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Genus Vespula - Ground Yellowjackets

Southern Yellowjacket Queen - Vespula squamosa - female Vespula flavopilosa - female Western Yellowjackets 'nectaring' on Oak Galls - Vespula pensylvanica - female Yellow jacket? - Vespula squamosa New Year's yellowjacket - Vespula Yellowjacket - Vespula maculifrons Hymenoptera - Vespula pensylvanica - female Initial CT of nest. - Vespula
Classification
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 Vespinae (Hornets and Yellowjackets)
Genus Vespula (Ground Yellowjackets)
Explanation of Names
Vespula Thomson, 1869
Numbers
Thirteen species of Vespula in North America (twelve native, and one exotic, V. germanica).
Identification
Overview of Species of Vespula

Queen       Worker      

Queen       Worker      

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Queen       Worker      

Queen       Worker      

Queen       Worker      

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For keys to species see:
Key to the ten eastern (plus one adventitious western) species in the Identification Atlas of the Vespidae of the northeastern Nearctic region (1).

Nests
1. V. alascensis, 2. V. consobrina, 3. V. flavopilosa, 4. V. germanica, 5. V. maculifrons, 6. V. pensylvanica, 7. V. squamosa
Internet References
Fact sheet (Grissell & Fasulo 2013)(2)
Works Cited
1.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].
2.University of Florida: Featured Creatures