Acrolocha, Thomson, 1858

Shavrin, Alexey V., Smetana, Aleš & Agr. Gc, 2016, A new species of the genus Acrolocha (Coleoptera: Staphylinidae: Omaliinae) from Yunnan Province, China, Acta Entomologica Musei Nationalis Pragae 56 (2), pp. 665-670 : 669-670

publication ID

https://doi.org/ 10.5281/zenodo.5307034

publication LSID

lsid:zoobank.org:pub:CDCA4098-4FDC-47C4-BD5F-9B8343B481B6

DOI

https://doi.org/10.5281/zenodo.5333196

persistent identifier

https://treatment.plazi.org/id/03DC7371-FF82-FFEC-FF32-FB2EFBBA457B

treatment provided by

Marcus

scientific name

Acrolocha
status

 

Key to species of Acrolocha View in CoL of the eastern Palaearctic Region

1 Head between eyes flattened. Elytra without strong microsculpture, with coarse punctures arranged in longitudinal rows. Metatrochanters with posterior angulated projection (see WATANABE 2007: Figs 2, 7 View Figs 1–7 ). Male abdominal sternite VIII with thin median projections. ............................................................................................................................... 2

– Head between eyes distinctly convex. Elytra with strong microsculpture, with or without punctures. Metatrochanters lacking projection. Male abdominal sternite VIII lacking median projections. ........................................................................................................ 3

2 Pronotum distinctly convex, widest in middle part. Elytra dark brown, less than twice as long as pronotum. Inner side of male metafemur with distinct triangular tooth in median portion ( WATANABE 2007: Fig. 2 View Figs 1–7 ). Apical margin of male abdominal sternite VIII with three median projections (see WATANABE 2007: Fig. 3 View Figs 1–7 ). Median lobe of aedeagus wide, parameres narrow (see WATANABE 2007: Figs 4−6 View Figs 1–7 ). Body length: 2.20−2.40 mm. Japan. ......................................................................................... A. horiguchii Watanabe, 2007 View in CoL

– Pronotum flattened, widest in anterior third. Elytra yellowish-brown, more than twice as long as pronotum. Inner side of male metafemur without triangular tooth in median portion ( WATANABE 2007: Fig. 7 View Figs 1–7 ). Apical margin of male abdominal sternite VIII with deep emargination and long median projection (see WATANABE 2007: Fig. 8 View Figs 8–10 ). Median lobe of aedeagus moderately narrow, parameres wide (see WATANABE 2007: Figs. 9 View Figs 8–10 −11). Body length: 1.80−2.10 mm. Japan. ..................................... A. kanagawana Watanabe, 2007 View in CoL

3 Punctation of elytra distinct near base and scutellum, microsculpture of elytra very coarse. Apical margin of male abdominal sternite VIII straight ( Fig. 2 View Figs 1–7 ). Apical part of median lobe of aedeagus narrow, parameres wide and short ( Fig. 8 View Figs 8–10 ). Body length: 2.10−2.75 mm. China. ................................................................................... A. zhongdianensis View in CoL sp. nov.

– Punctation of elytra arranged in longitudinal rows, interspaces between punctures with coriaceous microsculpture. Apical margin of male abdominal sternite VIII rounded. Apical part of median lobe of aedeagus wide, parameres narrow, moderately long. ........... 4

4 Pronotum with Y-shaped median elevation and with distinct curved depressions on each side of elevation. Median lobe of aedeagus moderately wide, parameres narrow ( WATANABE 1990: Figs 11−12). Body reddish-brown to dark reddish-brown. Body size: 1.90−2.00 mm. Russia and Japan. .................................... A. miyamorii Watanabe, 1990 View in CoL

– Pronotum lacking median elevation, with midline consisting of small punctures, with indistinct longitudinal depressions on each side of midline and with indistinct small lateral depressions. Median lobe of aedeagus narrow, parameres wide ( ZHONG et al. 2009: Figs 8−9 View Figs 8–10 ). Body dark brown. Body size: 1.75−2.18 mm. China. ............................................. ........................................................................... A. wahuiensis Zhong, Zhao & Li, 2009 View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

SubFamily

Omaliinae

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