Ilybius picipes

(Kirby, 1837)

Ilybius picipes is a predaceous diving beetle in the Dytiscidae. It has a Holarctic distribution, occurring in North America and the Palearctic region. The was historically confused with I. angustior but is now recognized as distinct based on genitalia and surface texture differences.

Musée entomologique illustré (6008702408) by Bisson-Cottard (Firm); Depuiset, A.; Fischbach, Gustave; Poteau, J.; Quartley, J.; Rothschild, J.; Specht, Friedrich; Vizetelly, Henry. Used under a Public domain license.

Pronunciation

How to pronounce Ilybius picipes: /ˈɪlɪbiəs ˈpɪsɪpɛs/

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Identification

Distinguished from the similar Ilybius angustior by its dull (not aeneous/-colored) upper surface and by diagnostic characters in the genitalia of both sexes. The two are habitually very similar in overall form.

Images

Distribution

Holarctic; recorded from North America, Finland, Sweden, Norway, and Canada. In North America, present in Alberta and other regions.

Similar Taxa

  • Ilybius angustiorVery similar habitually, but I. angustior typically has an aeneous (-colored) upper surface and differs in genitalia structure. Previously considered .

Sources and further reading