Coelostoma

Jia, Fenglong, Aston, Paul & Fikáček, Martin, 2014, Review of the Chinese species of the genus Coelostoma Brullé, 1835 (Coleoptera: Hydrophilidae: Sphaeridiinae), Zootaxa 3887 (3), pp. 354-376 : 358

publication ID	https://doi.org/ 10.11646/zootaxa.3887.3.4
publication LSID	lsid:zoobank.org:pub:ABD688ED-D7F6-40F1-8821-0C339293A2A5
DOI	https://doi.org/10.5281/zenodo.6140234
persistent identifier	https://treatment.plazi.org/id/297C0906-F21E-FFB4-0CBA-86CC97E7E193
treatment provided by	Plazi
scientific name	Coelostoma
status

Treatment

Coelostoma View in CoL (s. str.) vitalisi Orchymont, 1923

( Fig. 16 View FIGURES 15 – 23 )

Coelostoma vitalisi Orchymont, 1923: 418 View in CoL .

Type material: not examined.

Additional material examined. SINGAPORE: ‟Spore 13 // A. dʼOrchymont det. / Coelostoma / Vitalisi dʼOrchymont”. HAINAN: 1 male, Lingshui, Diaoluoshan Mount, 29.xii.1963, Zhenyao Chen leg. HONG KONG (13 spec., SYSU: 4 spec., PCPA: 9 spec.): 1 male, 22.4.2012, Wang Tong, in light trap, Paul Aston leg.; 2 males, 2.v.2012 Wang Tong to light trap, Paul Aston leg.; 2 males, 5.v.2012, Wang Tong, in light trap; 1 male, 10.vi.2008, Wang Tong, in light trap, Paul Aston leg.; 1 male, 18.vi.2012, Wang Tong, in light trap; 2 males, 19.vi.2012, Wang Tong, in light trap, Paul Aston leg.; 1 male, vii.2011, Wang Tong; 1 male, 9.vii.2011, Tai Mo Shan, Paul Aston leg.; 1 male, 30.vii.2012, Wang Tong, in light trap, Paul Aston leg.; GUANGXI: 1 male, Shiwandashan Forest Park, 267m, light trap, 9.vii.2011, Song Keqing leg. GUANGDONG: 1 male, Danxiashan mount, 3.v.2008, Fenglong Jia leg. YUNNAN: 2 males ( ASHC, AWWC): Xishuangbanna, 20 km NW Jinghong, Man Dian vicinity, at light, 22°08ʹN 100°40ʹE, 740 m, 26.v.2008, A. Weigel leg.

Diagnosis. Body size 4.1–4.7 mm. Prosternum moderately convex medially, not carinate but with a distinct tooth anteriorly. Head, pronotum and elytra with similar punctation; elytra with lateral portion more strongly punctate, without traces of series of punctures laterally. Mesofemora without dense pubescence. First abdominal ventrite not carinate, last abdominal ventrite not emarginate or truncate apically. Aedeagus ( Fig. 16 View FIGURES 15 – 23 ): 0.85 mm long. Median lobe very wide and short, reaching only to apical third of parameres, rounded at apex, gradually widening towards subbasally; gonopore large, slightly wider than long, situated subapically; parameres slender throughout, only slightly widening apically, rounded and with tuft of setae at apex.

Biology. Most specimens examined were collected at light.

Distribution. China (Guangdong, Guangxi, Hainan, Shandong, Yunnan), India, Indonesia, Malaysia, Mauritius, Nepal, Singapore, Sri Lanka, Vietnam ( Hansen 1999, Hebauer 2002, Orchymont, 1936).