California Department of Fish and Wildlife
Aquatic Biological Assement

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Limnichidae Level 1 Level 2

Limnichidae

Adults:

Larvae:

 

Key Characters (adult)

Minute marsh-loving beetles. Generally riparian, living on plants or wood debris, some taxa marine intertidal. Adults oval and small, 1-2 mm in total length; very pubescent, sometimes distinctly colorful; antennae 11-segmented, short, with a 2- to 7-segmented club; 5 visible abdominal sternites.

Key Characters (larva)

Larvae live in moist, riparian soil. Larvae elongate; 9 abdominal segments; operculum present; gills absent.

Tolerance unknown
Distribution CA, OR, WA, AZ