4 RE-CONFIRMING HOST SPECIFICITY OF THE FIRE ANT DECAPITATING FLY Pseudacteon curvatus AFTER FIELD RELEASE IN FLORIDA ....................30 Introducti on ................. ...............30........ ...... Materials and Methods .............. ...............32.... Re sults .... .... ....... ...............34.......... ...... Discussion ................ ...............35................. LI ST OF REFERENCE S ................. ...............37................ BIOGRAPHICAL SKETCH ................. ...............45.......... .....