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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Vespoidea » Vespidae » Hornets and Yellowjackets (Vespinae) » Ground Yellowjackets (Vespula) » Forest Yellowjacket (Vespula acadica)

Photo#399150

Copyright © 2010 Vespula Vulgaris

Vespula acadica -

Perry County, Pennsylvania, USA
May 22, 2010

The pattern on this one does not go with vidua (even though vidua may be slightly variable). That means it is either: Vespula acadica, or Vespula austriaca. Both of which are a new species for me and an exciting find.

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Vespula acadica - female

Vespula acadica - female

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Contributed by Vespula Vulgaris on 22 May, 2010 - 12:12pm
Last updated 12 September, 2010 - 6:48pm

habitat

BTW-What was the habitat where this was found? Was this on a ridge?

… Ben Coulter, 18 August, 2010 - 10:31am

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Habitat

She was foraging in some pine trees. The surrounding area is primarily farmland and is surrounded by mountains on all sides in the distance

… Vespula Vulgaris, 22 August, 2010 - 1:09pm

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Moved

Moved from Vespula.

… Matthias Buck, 25 May, 2010 - 3:57pm

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Moved

Moved from ID Request.

… Vespula Vulgaris, 23 May, 2010 - 7:53am

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Vespula acadica?

I would like to know how this wasp species is V. acadica, since the abdominal patterns are extremely similar to V. austriaca. It is common for the queens and workers of V. acadica to have 2 yellow discal spots formed on each side inside the black regions of the first 2 tergites (sometimes on more or all tergites but it varies) but I think it's abnormal for the yellow discal spots to be this big. Especially in a worker...

… Devon Henderson, 30 July, 2010 - 10:53pm

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Well...

V. austriaca is a workerless parasite. It should have long, erect black hairs on the hind tibia, which I see no hint of here. The clypeal teeth on austriaca are very strongly recurved, which I also don't see here.

http://www.biology.ualberta.ca/bsc/ejournal/bmc_05/key_vespula.html

… Ben Coulter, 11 August, 2010 - 2:28pm

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