Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Apoidea sans Anthophila – Apoid Wasps


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

A revision of New World Lyroda Say, 1937 (Hymenoptera: Crabronidae)
By Khvir V.I., Pulawski W.J.
Proc. CAS 66: 315–330, 2020

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

A revision of the bembicine wasps of America North of Mexico
By Parker J.B.
Proc. USNM 52: 1-155, 1917

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).

Studies in the nyssonine wasps IV. New or redefined genera of the tribe Nyssonini, with descriptions of new species...
By Pate V.S.L.
Trans. Am. Ent. Soc. 64: 117-188, 190, 1938
Full title: Studies in the nyssonine wasps IV. New or redefined genera of the tribe Nyssonini, with descriptions of new species (Hymenoptera: Sphecidae)
Full text

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