University of Arizona
U of Arizona: Using Live Insects in Elem. Classrooms
A collection of twenty lessons with science and math activities that use live insects.
Other
Billy Bear4 Kids: Butterflies and Bugs
BillyBear4Kids.com is a great butterfly resource with links to butterfly cut-outs, flashcards, bookmarks, crafts, online games, and more. Scroll down for reproducibles.
Other
The Bug Club: Bug Pets
The Bug Club for young entomologists offers answers to insect questions, a colorful newspaper, and invertebrate caresheets if you're interested in keeping bugs as pets.