[haeeington] CANADIAN PROCTOTRYPID^ 189 



SCELIO OPACUS. 



Acerota opaca, Provancher, Add. et. Corr., p. 18-1, Ç. 

 Scelio opacus (Prov.), Ashmead, Monog. N. A. Proc, p. 245. 



Type 9 in Coll. Provancher, from Cap Eouge, Que. Three <? c^ taken 

 in August, Hull and Ottawa. 



Subfamily VI.— PLATYGASTBEINTB. 



Tribe I. — Inostemmini. 

 Metaclisis erythropus. 



Metarlisis erythropus, Ashmead, Can. Ent., xx, p. 51 ; IMonog. N.A. Proc, p. 252. 

 Type 9 in Coll. Ashmead, from Ottawa. 



IsOSTASirS MUSCULUS. 



Isostasius musculus, Ashmead, Can. Ent., xix, p. 126 ; Monog. N. A. Proc, 

 p. 255, pi. xi, fig. 5, 9 • 



One 9, 27th August, 1898, Ottawa. 



? Isostasius arietixus. 



Isostasius arietinus, Provancher, Add. et Corr. , ]d. 183, 9 • 



Bxoneura arietina, Provancher, ibid., p. 403. 



Isostasius arietinus (Prov.), Ashmead, Monog. N. A. Proc, p. 255. 



Type 9 in Coll. Provancher, from Cape Rouge, Que. Evidently this 

 insect is a Ceraphronid, and the description answers very well to Ms'jas- 

 pilus Harringtom, Ashm. 



Tribe II. — Platygasterini. 



Ajxblyaspis petiolatus. 



Amhlijaspis petiolatus, Ashmead, Monog. N. A. Proc, p. 2()8. 



Numerous 9 and $ specimens apparently belonging to this species, 

 from Hull and Ottawa, August and September. There is considei-ablc 

 variation in specimens, and possibly they represent more than one species. 



Leptacis striatifrons. ? 



Leptacis striatifrons, Ashmead, Monog. N. A. Proc, p. 273. 



One $ , taken on old racecourse, OttaAva, 1st August, is doubtfully 

 referred to this species. 



Leitacis brevivextris. 



Leptacis hrevlventris, Ashmead, Monog. N. A. Proc, p. 273. 

 Four 9 9, three <? S from Ottawa, August. 

 Sec. IV., 1899. 12. 



