California Department of Fish and Wildlife
Aquatic Biological Assement

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Noteridae Level 1 Level 2

Noteridae

Adults:

Larvae:

 

Key Characters (adult)

Burrowing water beetles. Formerly considered to be in the Dytiscidae. Adults have a tapered oval shape; notopleural suture present; first ventrite divided by hind coxae; large hind trochanters; antennal segments 3-11 filiform and much longer than segments 1+2; visible scutellum lacking; sternum raised, platform-like; moderately to well-developed protibial spur; protibia fits into groove of profemur.

Key Characters (larva)

Larvae with 6-segmented legs, two apical claws; 8 abdominal segments; urogomphi short; body cylindrical or spindle-shaped, well scleritized.

Tolerance unknown
Distribution CA