Hydrocolus
Roughley & Larson in Larson, Alarie & Roughley, 2000
Hydrocolus is a of small in the , Hydroporinae. The genus was erected in 2000 to accommodate several previously placed in related genera, particularly Hydroporus. It contains approximately twelve described species distributed primarily in North America, with some species known from northern Europe. Species are associated with and lotic freshwater .



Pronunciation
How to pronounce Hydrocolus: //ˈhaɪdroʊˌkɒləs//
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Habitat
Freshwater aquatic including ponds, lakes, and slow-moving streams. Specific microhabitat preferences vary by .
Distribution
North America (primary range), with some extending into northern Europe (Sweden, Finland). GBIF records indicate presence in the northeastern United States (Vermont) and Sweden.
Ecological Role
Predatory aquatic that function as in freshwater .
Similar Taxa
- HydroporusClosely related from which Hydrocolus were segregated; distinguished by subtle differences in male and body proportions
- SanfilippodytesAnother small Hydroporinae with overlapping preferences; requires examination of genitalic structures for definitive identification