This species was intercepted at U. S. ports-of-entry 15 times between 1995 and 2012, with specimens originating from Australia, the Bahamas, Colombia, and Puerto Rico. We also have examined specimens taken in quarantine from Tahiti (palm). ScaleNet lists hosts in the palm family (Arecaceae). It is most commonly intercepted on coconuts. Palmicultor browni is most likely native to the Australasian zoogeographic region where coconuts grow, and has been introduced in the Caribbean and Bahamas. No species of Palmicultor other than P. browni and P. palmarum (Maskell) have been taken in quarantine at U. S. ports-of-entry.