Baldorhynchus cohabitator Bello & Osella 2016, sp. n.
Creators: name: Bello, Cesare
name: Osella, Giuseppe
name: Baviera, Cosimo
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Curculionidae
Baldorhynchus
Baldorhynchus cohabitator

description: Baldorhynchus cohabitator Bellò & Osella sp. n.
(Figures 34, 34a, 34b, 34c, 34d, 34e, 34f, 67, 123)
Type locality. “Tampa del Ranzù, N° 3 Lo, 670 m, Dosso Ranzone, Concesio, Brescia” (Fig. 139).
Diagnosis. A Baldorhynchus species of large size and oval shape belonging to the B. moczarskii group. Within the species group, it is distinguished for large body size, the first funicle segment twice longer than the second and the antennal club enlarged. Punctation on the pronotum small, not aligned, sparse and deep. Elytral punctation coarse, wrinkled, dense, isodiametric, deep and regularly aligned. Total length: 5.20–5.55 mm. Elytra with length/width ratio 2.00. Pronotum length 1.10–1.20 mm with length/width ratio 1.15–1.20.
Type series. Holotype female: [transparent label with genitalia] // ♀ [white, printed] // " Lombardia, BS, Concesio, m. 670, Tampa del Ranzù, 29 III 2014, Bodei L. leg." [white, printed] // “collezione Luca Bodei ” [white, hand written] // " Baldorhynchus cohabitator sp. n., Holotype, det. Bellò & Osella, 2015" [red, hand written] (GOS). Paratype: " Concesio, BS, Tampa del Ranzù, N ° 3 Lo, 2 V 2015, Grottolo leg.” (MGR), one female. Types are two females. All genitalia were examined.
Holotype. Female. Total length: 5.55 mm. Rostrum elongate and covered by grey-brown pubescence, about twice longer than the head; dorsum convex; mesorostrum rather gibbous; a dozen epistomal setae thin, curved, semi-erect. Antenna strongly slender and elongate with long, semi-erect, thin setae; scape clavate and thin as funicle. Scape length: 1.05 mm; funicle length: 1.05 mm. Scape length/funicle length ratio: 1.00. Funicle with club ratios as follows: 14: 7: 6: 6: 5: 6: 5: 32 (club); fusiform club with first segment flat, longest of last five funicle segments, at least twice wider than funicle. Head smooth on disc, short, conical. Supraorbital area partially covered by brown -yellowish pubescence. Vertex width / mesorostrum width: ratio 2.00. Vestigial eyes present, barely visible, partially covered by brown-yellowish pubescence. Pronotum (length: 1.20 mm, width: 1.00 mm, ratio: 1.20) sub-cylindrical, sinuate at the base, longer than wide, wider in the middle; short golden erect seta inserted in center of hole; punctation deep, isodiametric but of different widths and not uniformly arranged; smooth little central area on disc. Scutellum small, slightly excavated, triangular. Elytra convex, elongate-oval with high suture (length: 3.40 mm, width: 1.70 mm, ratio: 2.00), strongly rounded on sides, widest at basal third and ogive-shaped on declivity. Punctation of striae deep, isodiametric but of different widths, only some with a minute and short seta; interspaces between strial punctation regular and less wide than hole. Interstriae less wide than striae, flat, smooth with sparse, short and erect setae. Legs thin and elongate, with rather long golden setae. Femora clubbed and edentate. Tibiae with seven/eight tooth-like tubercles on inner edge; protibia slightly curved in side view, metatibia and mesotibia straight. Sternite VIII with sides sub-parallel of lamina and with apical margin fused. Spermatheca with cornu developed, ramus and nodulus inconspicuous (Fig. 67). Ovipositor weakly sclerotized, gonocoxites tapered, with short styli and several more or less long setae.
Male. Not known.
Distribution. See Fig. 132. Italian endemic. Known only from “Tampa del Ranzù” cave (N° 3 Lo) at 670 meters of elevation: 45°37’25.43’’N 10°13’26.00’’E on Monte Palosso near Concesio (Brescia).
Etymology. From Latin, word “ cohabitator ” (cohabiting) because it was found in the same type locality as Baldorhynchus tedeschii.
Ecology/Phenology. Interestingly, the specimens were been found in a cave along with Baldorhynchus tedeschii hoc opus. The cave opens in limestone of the upper Jurassic (Tithonian—Aptian) (Grottolo in litteris, 2015). Inside it has been reported (Boldori, 1969; Grottolo & Martinelli, 1990; Vailati, 1988) the presence of the following species: Pachydrilus pagenstecheri Ratzel (Enchytraeida), Troglohyphantes ghidinii Lessert (Araneae), Androniscus dentiger calcivagus Verhoeff (Isopoda), Trichoniscus mancinii Brian (Isopoda), Brachydesmus superus Latz. (Myriapoda), Nematophora gen. et sp. (Myriapoda), Polysmus edentulus Koch (Myriapoda), Polymicron latzeli italicum Manfredi (Myriapoda), Heteromurus nitidus Templeton (Collembola), Troglophilus cavicola Kollar (Orthoptera), Mesophylax aspersus Ramb. (Trichoptera), Microptera fissa Mc Lachlan (Trichoptera), Stenophylax permistus Mc Lachlan (Trichoptera), Bolitophila cinerea Meig. (Diptera), Heteromyella atricornis Meig. (Diptera), Limnobia nubeculosa Meig. (Diptera), Rhymosia sp. (Diptera), Allegrettia boldorii Jeannel (Coleoptera), Antisphodrus reissi boldorii Dodero (Coleoptera), Trechus quadristriatus Schr. (Coleoptera), Boldoria aculeata Jeannel (locus classicus) (Coleoptera), Aegopis gemonensis Férussac (Pulmonata).
Reproduction. Probably parthenogenetic. Species known only from two females.
description: Published as part of Bello, Cesare, Osella, Giuseppe & Baviera, Cosimo, 2016, A taxonomic revision of the genus Baldorhynchus (Di Marco & Osella, 2002) stat. n. (Coleoptera, Curculionidae, Entiminae), pp. 1-101 in Zootaxa 4070 (1) on pages 80-82, DOI: 10.11646/zootaxa.4070.1.1, http://zenodo.org/record/1054428