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For the United States & Canada
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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Subspecies Hoplisoides nebulosus spilopterus

 
 
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A review of the genus Hoplisoides Gribodo (Hymenoptera: Sphecidae: Gorytini) in North America
By Bohart R.M.
Proc. Ent. Soc. Wash. 99: 645-660, 1997

Review of the Canadian species of Hoplisoides (Hymenoptera: Crabronidae) with revisionary notes on the H. placidus species group
By Buck M.
J. Ent. Soc. Ontario 137: 63-79, 2006

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.

Checklist of the apoid wasps (Hymenoptera, Apoidea excluding Anthophila) of Canada, Alaska and Greenland
By Buck M., Bennett A.M.R.
J. Hymenopt. Res. 98: 195‒291, 2025

 
 
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