Key to US Tapinoma species
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Key to workers of Tapinoma species known from the United States.
- Antennal scapes not quite reaching posterior of head; entire body pale yellow => Tapinoma litorale
- Scapes surpassing posterior margin of head; at least part of body dark brown to black => 2
- Concolorous dark brown to blackish brown, gaster as dark or slightly darker than the rest of the body => Tapinoma sessile
- Bicolored, head and mesosoma contrasting with gaster => 3