252 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Type : Xanthosomoides fulvipes Girault. Orig. desig. 



Taxonomy: Milliron, 1949. Amer. Midland Nat. 41: 263. 



Biology: Lessmann, 1962. Ztschr. f. Angew. Ent. 49: 363-371 (imm. 



stages).— Lessmann, 1962. Ztschr. f. Angew. Ent. 50: 233-241 



(host plants). 



aculeatus aculeatus (Swederus). 111. 



Taxonomy and Biology: Balduf, 1957. Ent. Soc. Amer. Ann. 50: 



479-483.— Balduf, 1959. 111. Biol. Monog. 26, pp. 124-130. 

 Nomenclature: Peck, 1963, loc. cit. supra, p. 578 (var.). 



aculeatus nigroflavus Hoflfmeyer. N. J., and Pa. south to Va., west to 111.; 

 Japan, Russia. 

 Nomenclature: Peck, 1963, loc. cit. supra, p. 579 (var.). 

 Biology: Balduf, 1959, loc. cit. supra, pp. 124-126. 



albifrons Walker. 



Biology: Keen, 1958, loc. cit. supra, pp. 102-105. 



americanus Milliron. Cited as slossonae Crosby in Catalog in error; latter is 

 a ywmen nudum, not validated through citation in synonymy. See 

 Art. ll,d of Int. Code Zool. Nomencl. 



brevicaudis Ratzeburg, corrected spelling of brevicauda of Catalog. 



lasiocarpae Crosby. Alta., B. C, Wash. Delete Conn, from distb. 

 Biology: Keen, 1958, loc. cit. supra, p. 105. 



milleri Milliron. 



Biology: Keen, 1958, loc. cit. supra, p. 106. 



nigrovariegatus Ashmead. 



Biology and Taxonomy: Balduf, 1957, loc. cit. supra, pp. 478-483. — Bal- 

 duf, 1959, loc. cit. supra, pp. 130-145. 



picea montana Milliron. 



Biology: Keen, 1958, loc. cit. siipra, p. 106 (var.). 



picea picea Rohwer. 



Nomenclature: Peck, 1963, loc. cit. supra, p. 584 (var.). 

 Biology: Keen, 1958, loc. cit. supra, p. 106. 



pinus pinus Parfitt. 



Nomenclature: Peck, 1963, loc. cit. supra, p. 585 (var.). 



Biology: Hussey and Klingler, 1954. Ent. Mo. Mag. 90: 198-201 {pinus 

 Parfitt and var. crosbyi HofFmeyer). — Keen, 1958, loc. cit. supra, 

 pp. 106-108.— Hussey, 1959. Ent. Mo. Mag. 95: 237. 



pinus marginatus Hoffmeyer. 



Nomenclature: Peck, 1963, loc. cit. supra, p. 586 (var.). 



rafni Hoffmeyer. 



Biology: Keen, 1958, loc. cit. supra, pp. 108-110. 



slossonae Crosby. Nomen nudum; see americanus Milliron. 



specularis Walley. 



Biology: Hedlin, 1957 (1956). Canad. Ent. 88: 691-697. 



spermotrophus nigrodorsatus Milliron. 



Biology: Keen, 1958, loc. cit. supra, p. Ill (var.). 



spemiotrophus spermotrophus Wachtl. 



Nomenclature: Peck, 1963, loc. cit. supra, p. 587 (var.). 

 Biology: Hussey, 1955. Roy. Ent. Soc. London Trans. 106: 133-151. — 

 Hedlin, 1958. Ent. Soc. B. C. Proc. 55: 37.— Keen, 1958, loc. cit. 

 su2)ra, pp. 110-111. — Hussey, 1959. Ent. Mo. Mag. 95: 237. 



tsugae heterophyllae Milliron. 



Biology: Keen, 1958, loc. cit. supra, p. Ill (var.). 



tsugae tsugae Crosby. 



Nomenclature: Peck, 1963, loc. cit. supra, p. 588 (var.). 

 Biology: Keen, 1958, loc. cit. supra, p. 111. 



