During the last 25 years, two species of Eleutherodactylus frogs, coqui and greenhouse frogs, have become established in Hawaii and other Pacific Islands. Coqui frogs, Eleutherodactylus coqui, were introduced to Hawaii prior to 1988 via the horticultural trade (Kraus & Campbell 2002). Since their introduction, the number and size of coqui frog infestations have rapidly increased and frogs have spread throughout the four main Hawaiian Islands with the largest infestation on the island of Hawaii. Coqui frogs are small (