Helochares (Hydrobaticus) minor d’Orchymont, 1925

Dong, Xue & Bian, Dongju, 2021, Three new species and two new records of Helochares (Hydrobaticus) MacLeay 1871 from China (Coleoptera: Hydrophilidae: Acidocerinae), Zootaxa 4950 (1), pp. 166-180 : 173-174

publication ID

https://doi.org/10.11646/zootaxa.4950.1.9

publication LSID

lsid:zoobank.org:pub:9D4DA78E-15BC-40D2-9F71-863396CB8402

DOI

https://doi.org/10.5281/zenodo.4664554

persistent identifier

https://treatment.plazi.org/id/DA75665B-FFA2-FF8E-FF43-FA2EFBF8FF7A

treatment provided by

Plazi

scientific name

Helochares (Hydrobaticus) minor d’Orchymont, 1925
status

 

Helochares (Hydrobaticus) minor d’Orchymont, 1925  

( Figs. 13–14 View FIGURES 13–16 , 21 View FIGURES 21–24 )

Helochares (Hydrobaticus) minor d’Orchymont, 1925: 293   .

Material examined: 4 exs. (IAECAS): Hainan Province, Qionghai, Baishiling , 2007.11.14, 19°11′N, 110°24′E, 38 m, leg. Bian & Tong. GoogleMaps  

Diagnosis. Habitus as in Figs. 13–14 View FIGURES 13–16 . BL: 3.3–3.5 mm, BW: 1.6–1.7 mm. Body oval, moderately convex. Head, pronotum and elytra brown, apex of tarsal claws and ventral side black. Punctures on head dense. Punctures on pronotum denser and larger than those on head; pronotum with dark mark and several large punctures near anterior margin medially. Elytra with scutellary stria and ten striae; interstriae flat, with small punctures; strial punctures much larger and deeper than interstrial punctures.

Aedeagus ( Fig. 21 View FIGURES 21–24 ) 0.7 mm long, distal 1/3 gradually narrowed. Basal piece short, about 0.2-times of aedeagus length. Parameres short. Median lobe broadly membranous, with a sea anemone-like medial structure as apical region ( Fig. 21a View FIGURES 21–24 ). Apophyses of median lobe extending to base of basal piece. Membranous inner sac with dentiform bulges on each side ( Fig. 21b View FIGURES 21–24 ).

Distribution. China: Hainan (new record species to China); India; Vietnam.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Hydrophilidae

Genus

Helochares

Loc

Helochares (Hydrobaticus) minor d’Orchymont, 1925

Dong, Xue & Bian, Dongju 2021
2021
Loc

Helochares (Hydrobaticus) minor d’Orchymont, 1925: 293

d'Orchymont, A. 1925: 293
1925