824 Hymenoptera in America North of Mexico 



T-richoglenes Ashmead, 1896. Amer. Ent. Soc, Trans. 23: 225. Emend. 



Taxonomy: Graham, 1969. Brit. Mus. (Nat. Hist.). Ent., Bui Sup. 16: 782-783 (identity of 

 complanatus Ratzeburg questionable; application to Internatl. Comn. may be necessary). 

 occidentalis (Ashmead). Conn., Wis., Minn., Man., Sask., Alta., B. C, Wash., Oreg. Host: 



Chrysops sp., C. aestuayis Wulp, C. excitans Walk., C.frigidus 0. S., C.furcatus Walk., 

 C. ynifus 0. S., C. nigripes Zett, Hyhomitra affinis (Kby.), H. frontalis (Walk.), Tabanus 

 sp. 

 Trichoglenes occidentalis Ashmead, 1896. Amer. Ent. Soc, Trans. 23: 225. 9. 



Biology: Philip, 1931. Minn. Agr. Expt. Sta., Tech. Bui. 80: 68. —Miller, 1951 Canad. Jour. 

 Zool. 29: 261. -James, 1952. Ent. Soc. Ont., Ann. 82: 70-74. —James, 1964 (1963). Canad. 

 Ent. 95: 1229-1231 (life hist.). 



Genus TOMICOBIA Ashmead 



Tomicobia Ashmead, 1899. Ent. Soc. Wash., Proc. 4: 203. No species. 



Type-species: Tomicobia tibialis Ashmead. Desig. by Ashmead, 1904. 

 Ipocoelius Ruschka, 1924. Ent. Tidskr. 45: 6. 



Type-species: Ipocoelius seitneri Ruschka. Orig. desig. 



The adults of these parasites emerge from the adults of their scolytid hosts. 



Revision: Hedqvist, 1959. Opusc. Ent. 24: 177-184. —Graham, 1969. Brit. Mus. (Nat. Hist.) 

 Ent., Bui. Sup. 16: 784-787. 



Taxonomy: Gahan, 1938. Ent. Soc. Wash., Proc. 40: 221-222 (syn.). 



peratripes (Girault). N. C. 



Nasonia peratripes Girault, 1917. Descr. Hym. Chalcidoid. Variorum cum Observ. Ill, p. 1. 



9. 



Taxonomy: Hedqvist, 1959. Opusc. Ent. 24: 184. —Whiting, 1967. Quart. Rev. Biol. 42: 336. 

 tibialis Ashmead. Maine, s. to N. C, w. to Idaho and Calif. Host: Ips sp., /. calligraphus 

 (Germ.), /. confusus (Lee), /. grandicollis (Eich.), /. oregoni (Eich.), /. pini (Say), 

 Orthotomicus caelatus (Eich.), Pityophthorus sp. 

 Tomicobia tibialis Ashmead, 1904. Carnegie Mus., Mem. 1: 283. 9. 



Biology: Hopkins, 1914 (1913). Ent. Soc. Wash., Proc. 15: 160. — Reid, 1957. Canad. Ent. 89: 

 7-8. — Ruckes, 1963. Pan-Pacific Ent. 39: 45. — Bedard, 1965. Boyce Thompson Inst. Plant 

 Res., Contrib. 23: 77-81. —Rice, 1969. Boyce Thompson Inst. Plant Res., Contrib. 24: 

 189-194. -Rice, 1971. Pan-Pacific Ent. 47: 1-8 (flight). 



Genus ARTHROLYTUS Thomson 



Pteromalus subg. Arthrolytus Thomson, 1878. Hym. Scand., v. 5, pp. 147, 158. 

 Type-species: Arthrolytus punctatus Thomson. Desig. by Ashmead, 1904. 



Taxonomy: Burks, 1969. Ent. Soc. Wash., Proc. 71: 298-300. 

 fasciatus (Provancher). Que., N. H., Mass., Pa. 



Seviiotellus fasciatus Provancher, 1881. Nat. Canad. 12: 294. 9, 6. 



Taxonomy: Burks, 1964 (1963). Canad. Ent. 95: 1261-1262. 

 muesebecki Burks. Calif. Ecology: Emerges from galls of Andricus brunneus Fullaway on 



leaves of Quercus douglasii and Callirhytis quercusagrifoliae (Bassett) on leaf axils of 

 several species of Quercus. 

 Arthrolytus muesebecki Burks, 1969. Ent. Soc. Wash., Proc. 71: 302. 9, 6. 



Genus CYCLOGASTRELLA Bukovskij 



Cyclogastrella Bukovskij, 1938. Ent. Obozr. 27: 153. 



Type-species: Cyclogastrella quercina Bukovskij. Monotypic. 



Taxonomy: Graham, 1969. Brit. Mus. (Nat. Hist.) Ent., Bui. Sup. 16: 796-797 



{Pseudomicromelus Gahan and Pagan, name formerly used for this genus in the Holarctic 

 region, is generically different and is Australian). 



