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Photo#450976
Small Black Ants and Caterpillar - Monomorium minimum - female

Small Black Ants and Caterpillar - Monomorium minimum - Female
Harrisonburg, Rockingham County, Virginia, USA
September 3, 2010
Size: ~2 mm
These small black ants were working busily around the rear end of the caterpillar. They did not seem to be bothering the caterpillar at all. The caterpillar has been identified as a Grey Hairstreak.

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Small Black Ants and Caterpillar - Monomorium minimum - female Small Black Ants and Caterpillar - Monomorium minimum - female

Moved
Moved from Ants.

Moved
Moved from Gray Hairstreak.

 
Unlinked
Ants unlinked from the Grey Hairstreak caterpillar. Also, MrILoveTheAnts has suggested Monomorium minimum as an identification for the ants in the comments on the caterpiller.

 
I agree with MrILTA - [i]Mono
I agree with MrILTA - Monomorium minimum.
Nice to catch this mutualistic interaction "on film". This ant commonly tends aphid, etc. and visits extrafloral nectaries, so not a surprise, but still I've never observed them with a lycaenid caterpillar in 40+ years of ant observation.

Moved
Moved from ID Request.

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