Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

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[cite:368959]
A helpful online version of the 1991 manual with 133 pictorial keys
http://sunsite.ualberta.ca/Projects/Aquatic_Invertebrates/index.php

Link is broken
Web resource no longer available. Is there a new link?

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