PUBLICATION 159 



PLATE 22 



163 



154 



156 



157 



156 



168 



MALE GENITALIA. 



153. Psorophora floridense Dyar & Knab. 



154. Psorophora jamaicensis Theobald. 



155. Psorophora toltecum Dyar & Knab. 



156. Psorophora Columbia Dyar & Knab. 



157. Psorophora cingulatus Fabricius. 



158. Psorophora cyanescens Coquillett. 



