Coryphiini

Jakobson, 1908

Genus Guides

7

Coryphiini is a tribe of small rove beetles (Staphylinidae: Omaliinae) containing approximately 18 in six in North America, with additional species distributed across the Palaearctic region including China and Japan. The tribe includes both winged and wingless species, with several to mountainous regions of western North America. Members are characterized by distinctive mouthpart and structure used in species identification.

Ephelinus by (c) Zachary Dankowicz, some rights reserved (CC BY), uploaded by Zachary Dankowicz. Used under a CC-BY license.Ephelinus by (c) Zachary Dankowicz, some rights reserved (CC BY), uploaded by Zachary Dankowicz. Used under a CC-BY license.Eudectus crassicornis by (c) Katja Schulz, some rights reserved (CC BY), uploaded by Katja Schulz. Used under a CC-BY license.

Pronunciation

How to pronounce Coryphiini: /kɔːˈrɪfɪˌaɪniː/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Identification relies on examination of mouthparts (, , , , ) and male genitalia (); habitus drawings and detailed illustrations are essential for distinguishing and . The tribe can be separated from other Omaliinae by the combination of characters detailed in the tribal redefinition by Hatch, though specific diagnostic features require microscopic examination.

Images

Habitat

Many are associated with mountainous areas; western North American endemics occur in montane . Specific microhabitat preferences are poorly documented.

Distribution

Holarctic distribution with regional : three Holarctic; four species restricted to eastern North America; 11 species to mountainous western North America. Palaearctic records include China (Sichuan, Shaanxi) and Japan.

Similar Taxa

  • Other Omaliinae tribesCoryphiini is distinguished from related tribes within Omaliinae by mouthpart and genitalic characters; confusion most likely with Omaliini or Eudimerini without detailed morphological examination.

Sources and further reading