Figure 1. An adult female deer fly, Chrysops cincticornis, laying eggs. Photograph by Jerry Butler, University of Florida. The deer flies are yellow to black, have stripes on the abdomen, and possess mottled wings with dark patches. Yellow.
Photograph by J.L. Castner, University of Florida. Adults: The adult is a predominantly yellow fly about 1 cm (3/8 inch) long, similar The abdomen is yellow, black- haired on the sides, but with a broad yellow-haired stripe down the middle.
Adult is 5–8mm in length. Grey thorax with 4 narrow stripes. Buff or yellow abdomen. Covered with small hairs that serve as taste organs. Complex compound.