Abstract
ABSTRACT Tetramorium lucayanum Wheeler, described from the Bahamas, was long thought to be of West Indian origin. This species, however, is actually originally from Africa, and has been transported to the West Indies and elsewhere through human commerce. To examine the worldwide spread of T. lucayanum, I compiled and mapped specimen records from > 75 sites. I documented the earliest known T. lucayanum records for 22 geographic areas (countries and West Indies Islands), including 3 for which I found no previously published records: Gambia, Tortola, and Vieques. Tetramorium lucayanum has widely scattered records from 12 tropical African countries, primarily from forested sites. Exotic records of T. lucayanum come from 7 West Indies islands, Brazil, and greenhouses in Ireland and Italy. All outdoor records of T. lucayanum are from tropical sites, except for 2 subtropical records, both from urban Nassau, the capital of the Bahamas (25.1 °N): the original type locale and my new record from the local zoo, 2.5 k...
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