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Tribe Psenini

Aphid Wasp - Mimesa - female Sphecidae - female Sphecidae - female Thread-wasted Wasp? Wasp Psen monticola Hymenoptera - male Crabronid
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 Pemphredoninae
Tribe Psenini
Explanation of Names
Psenini A.Costa 1858
86 spp. in 7 genera in our area;(1)(2) >450 spp. in 11 genera worldwide(3)
Distinctly petiolate abdomen • 3 submarginal cells • Antennal sockets well above clypeus
keys in (4)(1)
weltweit, most diverse in Holarctic & Oriental realms
Most of our genera provision their nests with leafhoppers(2)
Ammopsen: biology unknown
Mimesa: Cicadellidae
Mimumesa: Cicadellidae (adult Agallia leafhoppers)
Pluto: Cicadellidae
Psen: Membracidae and Cercopidae (extralimital spp. also upon Cicadellidae)
Psenulus: Aphididae and Psyllidae
Pseneo: Cicadellidae
Works Cited
1.Revision of the Nearctic Psenini (Hymenoptera: Sphecidae) I. Redescriptions and Keys to the Genera and Subgenera
Gittins, A.R. 1969. Transactions of the American Entomological Society Vol. 95, No. 1, pp. 49-76.
2.Catalog of Hymenoptera in America North of Mexico
Karl V. Krombein, Paul D. Hurd, Jr., David R. Smith, and B. D. Burks. 1979. Smithsonian Institution Press.
3.Pulawski W.J. (2023) Family group names and classification
4.Review of the wasps of the subfamily Pseninae of North America (Hymenoptera: Aculeata)
Malloch, J.R. 1933. Proceedings of the United States National Museum. 82 (2967):1–60.