University of Michigan
University of Michigan Critter Catalog: Insects
A thorough site that provides a description of the characteristics of insects and then focuses on the insects of southeastern Michigan. Pictures, classification groupings, and sound clips of insects are included.
Earth Life
Wonderful World of Insects: An Introduction to the 32 Orders of Insects
A very thorough look at the world of insects. This site examines the 32 orders of insects and gives a complete explanation of the characteristics of each order. Text is supplemented with pictures.