Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Arthropods (Arthropoda)
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Hexapods (Hexapoda)
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Insects (Insecta)
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Ants, Bees, Wasps and Sawflies (Hymenoptera)
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Aculeata - Ants, Bees and Stinging Wasps
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Apoidea sans Anthophila – Apoid Wasps
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Square-headed Wasps, Sand Wasps, and Allies (Crabronidae)
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Square-headed Wasps (Crabroninae)
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Crabronini
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Crabronina
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Ectemnius
Genus
Ectemnius
Subgenus Clytochrysus
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Subgenus Ectemnius
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Subgenus Hypocrabro
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Subgenus Metacrabro
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Subgenus Protothyreopus
Subgenus Clytochrysus
Subgenus Ectemnius
Subgenus Hypocrabro
Subgenus Metacrabro
Subgenus Protothyreopus