Haliplus longulus

LeConte, 1850

crawling water beetle

Haliplus longulus is a of crawling water beetle in the Haliplidae. It occurs in North America with confirmed records from western Canada including Alberta and British Columbia. Like other members of Haliplidae, it inhabits aquatic environments. The species was described by LeConte in 1850. Observations remain sparse with only three documented records in iNaturalist.

Haliplus longulus by (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland. Used under a CC-BY license.

Pronunciation

How to pronounce Haliplus longulus: /ˈhælɪpləs ˈlɒŋɡjələs/

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Identification

Members of the Haliplus are small, oval beetles with hind legs modified for swimming, bearing fringes of setae. Haliplus longulus can be distinguished from by specific elytral punctation and body proportions, though precise diagnostic features require examination of or specialized literature.

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Habitat

Aquatic environments including ponds, lakes, and slow-moving waters with vegetation. As a crawling water beetle, it likely occupies shallow margins and vegetated substrates rather than open water.

Distribution

North America. Confirmed records from Alberta and British Columbia, Canada.

Similar Taxa

  • Other Haliplus speciesSmall size, oval body shape, and aquatic shared across ; requires examination of elytral punctation patterns and genitalia for definitive identification.
  • Peltodytes speciesAlso in Haliplidae with similar crawling water beetle ; distinguished by differences in pronotal shape and elytral striation.

More Details

Taxonomic authority note

NCBI lists authority as 'Leconte, 1950' which appears to be a typographical error; the correct authority is LeConte, 1850 as confirmed by GBIF and original description.

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Sources and further reading