CATALOGUE OF INSECTS. 363 



S. inconstans, Fitch. 



S. mali, Fitch. 



S. vulgaris, Fitch. 



TRIOHOSIA, Winnertz. 

 T. hebes, Lw. 



Family SIMULIDJE. 



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

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

 we have, from published data. 



Family BIBIONID^. 



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. 



PLBCIA, Wied. 

 SCATOPSB, Geoff. 



