Technomyrmex difficilis (Hymenoptera: Formicidae) in the West Indies

James W. Wetterer


Technomyrmex difficilis Forel is an Old World ant often misidentified as the white-footed ant, Technomyrmex albipes (Smith). The earliest New World records of T. difficilis are from Miami-Dade County, Florida, collected beginning in 1986. Since then, it has been found in at least 22 Florida counties. Here, I report T. difficilis from 5 West Indian islands: Antigua, Nevis, Puerto Rico, St. Croix, and St. Thomas. Colonies were widespread only on St. Croix. It is probable that over the next few years T. difficilis will become increasingly important as a pest in Florida and the West Indies.

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