No. 22.] HV ..'.'. 5if 



D. nigrellus Bntes. 

 Blade, except base and tip of a ... ^r.:-. 



I or ^inal cell ir. 



black; wing's bifasciate. Length 4.25 mm. 

 ''D. ormenidis Ashmead. 



legs, except mid and d tibiae, urine!] are black, 

 rufous; marginal cell CO .;:' 



Length 4-4.5 mm. Pa . m Ormenis frumosa .:}- 



tentrionalis. 



Chelogynus ;:aliday. 

 /fr, (<j Species. 



1. Thorax reddish atrkeps 



Body entirely black 2 



2. Le; 1 



Femora black, except tips - >'.;r (CM 



3. Clypeus pale oc ruou3 benshawi 



Qjyy e n 1 black , 



C. atriceps Braes 



Thorax reddish; head and abdomen black; ma -'es 4-0 

 tate; mctathota* coarsely reticulate die tar I gbter; 



wings with two fuscous bands. Length 3 " - 5 mm. 

 '-C. grandis Brues. 



Black; the legs in part yellow ffore and mid aH 



tarsi;; mandibles 4-4entate; mefafhorax fine. wings 



with two fuscous bands. Length 7 r 

 'C. henshawi Ashmead. 



Black ; antennae, legs, and clypeus pale rufous ; mandibles 4- 

 dentate; metathorax coarsely rugc irmgi '. v , riscous 

 bands. Length 4.5-5 "jn. 

 'C. canadensis Ash mead. 



r/.i-:< :r.e rr.ar. -Miles ar.'f pa'.o: : - " '"''- 



pincers : the anterior tarsi very smalL Length 2.5 mm. 



Aphelopus Dalman 



A. a ericar.us ~ :ii 



Black; legs honey-yellow. Length 1.5 rcr 

 aterbury, 29 July, 1884- 



