia longula(transferred from Pterosessinia), andMelananthoides senex(transferred fromMelananthia). The genusAchitonaŠVIHLA, 1985 is proposed as new synonym ofAnacerdochroaŠVIHLA, 1985, andSessinia vittatithoraxBLAIR, 1926 as new synonym ofDitylus vittaticollisGERSTAECKER, 1871.Afrochitona, described as a subgenus ofChitona, is raised to generic rank, whilePterosessina, described as a separate genus, is regarded as a subgenus ofApterosessinia.The generaAlloxantha, Eobia andPseudohyperascleraare recorded from the Afrotropical Region for the first time, while the generaProbosca, DitylomorphusandDitylomorphulaare recorded from Southern Africa for the first time. Keys to the Southern African genera and species are given. All species are described, and all descriptions are accompanied by habitus and male and female genital illustrations, and distributions maps. Lectotypes for the following species are designated:Eobia fusciventris, Colobostomoides marshalli, Afrochitona clarimaculata, Ditylomorphus inconstans, Ditylomorphula subfasciata, D. marginipennis, Apterosessinia peringueyi, Melananthia costipennis, Microsessinia neavei, M, marshalliandM. terminalis.
An Annotated Type Catalogue of the Hemisotid, Microhylid, Myobatrachid, Pelobatid and Pipid Frogs in the Zoological Museum, Berlin
Authors: Bauer Aaron M. , Günther Rainer , Robeck Heidi E.
Published: July 2010

A complete catalogue is provided for the type specimens of hemisotid, microhylid, myobatrachid, pelobatid and pipid frogs in the herpetological collection of the Zoological Museum, Berlin, as of August 1994. The collection is particularly rich in types of Asian microhylids and contains a total of 120 type specimens representing 53 taxa in the five anuran families under consideration. Thirty‐one of these taxa are currently regarded as valid at the specific level.
Herpetologische Beobachtungen am Mount Kinabalu, Nord‐Borneo. V
Authors: Malkmus Rudolf
Published: July 2010

Herpetological Observations on Mount Kinabalu, North Borneo. V.

37 species of amphibians as well as 24 species of reptiles have been observed in the Mount Kinabalu National Park during a study tour in August 1994. Four forms are presumable new (genera Megophrys, Leptolalax; Bronchocela, ?Psammodynastes). The species are described, new ecological and bioacoustic data (circadiane rhythm of the call activity) and some remarks on reproduction biology (Pelophryne misera, Philautus saueri, Amolops cf. amoropalamus, Amolops cf. orphnocnemis) are given.
Gastropods of the Black Sea: Identification of Species New for the Bulgarian Coast
Authors: Wilke Thomas
Published: July 2010

Samples from beach drift were collected and separated into size classes at 16 sectors of the south Bulgarian Black Sea coast between 1979 and 1995. Fresh shells of more than 50 species of gastropod were identified in the size classes ≤ 1 mm and 1–3 mm. Ten are described and shown to be new for Bulgaria. The identity of Omalogyra atomus (PHILIPPI, 1841); Setia cf. turriculata MONTEROSATO, 1884; Cerithiopsis minima (BRUSINA, 1865) and Marshallora adversa (MONTAGU, 1803) is dicussed. The gastropod Ammonicera fischeriana (MONTEROSATO, 1869) is the first recorded species of this genus for the Black Sea.
A New Parasitic Copedod, Ergasilus ludhianata (Poecilostomatoida: Ergasilidae) from the Gills of Cyprinus carpio (LINNAEUS)
Authors: Battish S. K. , Brar M. , Bhalla N. , Kochar J.
Published: July 2010

A new species of parasitic copepod, Ergasilus ludhianata (Family: Ergasilidae) infesting the gills of Cyprinus carpio (LINNAEUS) is described.
Kritischer Katalog der Typen der Fischsammlung des Zoologischen Museums Berlin. Teil 7: Pimelodidae (Siluriformes)
Authors: Silfvergrip A. M. C. , Paepke H.‐J.
Published: July 2010

