646 list of dipteba. 



89. Erax Malis. 

 Asilus Malis, Cat. of Diptera, Pt. 2, 432. 



90. Erax robustcs. 



Mas. Niger ; mystax supra niger, subtus testaceus ; thorax piceo 

 tomentosus, vittis ferrugineus ; tibia; luteal, apice nigra; alee 

 fuscescentes. 



Male. Black, clothed with black hairs. Mystax with black 

 upper bristles, and with testaceous lower bristles. Thorax with 

 piceous tomentum and with indistinct ferruginous stripes. Tibia? 

 luteous, clothed with testaceous hairs ; tips black. Wings brownish. 

 Halteres tawny. Length of the body 9 lines ; of the wings 13 

 lines. 



91. Erax Marcinus. 

 Asilus Marcinus, Cat. of Diptera, Pt. 2, 404. 



92. Erax nervosus. 



Mas. Ater ; abdominis segmenta duo apicalia albida ; aim subfla- 

 vescentes, dilatata, inappendiculata, venis rufo-fusco mar- 

 ginata. 



Erax nervosus, Macq. Dipt. Exot. i. 2, 118, 28. 



93. Erax asper. 

 Erax asper, Diptera Satmdersiana, Pt. 2, 130. 



94. Erax Leon. 

 Asilus Leon, Cat. of Diptera, Pt. 2, 402. 



95. Erax concolor. 

 Erax concolor, Diptera Saundersiana, Pt. 2, 130. 



96. Erax? nitidus. 



Fosui. Cinereus ; antenna? et pedes nigra ; thorax nigro vittatus ; 

 abdomen nigrum, albido fasciatum ; tibia lutea, apice nigra ; 

 ala flavescentes. 



Asilus nitidus, Wied. Auss. Zweifl. i. 466, 62. 



