Portland Area Invertebrates

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Insects

Non-Insects

Coleoptera - beetles Diptera - flies Ephemeroptera - mayflies Hemiptera/Homoptera - aphids, spittle bugs, water striders and more Hymenoptera - bees, wasps and ants Lepidoptera - butterflies and moths Isoptera, Mantodea, Megaloptera, Neuroptera, and Orthoptera - termites, mantids, alderflies, lacewings, and grasshoppers Odonata - dragonflies and damselflies Plecoptera - stoneflies Trichoptera - caddisflies

Arachnida - spiders, mites, and ticks Bivalvia and Gastropoda- mussels, clams, snails and limpets Centipedes and millipedesCrustacea - crayfish, pill bugs, scuds and more Annelida - aquatic and earth worms OTHERS

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