Find insects of every stripe and color in this database on arthropods. Explore cabinets full of beetles, moths and butterflies.

Examines the ecology, fossil history and systematics of arthropods. From the University of California Museum of Paleontology at Berkeley.

Concise virtual encyclopedia provides a definition and introductory overview of this class of marine creatures. Includes related links.

Animal Diversity Web presents this large, diverse group of species and their natural history, including insects, crustacea and spiders.

View photos of some of the ants, butterflies, scorpions and tarantulas found in Arizona, or read newsletters.

Discover photos of Odonata, Arachnida, Hemiptera, Hymenoptera, Lepidoptera and Orthoptera. From the Univ. of Michigan Museum of Zoology.