ASIL US. Robber Fly. 



1. A { Proctacanthtts) longus. iji "i- ; lirown, with tliife stripes on chest ; body grav ; legs chestnut. 



2. -J. {Proctacaiithus) heros. i ^^ in.; rediiish brown, with tour stripes on chest; siiles of botlv vellow ; 



iiaiiv ; shank anil feet insty. 



3. A. {ProctaciDitlius) philadclphicus. 1'^ in.; \ellowish biown, with tlaik marks on chest anil light 



triangular marks on boilv. 

 q. A. ( Trupa>!ca) qitadratus. I ',-( in. ; brown ; boilv black ; sides brown, white, hairv on edges of rings. 



5. A. {Dioffinites) uwhriniis. i ]/i in.; light yellow and brown on cliest ; body rusty orange, with black 



spots on sides ; legs stout. 



6. A. {^Diogmites) ternattis. i in. ; gold yellow ; light around l)lack marks on chest and on edges of rings. 



7. A. ( Proctacant/ms) hrcvipcnnis. i in. ; reddish gray; chest with a broad black and indistinct side stripes ; 



legs ciiestnut ; shanks black. 



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