First instar larvae in the brood nest of Tapinoma sessile, the odorous house ant. 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
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
