One specimen of a mosquito new to Florida , Culex declarator, was first found in 1998 in IndianRiver County. A 2nd specimen was collected in 2002. Beginning in September 2003, Cx. declarator adults wereregularly encountered in routine mosquito surveillance sampling, with more than 300 specimens appearing in45 collections. Prior to our find, the U.S. distrubution was thought to be restricted to south Texas. The full extentof this species' distribution in Florida has yet to be determined.