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Apoid Wasps (Apoidea)- traditional Sphecidae

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Composition of spider prey captured by the wasp Trypoxylon (Trypargilum) tridentatum tridentatum in two habitats in an oasis in
By Karina Domínguez & María Luisa Jiménez
The Canadian Entomologist 140: 388–392, 2008
Complete title: "Composition of spider prey captured by the wasp Trypoxylon (Trypargilum) tridentatum tridentatum in two habitats in an oasis in Baja California Sur, Mexico"

Full Text

Wasps of the Genus Trypoxylon Subgenus Trypargilum in North America (Hymenoptera, Sphecidae)
By Rollin E. Coville
University of California Press, Entomology, Volume 97, 1982

A Review of the Nearctic Wasps of the Genus Trypoxylon (Hymenoptera: Sphecidae)
By Grace A. Sandhouse
American Midland Naturalist, Vol. 24, No. 1, pp. 133-176, 1940

Revision of the nominate subgenus Sceliphron Latreille (Hymenoptera, Sphecidae) (Studies on the Sceliphronini, Part I).
By Jacobus van der Vecht & Frans M.A. van Breugel
Tijdschrift voor Entomologie, 111(6): pp. 185-255, 1968

California Bembicine Sand Wasps
By R. M. Bohart and D. S. Horning, Jr.
Bull. Calif. Insect Survey, Vol. 13, 49 pp. -- University of California Press, 1971
Full Text (PDF).

This is a useful resource for California and beyond as it has a keys to:

1) the genera of Bembicini of North America;
2) the species of Bembix in California;
3) the 10 species of Bicyrtes in North America;
4) the 7 species of Microbembex in the continental US.

Note: This reference does not cover subtribe Stictiellina (i.e. genera Glenostictia, Microstictia, Steniolia, Stictiella, and Xerostictia)...which are covered in the later companion volume Bohart & Gillaspy(1)(1985).

Review of the wasps of the subfamily Pseninae of North America (Hymenoptera: Aculeata)
By Malloch, J.R.
Proceedings of the United States National Museum. 82 (2967):1–60, 1933
full text
The 2 plates are found between pages 16 and 17 as numbered in the paper

Revision of the Nearctic Psenini (Hymenoptera: Sphecidae) I. Redescriptions and Keys to the Genera and Subgenera
By Gittins, A.R.
Transactions of the American Entomological Society Vol. 95, No. 1, pp. 49-76, 1969
full text with free JSTOR account

The Ammophila wasps of North and Central America (Hymenoptera: Sphecidae)
By Arnold S. Menke
Ammophila Research Institute: Bisbee, Arizona, 2020

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