Carpenter Ants - Camponotus castaneus - 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 » Ants (Formicoidea) » Ants (Formicidae) » Formicinae » Camponotini » Carpenter Ants (Camponotus) » Subgenus Tanaemyrmex (Camponotus Subgenus Tanaemyrmex) » Chestnut Carpenter Ant (Camponotus castaneus)

Photo#23684

Copyright © 2005 Lynette Elliott

Carpenter Ants - Camponotus castaneus

Fort Bragg, Cumberland County, North Carolina, USA
July 8, 2005

A Lady and the Tramp scene for bugs.

Images of this individual: tag all

Carpenter Ants - Camponotus castaneus

Host plant - Camponotus castaneus

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Contributed by Lynette Elliott on 9 July, 2005 - 3:02pm
Last updated 15 February, 2011 - 7:13pm

Acorn pip gall

This is an acorn "pip" gall of a Callirhytis species, probably C. balanopsis. Here is another example:

A link under that image shows a closeup of the gall and a shot of the yellowjacket actually feeding on it. I found another honeydew-secreting gall that doesn't seem to be attached to an acorn, but maybe the acorn was completely engulfed:

… Charley Eiseman, 22 October, 2011 - 10:18am

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Acorn pip gall

Cool. Thanks Charley.

… Lynette Elliott, 22 October, 2011 - 10:20am

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Moved

Moved from Carpenter Ants.

… Ben Coulter, 15 February, 2011 - 7:13pm

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C. castaneus

Looks like a pair of C. castaneus.

… Ben Coulter, 13 April, 2010 - 1:09pm

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Nectary? Plant?

LOoks like they are after nectar or something. What is that they are feeding from, another insect, or part of the plant? Some plants have "extrafloral nectaries" that provide nutrition to commensal ants, and the ants protect the plant from herbivores. I know this happens in the tropics on some trees. What sort of plant is this, did you get any other shots?

Very, very interesting.

Patrick Coin
Durham, North Carolina

… Cotinis, 9 July, 2005 - 6:09pm

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It's

an Oak tree, maybe blackjack Oak. I'll upload a photo in a minute.

… Lynette Elliott, 9 July, 2005 - 6:37pm

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Agree with blackjack oak

The leaf on the second photo is indeed Blackjack Oak (Quercus marilandica). The object that the two ants are feeding upon in the first image (above) is likely the bud for an acorn (which are stalked).

… John Pearson, 23 December, 2009 - 12:35pm

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