Polacantha gracilis
Long, slender, and yellow overall. Note the short wings, orange legs, orange male genitalia, and long female ovipositor. The eyes can be green or red. Long arista (tip of antenna).
Size: 15-17 mm
FL Season: April – August
Range: Southeast (MD to FL)
FL Range: Peninsula






References
Hine, J. S. (1909). Robberflies of the genus Asilus. Annals of the Entomological Society of America, 2(2), 136-170.