Bug and Insect Illustration (Illustrator)

Riffle Beetle, colored pencil and watercolor
Commissioned by: Minnesota Department of Natural Resources
About riffle beetles:
Riffle beetles are tiny aquatic insects. They eat plant material.
Kingdom: Animalia
Phylum: Arthropoda (having a segmented body with appendages on each segment)
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Elateriformia
Superfamily: Byrrhoidea
Family: Elmidae
More about riffle beetles:
US Environmental Protection Agency: Biological Indicators of Watershed Health
Also see