Tetramorium insolens is a species of ant in the genus Tetramorium. It is a medium-sized orange ant that is mainly seen on vegetation, has a monomorphic work caste with 12-segmented antennae, three-segmented antennal club, short antennal scapes that do not surpass the posterior margin of the head, a gradually sloped mesosoma, and strong propodeal spines. It has two waist segments and a gaster with a stinger.[1]
The species lives primarily and natively in the Pacific Island region,[2] with an invasive and non-native yet established presence recorded in Austria, Hungary, France, and the Netherlands.[3]