California Department of Fish and Wildlife
Aquatic Biological Assement

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Chrysomelidae Level 1 Level 2

Chrysomelidae

Adults:

Larvae:

 

Key Characters (adult)

Leaf beetles. Very diverse group, mainly terrestrial. The few taxa associated with aquatic habitats generally found on emergent vegetation. Adults highly variable in size, shape and coloration; generally 5 tarsal segments on each leg, sometimes 4; tarsal segments 1-3 generally lobed with ventral adhesive pads; 5 abdominal sternites; 10-segmented antennae, usually filiform.
Key Characters (larva)

Larvae found associated with host plants; may be leaf miners or even case-bearers; legs often reduced, but present.
Tolerance unknown
Distribution CA