6 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



tion, or taxonomy. 



In this supplement, some changes, deletions, or additions are 

 made on the authority of the individual who prepared a particular 

 section. These entries include no citation to the literature or to 

 personal communications from some other worker. For instance, 

 in the Symphyta, Genus SIREX Linnaeus, p. 83 of the catalog, 

 the information that areolatus (Cresson) is "Adventive in Eastern 

 States, emerging from lumber" is teste B. D. Burks, although this 

 last phrase does not appear in the text. 



Order HYMENOPTERA 



Taxonomy: Richards, 1956. Hymenoptera, Introduction and Keys to 

 Families. Handbooks Ident. Brit. Ins., Roy. Ent. Soc, London 6, 

 pt. 1, 94 pp., 197 text figs., 11 pis. — Berland, 1958. Atlas des 

 Hymenopteres de France. I, Tenthredes, Parasites, Porte-aiguillon 

 (Bethyloides, pars), 155 pp., 14 pis. II, Porte-aiguillon (Bethyl- 

 oides (fin), Scolioides, Formicoides, Pompiloides, Vespoides, 

 Sphecoides, Apoides), 184 pp., 14 pis. Editions N. Boubee & Cie. — 

 Kerrich, 1960. Soc. Brit. Ent. Trans. 14: 1-18 (review systematics 



Biology: Fulmek, 1957. Naturhist. Mus. Wien Ann. 61: 110-227 (aphid 

 parasites and predators). — Michener, 1961. Roy. Ent. Soc, London 

 Symp. 1: 43-56 (aspects of social polymorphism). — Krombein, 

 1962. Ent. Soc. Wash. Proc. 64: 11-19 (parasitism of several 

 wasps and bees by acarid mites). — Flanders, 1962. Canad. Ent. 

 94: 1133-1147 (host-parasite interactions). — Evans, 1963. Wasp 

 Farm, 178 pp., 25 figs, (popular account of the biology of some 

 wasps). 



Morphology: Short, 1959. Roy. Ent. Soc, London Trans. Ill: 175-203, 

 11 figs, (abdominal musculature). — Daly, 1963. Ent. Soc Amer. 

 Ann. 56: 295-306 (thoracic musculature). 



Evolution: Lanham, 1951. Ent. Soc. Amer. Ann. (wing venation of 

 Clistogastra). — Brandley, 1958 (1956). Tenth Internatl. Congr. 

 Ent. Proc 1: 265-269.— Evans, 1958 (1956). Tenth Internatl. 

 Congr. Ent. Proc. 2: 449-457 (social life in wasps). — Evans, 1962. 

 Evolution 16: 468-483 (prey-carrying in wasps). 



Suborder SYMPHYTA 



Superfamily MEGALODONTOIDEA 

 Family XYELIDAE 



Genus XYELA Dalman, pp. 5—6 



*Xyelatana Benson, 1938. Roy. Ent. Soc, London, Proc, Ser. B, 7: 35. 

 (Syn. by Burdick, 1961, loc. cit. infra, p. 322.) 

 Tvpe: Xyela longula Dalman. Orig. desig. 

 Revision: Burdick, 1961. Calif. Univ. Pubs., Ent. 17: 285-353. 



alberta (Curran). Mont., Wyo. Host: Pinus contorta. 



alni Rohwer. Syn. of minor Norton. 



*alpigena (Strobl). Que., Ont., N. Y., Md., 111., Colo.; Europe. Host: Pinus 



sfvouiis 

 Pinicola alpigena Strobl, 1895. Wien. Ent. Zeit, 14: 277. 9, $. 

 Xyela brunneiceps Rohwer, 1913 (syn. by Benson, 1962. Brit. Mus. (Nat. 



Hist.) Bui. Ent. 12: 385). 



