Phrypeus

Casey, 1924

Species Guides

1

Phrypeus is a of ground beetles (Carabidae: Trechinae: Sinozolini) containing the single Phrypeus rickseckeri. The genus was described by Casey in 1924 and is considered taxonomically isolated within the supertribe Trechitae. Its phylogenetic relationships remain obscure; larval studies have failed to link it definitively with any other tribe. The first-instar larva has been described and illustrated.

Phrypeus by (c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon. Used under a CC-BY license.Phrypeus rickseckeri by (c) Yves Bousquet, some rights reserved (CC BY). Used under a CC-BY license.Phrypeus rickseckeri by (c) Trevor Van Loon, some rights reserved (CC BY), uploaded by Trevor Van Loon. Used under a CC-BY license.

Pronunciation

How to pronounce Phrypeus: //ˈfraɪpiːəs//

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Images

Distribution

United States and Canada.

Life Cycle

First-instar larva has been described and illustrated; later instars and pupal stage undescribed in available sources.

Similar Taxa

  • BembidionPhrypeus was historically associated with Bembidiini, but larval provides no evidence linking it with Bembidiina; removal of Phrypeus would leave Bembidiina as a potential monophylum.
  • TrechusBoth belong to Trechitae, but Phrypeus lacks the claw reduction synapomorphy shared by Trechus and related genera.

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Sources and further reading