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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Genus Eumenes

Wasp - Eumenes fraternus - female Black Thread-waisted? Wasp - Eumenes fraternus Eumenes fraternus - female Wasp4 - Eumenes fraternus Wasp Pot - Eumenes Mason Wasp - Eumenes fraternus which mason wasp? - Eumenes fraternus Wasp or Bee? - Eumenes crucifera
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 (Yellowjackets and Hornets, Paper Wasps; Potter, Mason and Pollen Wasps and allies)
Family Vespidae (Yellowjackets and Hornets, Paper Wasps; Potter, Mason and Pollen Wasps)
Subfamily Eumeninae (Potter and Mason Wasps)
Genus Eumenes
Explanation of Names
Eumenes Latreille 1802
prob. from the name of winged goddesses of vengeance in Greek mythology; literally means 'gracious, kind'
8 spp. in our area(1), >100 described spp. total (Nguyen 2015)
~13-18 mm
to Nearctic species in(1)
key to eastern spp.(2)
Larvae feed on caterpillars or beetle larvae
Life Cycle
Female makes a pot of clay as a nest, places eggs on wall of cell, then provisions it with moth and beetle larvae
Larva (with caterpillars) -- pupa -- adult
Works Cited
1.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.
2.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].