These are picture key nature series and are good for getting an insect, or spider to family. There are a few representative genra, mostly from the midwest or east coast. They are nicely illustrated, so that if it says something like, Pronatum is ovid and does not cover the tegula, there is almost always an illustration which helps you figure out what that means. I have had 10 year olds succeed in using these keys. There are many insect titles, some out of print, including, aquatic insects, immature insects, ticks and mites, grasshoppers, beetles and heminoptera. I just wish there were versions for how to know the western insects. Rob Sandelin South Snohomish County at the headwaters of Ricci Creek Sky Valley Environments <http://www.nonprofitpages.com/nica/SVE.htm> Field skills training for student naturalists Floriferous@msn.com
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