Wasp Sp955 - Isodontia - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea sans Anthophila – Apoid Wasps » Thread-waisted Wasps (Sphecidae) » Sphecinae » Sphecini » Grass-carrying Wasps (Isodontia) » apicalis or mexicana (Isodontia apicalis or mexicana)

Photo#38402

Copyright © 2005 Steve Nanz

Wasp Sp955 - Isodontia

Ward Pound Ridge, Westchester County, New York, USA
August 5, 2005

Isodontia apicalis perhaps?

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Wasp Sp955 - Isodontia

Wasp Sp955 - Isodontia

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Contributed by Steve Nanz on 2 December, 2005 - 4:31am
Last updated 4 July, 2010 - 4:21pm

Moved

Moved from Grass-carrying Wasps.

… John S. Ascher, 4 July, 2010 - 4:21pm

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Moved

Moved from Isodontia apicalis.

… John S. Ascher, 15 March, 2008 - 10:29am

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Moved

Moved from Grass-carrying Wasps.

… Eric R. Eaton, 13 March, 2007 - 3:44pm

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Yes.

Female I. apicalis. You can acutally see that the mandible is bidentate! That rules out its lookalike, I. mexicana. Great shot! Moving to guide page.

… Eric R. Eaton, 13 March, 2007 - 3:44pm

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you can see that the mandible APPEARS to be

bidentate

… John S. Ascher, 11 August, 2007 - 6:12pm

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Blow Up of Head

I added a blow up of the head. Same shot just blown up.

… Steve Nanz, 12 August, 2007 - 2:40am

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I'm still not sure

but I strongly suspect this is Isodontia mexicana based on range.

… John S. Ascher, 13 August, 2007 - 1:31pm

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I haven't seen specimen records of I. apicalis

from NY or New England.

And the catalog lists it northeast only to NJ.

… John S. Ascher, 8 August, 2007 - 8:45am

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Field Marks?

Thanks for the updated info. Is there a way to ID this wasp in the field or can it be done only by dissection? This photo is at 33% and I could blow it up quite a bit if Iknew what to look for.

… Steve Nanz, 8 August, 2007 - 5:04pm

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Thanks Eric

Thanks Eric

… Steve Nanz, 15 March, 2007 - 5:33am

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Isodontia at any rate...

But I declare myself incompetent about the species level, because the species of this group are very similar, particularly in the male gender. Hymenopterans from various taxa have the habit of overnighting this way, by grasping a stem with their mandibles.

… Richard Vernier, 2 December, 2005 - 11:17am

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