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Tapinoma sessile tending aphids on bergamot while a parasitic wasp (Braconidae: Aphidiinae) slips in to lay eggs in the aphids. Urbana, Illinois, USA
Tapinoma sessile is a polygynous ant species. That is, their nests hold multiple egg-laying queens. Urbana, Illinois, USA
Tapinoma sessile is a polygynous ant species. That is, their nests hold multiple egg-laying queens. Urbana, Illinois, USA
On a sunny day in mid-February, odorous house ants (Tapinoma sessile) move the spring brood up under a sun-warmed rock to speed their development. Urbana, Illinois, USA
Tapinoma sessile - queen and worker. Queens are not only larger than workers, their bodies are structured to hold wings (now removed) and flight muscles. Urbana, Illinois, USA
Tapinoma sessile - odorous house ant, queen. Urbana, Illinois, USA
An eastern ant cricket Myrmecophilus pergandei in a nest of odorous house ants Tapinoma sessile. Urbana, Illinois, USA
First instar larvae in the brood nest of Tapinoma sessile, the odorous house ant. Urbana, Illinois, USA
Two nestmates of the odorous house ant (Tapinoma sessile) share a granule of sugar. Champaign, Illinois, USA.
Tapinoma sessile tending aphids on bergamot while a parasitic wasp (Braconidae: Aphidiinae) slips in to lay eggs in the aphids.

Urbana, Illinois, USA
Tapinoma sessile tending aphids on bergamot while a parasitic wasp (Braconidae: Aphidiinae) slips in to lay eggs in the aphids. Urbana, Illinois, USA
Tapinoma sessile tending aphids on bergamot while a parasitic wasp (Braconidae: Aphidiinae) slips in to lay eggs in the aphids.

Urbana, Illinois, USA
See photo in original gallery.
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all images and text © Alex Wild 2001-2013