Baeocera Erichson 1845
Creators: name: Löbl, Ivan
name: Smetana, Aleš
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Baeocera

description: Key to the Sabah species of <i>Baeocera</i> 1 Lateral parts of metaventrite impunctate. Metanepisternum wide, with impunctate suture. Parameres asymmetrical.....................2 - Lateral parts of metaventrite coarsely and densely punctate. Metanepisternum fused or narrow, with punctate suture. Parameres symmetrical........................................................................................................................................................................................3 2 Antennomeres V and VI similar, XI about 1.5 times as long as X............................................................................. <i>B. barbara</i> Löbl - Antennomeres V and VI disimilar, VI much wider than V, XI about 2 times as long as X......................................... <i>B. doriae</i> (Pic) 3 Elytron and pronotum very finely punctate, elytron lacking basal stria................................................................. <i>B. secreta</i> <b>sp. nov.</b> - Elyton entirely or to part much coarser punctate than pronotum, with basal stria.............................................................................4 4 Elytron with basal stria shortened, not joined with lateral stria.........................................................................................................5 - Elytron with basal stria entire, joined with lateral stria......................................................................................................................6 5 Centre of ventrite I coarsely punctate, with punctures much larger than those on following ventrites. Parameres abruptly narrowed at about level of tip of median lobe................................................................................................................. <i>B. incisa</i> (Löbl) - Centre of ventrite I impunctate or with few extremely fine punctures, similar to those on following ventrites. Parameres notched at level of tip of median lobe................................................................................................................................... <i>B. sedata</i> <b>sp. nov.</b> 6 Metanepisternu fused, delimited by outer row of metaventral punctures, without distinct suture. Internal sac with complex sclerites.......................................................................................................................................................................................................7 - Metanepisternum distinctly delimited by suture. Internal sac simple, not sclerotized or with simple, narrow rod...........................8 7 Metaventrite coarsely punctate laterally, lacking impressed antecoxal puncture row. Ventrite I very finely punctate posterior of basal puncture row.......................................................................................................................................... <i>B. serendibensis</i> (Löbl) - Metaventrite impunctate anteriad impressed antecoxal puncture row. Ventrite I with scattered coarse punctures posterior of basal puncture row....................................................................................................................................................... <i>B. omnigena</i> <b>sp. nov.</b> 8 Ventrite I appearing impunctate posterior of basal row of coarse punctures.....................................................................................9 - Ventrite I distinctly punctate posterior of basal row of coarse punctures.........................................................................................14 9 Parameres notched posterior mid-length, in apical third lobed, as wide or wider than anterior mid-length.......... <i>B. kinabalua</i> Löbl - Parameres not notched, nor apically lobed.......................................................................................................................................10 10 Apical third to half of parameres distinctly narrowed......................................................................................................................11 - Apical third to half of parameres not narrowed................................................................................................................................13 11 Parameres straight, abruptly narrowed posterior of mid-length......................................................................... <i>B. segregata</i> <b>sp. nov.</b> - Parameres arcuate, gradually narrowed posterior of mid-length......................................................................................................12 12 Internal sac with membranous vesicle bearing scale-like structures; flagellar guide-sclerite long, nearly reaching apex of flagellum..................................................................................................................................................................... <i>B. sarawakensis</i> Löbl - Internal sac without membranous vesicle; flagellar guide-sclerite short, reaching about mid-length of flagellum........................................................................................................................................................................................................ <i>B. seigugata</i> <b>sp. nov.</b> 13 Flagellar-guide sclerite narrow, not widened basally, looped and not joined with oblique sclerite........................... <i>B. rufula</i> (Löbl) - Flagellar-guide sclerite widened basally and joined with oblique, ring-shaped sclerite........................................... <i>B. rudis</i> <b>sp. nov.</b> 14 Elytral disc entirely, nearly evenly and distinctly punctate................................................................................. <i>B. semirufa</i> <b>sp. nov.</b> - Apical fourth to half of elytral disc very finely, indistinctly punctate, much finer than anterior coarsely punctate discal surface....................................................................................................................................................................................... <i>B. obliqua</i> (Löbl)
description: Published as part of <i>Löbl, Ivan &amp; Smetana, Aleš, 2021, On the Baeocera Erichson (Coleoptera: Staphylinidae: Scaphidiinae) of Sabah, Malaysia, and a tale on mystified biodiversity, pp. 23-42 in J. Insect Biodiversity 23 (2)</i> on pages 26-27, DOI: 10.12976/jib/2021.23.2.1, http://zenodo.org/record/5646470