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Upcoming Events

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

National Moth Week was July 23-31, 2022! See moth submissions.

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Genus Leucospis

Chalcid Wasp - Leucospis affinis - female Squatty wasp or bee - Leucospis affinis - female Chalcid Wasp - Leucospis robertsoni Leucospis affinis? - Leucospis affinis hymenoptera - Leucospis affinis - female Unknown Hymenoptera - Leucospis affinis - male Wasp of some kind-  rectangluar marking - Leucospis affinis Split Posterior Chalcidoid Wasps - Dorsal  - Leucospis affinis - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Chalcidoidea (Chalcidoid Wasps)
Family Leucospidae
Genus Leucospis
Synonyms and other taxonomic changes
Leucospis Fabricius 1775
5 spp.* in our area(1), ~130 spp. total(2)
*Species not yet in the guide: L. texana (GA, NC, TX)
2.3-16.5 mm(3)
Life Cycle
Females ovipositing:
Print References
Clausen, C. (1940). Entomophagous Insects. New York and London: McGraw-Hill Book Company, Inc. Pp. x + 688. (Passage on Leucospis on pp. 236–238)
Graenicher S. (1905) On the habits and life-history of Leucospis affinis (Say): A parasite of bees. Bull. Wisc. Nat. Hist. Soc. 3-4: 153-159 (Full text)
Luo J.F., Liu Q. (2009) Life history and oviposition behavior of Leucospis gigas. Chinese Bulletin of Entomology 46(1): 77–81. [In Chinese]
Internet References
L. dorsigera searching for a host site & ovipositing (video; see also description here)
Works Cited
1.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.
2.Universal Chalcidoidea Database
3.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
4.A handbook of the families of Nearctic Chalcidoidea (Hymenoptera). 2nd Edition
Grissell E.E., Schauff M. E. 1997. Ent. Soc. Wash. 87pp.