CATALOGUE OF INSECTS. 363 



S. inconstans, Fitch. 



S. mali, Fitch. 



S. vulgaris, Fitch. 



TRIOHOSIA, Winnertz. 

 T. hebes, Lw. 



Family SiMULIDiE. 



There are several species of Simulium in the running streams, but 

 I have taken no imagos, and cannot even give a guess at what species 

 we have, from published data. 



Family BIBIONIDiE. 



BIBIO, Geoff, 

 B. albipennis, Say. 



I have taken this species in the State. Caldwell, common — 

 Crane. 



B. articulatus, Say. 

 B. femoratus, Wied. 



I have taken this species in the State. Caldwell, common — 

 Crane. 



B. pallipes, Say. 

 B. rufithorax, Wied. 

 B. xanthopus, Wied. 



D. dimidiatus, Lw. 

 D. orbatus, Say. 

 D. thoracicus, Say. 



P. heteroptera, Say. 

 S. atrata, Say. 



DILOPHUS, Meigen. 



PLECIA, Wied. 

 SCATOPSB, Geoff. 