Critical Catalogue of the Types of the Fish Collection of the Zoological Museum of Berlin. Part 7: Pimelodidae (Siluriformes)

This paper is the seventh part of the catalogue of the fish types stored at the Zoological Museum (now: Institut für systematische Zoologie) of the Humboldt‐University of Berlin. It includes a brief summary of the type specimens of 24 species of the Neotropical catfish family Pimelodidae stored in the museum, together with a few taxonomical aspects of the included taxa.
The role of cytoplasmic polyadenylation element sequence on mRNA abundance during porcine embryogenesis and parthenogenetic development
Authors: Dobbs Kyle B. , Spollen William G. , Springer Gordon , Prather Randall S.
Published: July 2010

Development of a porcine germinal vesicle oocyte (GVO) to a 4‐cell stage embryo occurs during a transcriptionally silent period when the oocyte/embryo relies on maternally derived mRNA to encode proteins required for development. Regulation of translation and degradation of maternal mRNA is thought to be partially dependent on cytoplasmic polyadenylation elements (CPEs) within the 3′ untranslated region of the mRNA. The goal of this study was to determine how CPE sites affect the abundance of mRNA during embryogenesis and parthenogenetic development, and how cordycepin, a 3′‐deooxyadenosine (3′‐dA) that inhibits poly‐(A) tail formation, affects polyadenylation and transcript abundance. Expressed sequence tags (ESTs) from oocytes and 4‐cell stage embryos were scanned for the presence of five consensus CPEs. Nineteen different transcripts containing one to three CPEs were selected, and transcript abundance was determined in GVO, metaphase II, 2‐cell, and 4‐cell stage embryos via real‐time PCR while the length of the poly‐(A) tail was determined by using a poly‐(A) tail PCR (PAT) assays. Real‐time PCR was performed on three biological and two technical replicates for each stage. There was no direct correlation between poly‐(A) tail length, transcript abundance, and the CPE. In addition, the abundance of some messages was different if the embryo was the result of parthenogenetic activation. Cordycepin prevented polyadenylation of transcripts that normally undergo noticeable polyadenylation. Thus, CPEs may not be the only factors that regulate message stability, and parthenogenetic activation does not result in changes in transcript abundance that mimic in vitro fertilization. Mol. Reprod. Dev. 77: 699–709, 2010. © 2010 Wiley‐Liss, Inc.
Kopplungstechniken mit ICP‐MS
Authors: Krupp Eva
Published: July 2010

Die Spezies bestimmt Toxizität und Bioverfügbarkeit eines Metalls. Chromatographische Trennsysteme mit massenspektrometrischer Detektion sind hierfür ein universelles, nachweisstarkes Werkzeug.
“Over 100 hours of science”
Authors: Remenyi Christian
Published: July 2010

The 2nd European Chemistry Congress in Turin promises to repeat the great success of the Budapest congress two years ago. Igor Tkatchenko, co‐chairman of the scientific committee and organiser of the scientific programme of symposia and lectures, talks to Nachrichten aus der Chemie about the goals of the second Euchems conference.
Ein molekulares Korrosionsmodell für Metalle?
Authors: Neumaier Marco , Köppe Ralf , Schnöckel Hansgeorg
Published: July 2010

Marco Neumaier, Ralf Köppe, Hansgeorg Schnöckel

Immer noch sind die atomaren Prozesse, die bei der Oxidation von Metalloberflächen stattfinden, weitgehend unverstanden. Massenspektrometrische und quantenchemische Methoden zeigen, dass in der Reaktion der Modellverbindung Al13− mit Sauerstoff der Spinzustand des O2‐Moleküls für die Reaktivität eine entscheidende Rolle spielt.
Nicht nur Routine
Authors: Zbikowski Frauke
Published: July 2010

Gerätehersteller zeigten auf der Analytica FT‐IR‐Spektrometer speziell für die Forschung sowie FT‐IR‐ und Raman‐Mikroskope für ungeübte Anwender und Screening‐Anwendungen.
Von der Quecksilbertropfelektrode bis zum Biosensor
Authors: Henze Günter
Published: July 2010

Günter Henze

Vor nunmehr fast 50 Jahren erhielt der tschechische Chemiker Jaroslav Heyrovský (1890 − 1976)

für die Entwicklung der Polarographie den Nobelpreis.
“Man kann die Natur nicht überlisten”
Authors: Zbikowski Frauke
Published: July 2010

Den Forschern in der Pharmaindustrie, Chemikern wie Biologen, diktiert die Natur die Bedingungen.

