Haliplus connexus

Members of Haliplidae are recognized by their small size (usually 2–5 mm), oval and convex body shape, and hind legs modified with fringes of swimming hairs. The genus Haliplus is distinguished from other haliplid genera by the presence of a distinct sutural stria on the elytra. Specific diagnostic features for H. connexus are not well documented in available literature.

Crawling water beetles in the family Haliplidae are associated with freshwater habitats including ponds, marshes, and slow-moving streams. They are typically found in shallow water among vegetation and debris. Specific microhabitat preferences for H. connexus have not been separately documented.

Documented from North America, with confirmed records from Manitoba and New Brunswick, Canada. The full extent of its range within North America is not comprehensively mapped.

Haliplidae beetles are known to be poor swimmers that crawl along submerged vegetation rather than swimming in open water. They frequently carry air bubbles trapped beneath the body for respiration. Whether H. connexus exhibits any distinct behavioral differences from congeners is unknown.

• Haliplus immaculicollisOverlaps in distribution and habitat; distinguished by differences in elytral coloration and punctation patterns, though precise comparative characters for H. connexus are not well established.
• Peltodytes speciesSympatric haliplid genus with similar habitat use; distinguished by the absence of a sutural stria on the elytra and generally more flattened body profile.

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• GBIF taxonomy match
• iNaturalist taxon