Hydnobius, : HATCH, 1929

Hoshina, Hideto, 2012, Review of the tribes Sogdini and Leiodini from Japan and North Chishima Islands. Part II. Genera Hydnobius and Leiodes (Coleoptera: Leiodidae), Acta Entomologica Musei Nationalis Pragae (suppl. 1) 52, pp. 1-168 : 7

publication ID	https://doi.org/10.5281/zenodo.4272467
DOI	https://doi.org/10.5281/zenodo.4339388
persistent identifier	https://treatment.plazi.org/id/03E98224-320A-0763-77A4-46CBFBC2A257
treatment provided by	Felipe (2020-11-13 20:14:11, last updated 2024-11-28 19:42:06)
scientific name	Hydnobius
status

Treatment

Key to species of Hydnobius View in CoL in Japan and North Chishima Islands

1. Body length 2.5–3.0 mm, body ca. 1.9× as long as wide ( Fig. 2A View Fig ); male metafemora bearing a large toothed projection ( Fig. 2E View Fig ); female abdominal sternite 8 bearing a robust spiculum ventrale at anterior margin ( Fig. 3C View Fig ). ................................................................. ........................................................................ 1. H. akitsuensis Hoshina & Sunada, 2003 View in CoL

– Body length 2.1–2.4 mm, body ca. 1.7× as long as wide ( Fig. 4A View Fig ); male metafemora bearing a small toothed projection ( Fig. 4E View Fig ); female abdominal sternite 8 with a thin spiculum ventrale at anterior margin ( Fig. 5C View Fig ). ........................................... 2. H. enomotoi View in CoL sp. nov.

References

HOSHINA H. & SUNADA T. 2003: The first record of the genus Hydnobius (Coleoptera. Leiodidae) from Japan with description of a new species. Japanese Journal of Systematic Entomology 9: 107 - 111.

Figures

Fig. 2. Hydnobius akitsuensis Hoshina & Sunada, 2003.A – body, dorsal view; B – ditto, lateral view; C – head; D – antenna; E – male hind leg; F – female hind leg. Scale I: 1 mm for A and B; II: 0.5 mm for C; III: 0.5 mm for D; IV: 0.5 mm for E and F.

Fig.3.Hydnobius akitsuensis Hoshina & Sunada, 2003.A – aedeagus, dorsal view; B – ditto, lateral view; C – female abdominal sternite 8; D – coxite and stylus. Scale I: 0.5 mm for A and B; II: 0.2 mm for C and 0.1 mm for D.

Fig.4. Hydnobius enomotoi sp. nov.A – body, dorsal view; B – ditto, lateral view; C – head;D – antenna; E – male hind leg; F – female hind leg. Scale I: 1 mm for A and B; II: 0.5 mm for C; III: 0.5 mm for D; IV: 0.5 mm for E and F.

Fig. 5. Hydnobius enomotoi sp. nov.A – aedeagus, dorsal view; B – ditto, lateral view; C – female abdominal sternite 8; D – coxite and stylus. Scale I: 0.5 mm for A and B; II: 0.2 mm for C and 0.1 mm for D.