Davon ist Werner Kramer, Geschäftsführer Forschung und Entwicklung von Sanofi‐Aventis Deutschland, überzeugt. Mit dem Chemiker und Arzt sprachen die Nachrichten aus der Chemie.
Aminierungen: die C‐H‐Bindung als funktionelle Gruppe
Authors: von Zezschwitz Paultheo
Published: July 2010

Paultheo von Zezschwitz

Gut verfügbare Metallkomplexe ermöglichen hochselektive Nitren‐Insertionen in C‐H‐Bindungen. Dabei bilden sich intermolekular sekundäre Amide, intramolekular dagegen verschiedenartige Heterocyclen. Ausgehend von Aziden wurden kürzlich Heteroaromaten synthetisiert.
Real‐time‐PCR als Alternative
Authors: Kiehne Matthias , Grönewald Cordt , Junge Benjamin , Musiol Tanja
Published: July 2010

Matthias Kiehne, Cordt Grönewald, Benjamin Junge, Tanja Musiol

Schnellmethoden auf PCR‐Basis können mikrobiologische Methoden in der Lebensmittelprüfung ersetzen, denn sie sind weniger zeitintensiv und arbeiten häufig spezifischer.
Cofaktoren bestimmen: Absorption oder Fluoreszenz
Authors: Held Paul , Bruss Martina
Published: July 2010

Paul Held, Marina Bruss

Viele biologische Assays basieren auf dem oxidativen Status der Coenzyme Nicotinamid‐Adenin‐Dinucleotid oder Nicotinamid‐Adenin‐Dinucleotid‐Phosphat. Da sich die reduzierten Formen dieser Moleküle in ihrer Lichtabsorptionsfähigkeit von den oxidierten Formen unterscheiden, lassen sich Reaktionen anhand der Lichtabsorption oder Fluoreszenzemission quantifizieren.
Ideen gibt es genug
Authors: Müllner Stefan
Published: July 2010

Stefan Müllner

Unternehmensgründungen in der Biotechnologie brauchen verständige Gründer, kenntnisreiche Investoren und unterstützende Persönlichkeiten.
em. Prof. Dr. Thomas Schönfeld
Authors: Komarek Kurt
Published: July 2010

Am 22. Mai 2008 ging em. Prof. Dr. Thomas Schönfeld nach langer, geduldig und tapfer ertragener Krankheit von uns, ein Wissenschaftler und Universitätslehrer, dessen Leben mit Überzeugung und Hingabe der Wissenschaft − Forschung und Lehre − gewidmet war.
Wenn Bakterien kleben bleiben
Authors: Hartmann Mirja , Lindhorst Thisbe K.
Published: July 2010

Mirja Hartmann, Thisbe K. Lindhorst

Bakterien besiedeln Zelloberflächen in gewaltiger Zahl. Unter dem Elektronenmikroskop betrachtet, könnte man ein adhäsives Escherichia‐coli‐Bakterium für eine winzig kleine Klette halten. Haben Kletten und Bakterien tatsächlich etwas gemeinsam?
Die Karl‐Ziegler‐Stiftung
Authors: Zörlein Caroline
Published: July 2010

Innerhalb der letzten 15 Jahre hat die Gesellschaft Deutscher Chemiker sechs Stiftungen eingerichtet, die sie treuhänderisch verwaltet. Diese unselbständigen gemeinnützigen Stiftungen fördern mit Auszeichnungen und Stipendien den wissenschaftlichen Nachwuchs auf unterschiedlichen Gebieten der Chemie.
Werden Sie Mitglied: Gründung der GDCh‐AG Fluorchemie
Authors: Lehmann Thomas
Published: July 2010

