Keys for Bees Outside Illinois
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Keys for Bees Outside Illinois
- Sam Droege's Slideshows
- Guide to the Bee Genera within Apidae of Eastern North America, Part 1
- Guide to the Bee Genera within Apidae of Eastern North America, Part 2
- Identification Guide to the Megachilidae Genera of Eastern North America
- Identification of Eastern North American Bee Genera in the Family Halictidae
- Eastern North American Andrenidae, bees, taxonomy, distribution, identification