A guide to insects found in the Pacific Northwest that provides full-color photographs and information on the physical characteristics, feeding habits, and habitats of more than 450 species.

Classification and nomenclature -- What is an insect? -- Insect growth and development -- Insect-induced plant galls -- About this guide -- Searching for insects -- Insects and native plants -- Insect orders -- Order Coleoptera (beetles) -- Order Diptera (flies) -- Order Hemiptera (bugs) -- Order Homoptera (cicadas, leafhoppers, and allies) -- Order Hymenoptera (wasps, ants, and bees) -- Order Lepidoptera (butterflies and moths) -- Order Neuroptera (antlions, snakeflies, and allies) -- Order Odonata (dragonflies and damselflies) -- Order Orthoptera (grasshoppers, crickets, and katydids) -- Order Plecoptera (stoneflies) -- Non-insect invertebrate orders -- Order Acari (mites and ticks) -- Order Araneae (spiders) -- Order Polydesmida (polydesmid millipedes) -- Order Stylommatophora (land snails and slugs).