Unicolony
a large colony of ants in which it is often impossible to distinguish between individual nests (A4)
Unicolonial
an ant behavior strategy in which ants of the same species form large colonies of many different nests (A4)
Under-rock survey
a research technique in which researchers lift rocks and catalogue the invertebrates they find there (A4)
Trophallaxis
a process by which regurgitated food is passed among members of an ant colony (A4)
Tramp species
any species (such as an ant) that is well-adapted to living in close association with humans and easily dispersed around the world as humans ship goods and travel from one place to another (A4, C4)
Pitfall trap
a container buried flush with the ground surface and filled with bait and a preservative to attract, trap, and preserve foraging invertebrates (A4)