PUBLICATION 159 



M 



670. 

 671. 

 672. 

 673. 

 674. 

 075. 



677 



'At 



| 



ft 



'Sffl 



Ml* 



68C 



Psorophora ciliata Fabricius. 

 Psorophora howardii Coquillett. 

 Psorophora Columbian Dyar & Knab 

 Psorophora horridus Dyar & Knab. 

 Psorophora discolor Coquillett. 

 Psorophora sayi Dyar & Knab 

 GS2 



IT •'<£*' 



672 



678 





m 



i 





682 



Eggs: 



b\Mm 



mm 



673 V 



Kfi Jt'SW 1 



w 



674 W 



681 



676. Aedes triseriatus Say. 



677. Aedes sylvestris Theobald. 



678. Aedes taeniorhynchus Wiedemann. 



679. Aedes sollicitans Walker. 

 6S0. Aedes infirmatus Dyor <&■ Knab. 

 681. Aedes tormentor Dyar & Knab. 



-\edes canadensis Theobald. 



