228 HYMENOPTERA OF AMERICA NORTH OP MEXICO 



*pompilicola Graham. Newfoundland. Host: Anoplius nigerrimus (Scop.). 

 Tetrastichus pompilicola Graham in Lindroth and Graham, 1960. Opusc. 

 Ent. 25: 94. 9. 



productus Riley. Que., Minn. Host: Janus abbreviatus (Say); delete Phyto- 

 phag a destructor (Say). 



*psyllaephagus Burks. Ariz. Host: Nymph of Trioza collaris Crawford. 



Tetrastichus psyllaephagus Burks, 1963. Biol. Soc. Wash. Proc. 76: 54. 



9 $ . 

 Biology:' Cazier, 1964. Pan-Pacific Ent. 40: 71. 



racemariae Ashmead. Ont. south to Fla., west to Calif. 



Tetrastichus phegus Burks (syn. by Judd, 1963. Canad. Field-Nat. 77: 

 63). 



rapo of Catalog. Syn. of sinope Walker. 



silvaticus Gahan. N. B. south to Conn., west to Wash, and Calif. 



*sinope (Walker). Cosmopolitan. Host: Apanteles glomeratus (L.). 

 Cirrospilus sinope Walker, 1839. Monog. Chalc, v. 1, p. 295. 9. 

 Tetrastichus rapo of Catalog and authors, long, misdet. teste Graham, 

 1961, loc. cit. supra, p. 38. 



strobilus Burks. Host: (?) Barbara coif axiana (Kearf.). 

 Biology : Keen, 1958, loc. cit. supra, pp. 95-96. 



triozae Burks. Hosts: Arytaina minuta Cwfd., Calophya calif ornica Schw., 

 C. nigrella Jens., C. triozomima Schw., Euphalerus vermiculosus 

 Cwfd., Pexopsylla cercocarpi Jens., Trioza albifrons Cwfd., T. 

 b cayyieri. 

 Biology: Jensen, 1957. Higardia 27: 79-80, 86-96. 



Irisulcatus Provancher. 



Taxonomy: Finlayson, 1963. Canad. Ent. 95: 498 (imm. stages). — 

 Burks, 1964, loc. cit. supra, p. 1262 (types). 



lurionum (Hartig). Ont. 



Biology: Clausen, 1956, loc. cit. supra, pp. 130-131. — Juillet, 1959. Can- 

 ad. Ent. 91: 716-718.— Schaffner, 1959, loc. cit. supra, p. 83.— Ad- 

 lung, 1962. Ztschr. Angew. Ent. 50: 456. 



varicomis (Girault). Maine, Mass. Host: Epinotia nanana (Treit.). 

 Biology : Schaffner, 1959, loc. cit. supra, p. 83. 



venustus Gahan. Que., Maine, Minn., Nebr. 



Taxonomy: Butler and Hansen. 1958. Pan-Pacific Ent. 34: 224-226. 



whitman! (Girault). 



Biology: Giese and Benjamin, 1959. For. Sci. 5: 205. 



xanthomelaenae (Rondani). 



Taxonomy; Boucek, 1957. Acta Ent. Mus. Nat. Pragae 31: 117 (galleru- 

 cae Fonsc). — Peck, 1963, loc. cit. supra, pp. 132-133 (gallerucae 

 Fonsc). 



xanthops (Ratzeburg). B. C. Host: Coleophora laricella Hbn. 

 Biology: Schaffner, 1959, loc. cit. supra, p. 83. 



Genus APROSTOCETUS Westwood, pp. 450-451 



canadensis Ashmead. Syn. of daira (Walker). 



*daira (Walker). Que., Ont., Ohio, Nebr.; Europe. 



Cirrospilus daira Walker, 1839. Monog. Chalc, v. 1, p. 330. 9. 

 Aprosiocetus canadensis Ashmead (syn. by Graham, 1961. Ent. Mo. Mag. 



97:47). 



Genus SYNTOMOSPHYRUM Foerster, pp. 451-452 



Tetrastichomyia Girault, 1916, n. syn. Transf. from syn. under Miotropis 



Thomson, p. 454 ; types examined. 

 Taxonomy: Graham, 1961. Ent. Mo. Mag. 97: 36 (Aprostocetus). 



