Wikimedia
Wikipedia: Insects
Wikipedia offers detailed information on insects, invertebrate animals of the class Insecta.
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.
Enchanted Learning
Enchanted Learning: Insect Theme Page
Insect rhymes, crafts, coloring printouts, and quizzes are collected by Enchanted Learning. Color pictures, diagrams, and charts are included.