Trephionus cylindriphallus

Trephionus cylindriphallus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Carabidae
Subfamily:	Platyninae
Genus:	Trephionus
Species:	T. cylindriphallus
Binomial name
	Trephionus cylindriphallus; Sasakawa, 2018

Trephionus cylindriphallus, is a species of beetle belonging to the family Carabidae. It is endemic to Japan.[1]

Etymology

The specific name cylindriphallus is due to cylindrical shape of the endophallus.[1]

Description

Body length of male is about 8.9–9.8 mm, whereas female is 8.2–10.0 mm. Dorsal surface blackish brown to black. Endophallus cylindrical in shape. No hind wings. Dorso-apical lobe semi-ellipsoid. Apex of aedeagus rounded.[1]

References

Sasakawa, K.; Itô, H. (2018). "Taxonomic notes on the ground beetles in the genus Trephionus Bates, 1883 from central Honshu, Japan". ZooKeys (742): 91–104. doi:10.3897/zookeys.742.23752. PMC 5904455. PMID 29670432. Retrieved 3 April 2018.

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[Tcylindriphallus-1] Sasakawa, K.; Itô, H. (2018). "Taxonomic notes on the ground beetles in the genus Trephionus Bates, 1883 from central Honshu, Japan". ZooKeys (742): 91–104. doi:10.3897/zookeys.742.23752. PMC 5904455. PMID 29670432. Retrieved 3 April 2018.