Orthochaetes

Germar, E.F., 1823

Species Guides

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Orthochaetes is a of weevils in the Curculionidae, tribe Styphlini, established by Germar in 1823. The genus has Palearctic origins, with at least one , Orthochaetes setiger, documented as an introduction to North America. Records from Canada indicate establishment in Newfoundland and British Columbia. The genus is characterized by morphological features distinguishing it from other Styphlini genera, requiring modified identification keys for North American fauna.

Orthochaetes setiger by (c) Samuel Brown, some rights reserved (CC BY), uploaded by Samuel Brown. Used under a CC-BY license.Orthochaetes setiger by (c) Samuel Brown, some rights reserved (CC BY), uploaded by Samuel Brown. Used under a CC-BY license.Orthochaetes setiger (Beck, 1817) (11322413314) by Udo Schmidt from Deutschland. Used under a CC BY-SA 2.0 license.

Pronunciation

How to pronounce Orthochaetes: /ˌɔrθoʊˈkiːtiːz/

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Identification

Distinguished from other North American Styphlini by morphological features requiring additions to standard identification keys; specific diagnostic traits for the genus include characteristics of the rostrum and body form that separate it from similar small weevils in Curculioninae

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Distribution

Palearctic region (native); in North America with confirmed records from Newfoundland and British Columbia, Canada; additional distribution records from Denmark and Norway

Behavior

At least one (Orthochaetes setiger) has been observed as an species newly established in North America

Similar Taxa

  • Other Styphlini generaRequires modified identification keys to distinguish Orthochaetes from morphologically similar in the same tribe

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