Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes



Genus Eumenes

Thread-waisted Wasp? - Eumenes fraternus Eumenes? - Eumenes Wasp on Astilbe - Eumenes Eumenes - Eumenes crucifera Potter Wasp - Eumenes Eumenes fraternus? - Eumenes Eumenes? - Eumenes fraternus Eumenes verticalis - Saltspring - Eumenes crucifera - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Vespoidea
Family Vespidae (Hornets, Yellowjackets; Paper, Potter, Mason, and Pollen Wasps; and Allies)
Subfamily Eumeninae (Potter and Mason Wasps)
Genus Eumenes
Synonyms and other taxonomic changes
New World fauna reviewed in (1)
Explanation of Names
Eumenes Latreille 1802
prob. from the name of winged goddesses of vengeance in Greek mythology (the Eumenides; sing. Eumenis); literally means 'gracious, kind'
8 spp. in our area, 16 in the New World (all Eumenes s.str.), ~110 (and ~50 sspp.) in 2 subgenera total(1)

1. E. americanus: AZ, AR, CO, KS, MO, NE, NM, TX
2. E. bequaerti Grandinete & Carpenter 2018 (=brunneus Isely 1917 nec Spinola 1851), not yet in the guide: CO
3. E. bollii: western (AZ, CA, CO, IA, ID, KS, MD, MN, MO, MT, NM, NV, OK, OR, TX, UT, WA)
4. E. consobrinus: western (AZ, CA, CO, ID, MT, NM, OR, UT, WA WY)
5. E. crucifera: transcontinental (Canada: AB, BC, MB, NB, NS, NT, QC, ON; United States: AZ, CA, CO, CT, ID, IL, IN, KY, MA, ME, MI, MN, MO, ND, NH, NJ, NM, NV, NY, OH, OR, PE, SC, SD, UT, VT, WA, WI, WY)
6. E. fraternus: eastern (Canada: NT, ON; United States: AL, AR, CT, DC, FL, GA, IA, IL, IN, LA, KS, MA, MD, MI, MN, MO, MS, NB, NC, NH, NJ, NY, OR, OK, PA, SC, TN, TX, VA, WI, WV)
7. E. smithii: eastern (AL, FL, GA, KS, MS, NC, OK, TN, TX)
8. E. verticalis: transcontinental (Canada: AB, BC, MB, ON, QC, SK; United States: AZ, CA, CT, CO, DC, DE, ID, IL, IN, MA, MD, MN, MO, NC, ND, NH, NJ, NM, NV, NY, OK, OR, PA, SD, UT, VA, WI, WV, WY)
~13-18 mm
key to Nearctic species in(1)(2)
key to eastern spp.(3)
Larvae feed on caterpillars or beetle larvae
Life Cycle
The female makes a pot of clay as a nest, places eggs on wall of cell, and then provisions it with moth and beetle larvae.

Larva (with caterpillars) -- pupa -- adult

Pupal development
Works Cited
1.Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World
Grandinete Y.C., Noll F.B., Carpenter J. 2018. Zootaxa 4459: 1-52.
2.A key to and notes on the Eumenes of America north of Mexico (Hymenoptera: Eumenidae)
Mac Lachlan W.B. 1980. J. Kans. Ent. Soc. 53: 617-621.
3.Identification Atlas of the Vespidae (Hymenoptera, Aculeata) of the Northeastern Nearctic Region
Matthias Buck, Stephen A. Marshall, and David K. B. Cheung. 2008. Biological Survey of Canada [Canadian Journal of Arthropod Identification].