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Subfamily Astatinae

Wasp - Astata - female Wasp - Diploplectron - male UT Astata - Astata - male Unknown Crabronidae - male Astata sp - Astata - female black wasp - Astata - female Astata? - Astata Which wasp please........... - Astata - male
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 Astatinae
Explanation of Names
Astatinae Lepeletier de Saint Fargeau 1845
37 spp. in 3 genera in our area(1), >150 spp. in 4 genera total(2)
Males of Astata and Dryudella can be distinguished from Diploplectron by their holoptic eyes, while male Dryudella are distinguished from male Astata by malar space longer than mid-ocellar diameter and submarginal cell 1 shorter than 2 along their posterior edges.
Females have dichoptic eyes; Astata females have stout spines at edge of pygidial plate (spineless in Dryudella & Diploplectron) and submarginal cell 2 as long as or longer than 1 (shorter in Dryudella and Diploplectron)(3)
In our area, most spp. are western; a few, transcontinental(1)
larvae provisioned with heteropteran nymphs/adults, incl. Pentatomidae, Cydnidae, Scutelleridae, Lygaeidae, Reduviidae, Alydidae, and Rhopalidae(3)