Fluor spielt wie kein anderes Element eine herausragende Rolle in vielen Bereichen der Grundlagen‐ und angewandten Chemie, der Lebenswissenschaften sowie der Industrie und Technik. Die Fluorchemie ist stark interdisziplinär ausgerichtet und lässt sich nicht einem der traditionellen Bereiche der Chemie zuordnen.
Gebremste Konsolidierung
Authors: Schneider Bernd W.
Published: July 2010

Bernd W. Schneider

Im ersten Halbjahr ging die Transaktionsaktivität innerhalb der Chemiebranche gegenüber dem Vorjahr zurück. Im zweiten Halbjahr angekündigte Großübernahmen in der Spezialchemie können dieses Jahr dennoch zum Rekordjahr machen. Dies zeigt der zweite Quartalsbericht zu Fusionen und Übernahmen.
Die Publikumsfrage in der Chemievorlesung
Authors: Fels Gregor
Published: July 2010

Gregor Fels

Mit einem radioelektronischen Kommunikationssystem hören Studenten in Vorlesungen nicht nur zu, sondern nehmen aktiv teil und lernen lieber.
Pestizidrückstände in Salat bestimmen
Authors: Steiniger David , Butler Jessie , Philips Eric
Published: July 2010

David Steiniger, Jessie Butler, Eric Philips

Die Kombination aus einer schnellen Probenvorbereitungsmethode und Gaschromatographie, gekoppelt mit Tandem‐Massenspektrometrie erzielt Nachweisgrenzen bei gängigen Pestiziden zwischen 0, 9 und 4 ng·g−1.
Two‐fluid model with interface sharpening
Authors: Štrubelj L. , Tiselj I.
Published: July 2010

Two‐fluid models are applicable for simulations of all types of two‐phase flows ranging from separated flows with large characteristic interfacial length scales to highly dispersed flows with very small characteristic interfacial length scales. The main drawback of the two‐fluid model, when used for simulations of stratified flows, is the numerical diffusion of the interface. Stratified flows can be easily and more accurately solved with interface tracking methods; however, these methods are limited to the flows, that do not develop into dispersed types of flows. The present paper describes a new approach, where the advantage of the two‐fluid model is combined with the conservative level set method for interface tracking. The advection step of the volume fraction transport equation is followed by the interface sharpening, which preserves the thickness of the interface during the simulation. The proposed two‐fluid model with interface sharpening was found to be more accurate than the existing two‐fluid models. The mixed flow with both: stratified and dispersed flow, is simulated with the coupled model in this paper. In the coupled model, the dispersed two‐fluid model and two‐fluid model with interface sharpening are used locally, depending on the parameter which recognizes the flow regime. Copyright © 2010 John Wiley & Sons, Ltd.
Contact algorithms for the material point method in impact and penetration simulation
Authors: Huang P. , Zhang X. , Ma S. , Huang X.
Published: July 2010

The inherent no‐slip contact constraint in the standard material point method (MPM) creates a greater penetration resistance. Therefore, the standard MPM was not able to treat the problems involving impact and penetration very well. To overcome these deficiencies, two contact methods for MPM are presented and implemented in our 3D explicit MPM code, MPM3D. In MPM, the impenetrability condition may not satisfied on the redefined regular grid at the beginning of each time step, even if it has been imposed on the deformed grid at the end of last time step. The impenetrability condition between bodies is only imposed on the deformed grid in the first contact method, while it is imposed both on the deformed grid and redefined regular grid in the second contact method. Furthermore, three methods are proposed for impact and penetration simulation to determine the surface normal vectors that satisfy the collinearity conditions at the contact surface. The contact algorithms are verified by modeling the collision of two elastic rings and sphere rolling problems, and then applied to the simulation of penetration of steel ball and perforation of thick plate with a particle failure model. In the simulation of elastic ring collision, the first contact algorithm introduces significant disturbance into the total energy, but the second contact algorithm can obtain the stable solution by using much larger time step. It seems that both contact algorithms give good results for other problems, such as the sphere rolling and the projectile penetration. Copyright © 2010 John Wiley & Sons, Ltd.
Thermal stability and dynamic mechanical behavior of exfoliated graphite nanoplatelets‐LLDPE nanocomposites
Authors: Kim Sumin , Do Inhwan , Drzal Lawrence T.
Published: July 2010

