Dolichoderus is a genus of dolichoderine ants found in eastern North America, Central America, tropical South America, Europe, most of Asia, and Australasia. The genus is the sole member of the tribe Dolichoderini and has an extensive fossil history across Baltic amber deposits in Europe. Dolichoderus is the type genus of the subfamily Dolichoderinae and was described in 1831. These ants cannot sting, are often seen tending to aphids and scale insects for honeydew, and some species of the genus, members of the D. cuspidatus group endemic to Southeast Asia, are nomadic aphid farmers.

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