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Hydrochidae Level 1 Level 2
|Key Characters (adult)||
Some experts consider this to be a subfamily of Hydrophilidae. Found in both lentic and lotic habitats. Adults have bulging eyes; narrow body ranging in size from 1.5-5.5 mm; pronotum narrower at the base, with shallow depressions.
|Key Characters (larva)||
Larvae presumably live in soil at water’s edge. Larvae with well developed, 5-segmented legs, single claw; labroclypeal margin symmetrical; 8 distinct abdominal segments; abdominal segments 8 and reduced 9th modified into spiracular atrium; urogomphi 2-segmented.