PARASITIC HYMKNOHTKRA. 179 



DENCRII>TION»i OF IVEW FARASITK; HYIflENOFTERA. 



BY WILLIAM H. ASHMEAD. 

 (Paper No. 2.) 



Fuiuily SArYCJID.E. 



SAPYGA Latreille. 



^npyga peloptei sp. n. 



%. — Lenjrth 8 nun. Black, confluently puin'tate, pubescent; a stripe behind 

 eyes, space between base of antennse, the lower part of the eniarpination of the 

 eyes, clypeus, spot on each niaiulible, iabruni, palpi, antenna' beneath, a s|tot on 

 each anterior anjile of pronotum, femora beneath and three tips, all tibine and 

 tai'si, four small spots on first dorsal abdominal sejinient, two larger ones on the 

 second, two very large confluent s])ots on third and fourth, two large spots but 

 widely separated on the fifth, two still snuiller spots on sixth and a large one at 

 base of seventh segment, lemon-yelh)W ; some yellow spots varying in size are 

 also present along the sides of the venter. Wings hyaline, the .stigma and veins 

 dark lirown ; submarginal cells four, the first and fourth about equal, the second 

 and third much shorter, the tliird slightly longer than the second. 



Hab. — Toronto, C'linada. 



Described from a single specimen, bred by Mr. W. A. Williams, 

 from the cells of Pelopceus cementariuH. Evidently allied to S. 

 martini Smith. 



Family >[UTILLID.E. 



The tribes and genera of oui- INIutillidie may be recognized fnmi 

 the following tables : 



T^S^BXjE OIF' TI^IBES- 



Ocelli present in both sexes. 



Cubitus in hind wings originating from the apex of submedian cell or close to 



it ; marginal cell of front wings long Tribe I. Myrmosini- 



Ocelli present only in males, absent in females. 

 Ocelli small or moderate, rarely large. 



Cubitus in hind wings originating far anterior to the apex of the submedian 

 cell : marginal cell of front wings short; thorax in 9 entire. 

 _. Tribe IL MutiUini. 



Ocelli very large. 



Cubitus in hind wings originating from the apex of the submedian cell or in- 

 terstitial with the transverse median uervure; thorax in 9 divided 

 into two parts Tribe III. Oi/photini. 