The objective of this research was to investigate thermal stability and dynamic mechanical behavior of Exfoliated graphite nanoplatelets (xGnP™)‐Linear Low‐Density Poly Ethylene (LLDPE) nanocomposites with different xGnP loading content. The xGnP‐LLDPE nanocomposites were fabricated by solution and melt mixing in various screw rotating systems such as co‐, counter‐, and modified‐corotating. The storage modulus (E′) of the composites at the starting point of −50°C increased as xGnP contents increased. E′ of the nanocomposite with only 7 wt% of xGnP was 2.5 times higher than that of the control LLDPE. Thermal expansion and the coefficient of thermal expansion of xGnP‐loaded composites were much lower than those of the control LLDPE in the range of 45–80°C (299.8 × 10−6/°C) and 85–100°C (365.3 × 10−6/°C). Thermal stability of the composites was also affected by xGnP dispersion in LLDPE matrix. The xGnP‐LLDPE nanocomposites by counter‐rotating screw system showed higher thermal stability than ones by co‐rotating and modified‐co‐rotating system at 5 wt% and 12 wt% of xGnP. xGnP had a great effect on high thermal stability of xGnP‐LLDPE composites to be applied as tube and film for electrical materials. POLYM. COMPOS., 2010. © 2009 Society of Plastics Engineers
Dispersion of multiwalled carbon nanotubes in thermoplastic elastomer gels: Morphological, rheological, and electrical properties
Authors: Paglicawan Marissa A. , Kim Jin Kuk , Bang Dae‐Suk
Published: July 2010

An investigation was reported here with an aim to prepare nanocomposite thermoplastic elastomer gels by dissolving polystyrene‐b‐poly(ethylene/butylene)‐b‐polystyrene (SEBS) triblock copolymer in selective hydrocarbon oils with the presence of multiwalled carbon nanotubes (MWCNTs). The properties related to morphology, viscoelasticity, electrical and mechanical properties, and thermal stability were explored and discussed. Dynamic rheological measurements of the resultant nanocomposite thermoplastic elastomer gels (NCTPEGs) confirmed that addition of MWCNTs affects the linear viscoelastic properties in which dynamic storage and loss moduli increase to some extent. At a temperature between 30°C and 40°C below the gel point the NCTPEGs have dynamic storage modulus greater than loss modulus (G′ and G″), thereby indicating that at room temperature a physical network is still present despite the addition of MWCNTs. The morphological properties revealed that MWCNTs were dispersed and exfoliated within the swollen TPE. The incorporation of small quantity of MWCNTs improved the thermal stability and mechanical properties of NCTPEGs. POLYM. COMPOS., 2010. © 2009 Society of Plastics Engineers
Erodent size effect on the erosion of polyphenylene sulfide composite
Authors: Sinmazcelik Tamer , Sari Nejat Y.
Published: July 2010

The effect of erodent particle size on solid particle erosion of randomly oriented short glass fiber and mineral particle reinforced polyphenylene sulfide (PPS) was investigated. To examine the effect of erodent size on the erosion resistance of the PPS composite, aluminum oxide particles at three different sizes, namely, 300–425 μm, 150–212 μm, and 45–75 μm, were used. The erosion tests were performed at six different contact angles of 15°, 30°, 45°, 60°, 75°, and 90°, respectively. The results showed a strong relationship between the erodent particle size and erosion rates of PPS composite. Maximum erosion rate for the erodent particles with sizes of 45–75 μm and 150–212 μm occurred at contact angle of 30°, on the other hand maximum erosion rate for particles having 300–425 μm size occurred between 45° and 60°. The morphologies of eroded surfaces were characterized by the scanning electron microscopy (SEM). Possible erosion mechanisms were discussed. POLYM. COMPOS., 2010. © 2009 Society of Plastics Engineers