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

Species Gorytes willcoxi


A cladistic analysis of Gorytina (Hymenoptera: Crabronidae: Bembicini), with a reclassification of the subtribe
By Pavel G. Nemkov & Wojciech J. Pulawski
Zootaxa 2069: 1-17, 2009

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).

A generic revision of the fossorial wasps of the tribes Stizini and Bembicini with notes and descriptions of new species
By Parker J.B.
Proc. USNM 75: 1-203, 1929

The Sand Wasps: Natural History and Behavior
By Howard Ensign Evans & Kevin M. O'Neill
Harvard University Press, 2007
This book can be previewed here. I have only browsed it a bit, but it looks like yet another excellent work from Howard Ensign Evans and his collaborators.

Sphecid wasps of the world: a generic revision
By Richard Mitchell Bohart, Arnold S. Menke
University of California Press, 1976
This is an excellent reference work!! The entire masterly obra magnum (675+ pages!) can be accessed beginning at the link below:

      https://archive.org/details/bub_gb_FExMjuRhjpIC/page/n1

...provided courtesy of the "Internet Archive".

Thanks to Jeff for pointing to this link, which provides access to the entire work...unlike the incomplete coverage available at the Google Books link I had originally posted here.

Trap-nesting wasps and bees: life histories, nests, and associates
By Krombein K.V.
Smithsonian Press, Washington, DC. vi+570 pp., 1967

Wasps: Their Biology, Diversity, and Role as Beneficial Insects and Pollinators of Native Plants
By Heather N. Holm
Pollination Press LLC; First edition, 2021