Western carpenter ant

Camponotus modoc

''Camponotus modoc'' or western carpenter ant is a black carpenter ant with dark red legs. Workers range in size from 7 to 13 mm.
Carpenter ant nest  Camponotus modoc,Geotagged,Summer,United States

Habitat

It occurs in Western North America, where it makes nests in dead wood, including dead logs in the forests, as well as human houses.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderHymenoptera
FamilyFormicidae
GenusCamponotus
SpeciesC. modoc