PUBLICATION 159 



PLATE 22 



163 



154 



166 



167 



166 



168 



MALE GENITALIA. 



153. Psorophora 



154. Psorophora 



155. Psorophora 



156. Psorophora 



157. Psorophora 



158. Psorophora 



floridense Dyar & Knab. 

 jamaicensis Theobald. 

 toltecum Dyar & Knab. 

 columbiae Dyar & Knab. 

 cingulatus Fabricius. 

 cyanescens Coquillett. 



