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 Pemphredoninae
Tribe Pemphredonini
Subtribe Stigmina
Numbers
10 spp. in 2 genera in our area(1), ~120 spp. in 11 genera worldwide(2)
Identification
Key to genera in: Finnamore, A. (1995). Revision of the world genera of the subtribe Stigmina (Hymenoptera: Apoidea: Sphecidae: Pemphredoninae), Part 1. Journal of Hymenoptera Research, 4, 204–284. Full Text Here