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Subgenus Hypocrabro

Square-headed Wasp - Ectemnius continuus 5014670 - Ectemnius continuus We're thinking maybe Ectemnius - Ectemnius continuus Wasp - Ectemnius stirpicola Ectemnius sonorensis? - Ectemnius sonorensis  Crabronina - Squareheads Ectemnius continuus  - Ectemnius continuus Wasp - Ectemnius rufipes Ectemnius arcuatus in Saskatoon - Ectemnius arcuatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Apoidea sans Anthophila – Apoid Wasps)
Family Crabronidae (Square-headed Wasps, Sand Wasps, and Allies)
Subfamily Crabroninae (Square-headed Wasps)
Tribe Crabronini
Subtribe Crabronina
Genus Ectemnius
No Taxon Subgenus Hypocrabro
Numbers
16 spp. in our area(1)