J 86 W. H. ASHMEAD. 



with pale yellowish, almost white legs, excepting a brown stripe along upper edge 

 of posterior tibise and tarsi ; another has the sides of collar, tegulse, coxae and 

 venter all pale yellowish. The antennal club is enlarged. 



Described from six 9 9 and two % % , bred April, 1886, from an 

 unnamed cecidomyious gall on Baccharla halimifotia. 



13. I?Ie$;aMti$;ina caiisideiiNis n. sp. — %. Length .10 inch. Robust, 

 scaly punctate and of a blue or liluish-green color. The head is large, broader 

 than thorax ; eyes and antennse brown, the latter rather long and slender, pu- 

 bescent. Legs yellowish white, all the femora, excepting at tips, brown or green- 

 ish. The abdomen dull metallic green. The wings are hyaline, the stigmal vein 

 unusully long, extending to the middle of the wing and knobbed. 



Described from one specimen sent me by Mr. \Vm. Brodie, of 

 Toronto, Canada, and reared by him from oak gall Blorhiza forti- 

 cornls Walsh. 



niO.lIOKlIS Walker. 



14. I>ionioi*ii!4 biorliizse n. sp.— 9- Length .10 inch. Ovip. .11 inch. 



Dull, coppcry-greeu, tiiiely wrinkled aiul punctate, with some distinct, larger, 

 coarser punctures. The autennw, excepting the extreme ba.se of scape, are black, 

 and the joints of the tiagellum are very clo.sely united. The abdomen is dark 

 green, with the basal abdominal flap excised in the middle. The legs are green, 

 excepting ti]>s of tibife and tarsi, which are white ; the posterior coxse are very 

 coar.sely punctate, and the fenu)ra have a distinct tooth beneath near apex. The 

 wings are hyaline with brown veins; there is a slight dusky streak beneath 

 stigma. 



Hab. — Toronto, Canada. Described from one specimen bred from 

 gall Biorhiza fortlcornk Walsh, and sent me by Mr. Wm. Brodie. 



OLK^OKTHENUS For.ster. 



15. OligostlieiiiiM Mtij^iiia Fabr. 



Syn. Munodontoiiierns rirldicneus Prov. 



In Petite Faune Entomologique du Canada, vol. ii, p. 569, M. 

 L'Abbe Provancher has redescribed this well-known European spe- 

 cies. It is parasitic on the Bedeguar rose gall lihodile.'i yos(e Linn., 

 a gall now found plentifidly on both continents ; it was probably 

 imported along with its host. Its synonyms are as follows : 



Ichneumon stigma Fabr., Ent. Syst. ii, 1793, p. 188. 



DeploJepis stigma Fabr., Sys. Piez. 1804, p. 152. 



Cinips stigma Fonsc, Ann. Sc. Nat. xxvi, 1852, p. 289. 



Callimome stigma Walk., Ent. Mag. i, 1833, p. 139. 



MoHodontomerns stigma Walk., Ent. Mag. ii, 1835, p. 158. 



Torymus ater Nees, Hym. Ich. aff. Mon. ii, 1834, p. 69. 



Glyphomerus (Oligosthenus) stigma Forst., Hym. Stud, ii, 1856, p. 44. 



Monodontomerus viridseneus Prov., Petite Faun. Ent, du Canada, ii, 1883, p. 569. 



It is the only re])resentative of this genus known to our fauna. 



