CATALOGUE OF INSECTS. 363 



S. inconstans, Fitch. 



S. mail, Fitch. 



S. vulgaris, Fitch. 



TRICHOSIA, Winnertz. 

 T. hebes, Lw. 



Family SIMULIDJE. 



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 BIBIONIDJE. 



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. 



DILOPHUS, Meigen. 

 D. dimidiatus, Lw. 



D. orbatus, Say. 

 D. thoracicus, Say. 



PLECIA, Wied. 

 P. heteroptera, Say. 



SCATOPSE, Geoff. 

 S. atrata, Say. 



