Drapetes exstriatus

(Say, 1834)

Drapetes exstriatus is a of click beetle in the Elateridae. It was described by Thomas Say in 1834 and is native to eastern Canada. The species belongs to a of small, often inconspicuous beetles. Observations are relatively sparse, with limited published ecological information available.

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Pronunciation

How to pronounce Drapetes exstriatus: //ˈdreɪ.pə.tiːz ɛkˈstraɪ.eɪ.təs//

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Identification

Drapetes are small click beetles, generally under 10 mm in length. D. exstriatus can be distinguished from by subtle differences in elytral striation and body proportions, though precise diagnostic features require examination of or specialized keys. The specific epithet 'exstriatus' suggests reduced or absent elytral compared to related species. Identification to species level typically requires microscopic examination.

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Distribution

Eastern Canada, specifically recorded from Ontario and Québec.

Similar Taxa

  • Drapetes aequalisAnother eastern North American Drapetes ; distinguished by subtle differences in pronotal and elytral .
  • Other small Elateridae genera (e.g., Agriotes, Dalopius)Similar size and general habitus; Drapetes typically have more elongate, parallel-sided bodies and reduced striation.

More Details

Taxonomic history

Described by Thomas Say in 1834, one of the earliest North American entomologists. The Drapetes Dejean, 1821, contains approximately 20 worldwide, with most diversity in the Holarctic region.

Data limitations

Despite being described nearly two centuries ago, D. exstriatus remains poorly documented in modern literature. Most available information derives from museum specimens and scattered collection records rather than ecological studies.

Sources and further reading