104 UNIVERSITY OF COLORADO STUDIES 



Cresson, E. T. "Synopsis of the Hymenoptera of America North of Mexico." Tran. 



Amer. Ent. Soc, supp. vol., pp. 1-350, 1887. 

 Dalla Torre, C. G. de. Catalogus Hytneiwpterorum, Vol. I, pp. 1-459, 1894. 

 Harrington, W. Hague. " Canadian Uroceridae." Tran. Roy. Soc. Canada, sect. IV, 



pp. 131-153, 1893. 

 Kirby, W. F. "List of Hymenoptera with descriptions and figures of the typical speci- 

 mens in the British Museum." Vol. I, pp. 1-439, p'- 1-16, 1882. 

 Konow, F. W. "Family Lydidae" (27), "Family Siricidae" (28), " Family Tenthre- 



dinidae" (29). Genera Inseclorum, fas. 27, 28, 29, 1905. [A synopsis of the Chala- 



stogastra genera of the world with a list of the species.] 

 MacGillivray, Alexander Dyer. "A study of the wings of the Tenthredinoidea, a 



superfamily of Hymenoptera." Proc. U.S. Nat. Mus., Vol. XXLX, pp. 569-654, 



pi. 21-44, 1906- [Figures of the wings of many genera of sawflies and a table to 



the subfamilies based on venational characters.] 

 Marlatt, C. L. "Revision of the Nematinae of North America." Tech. Ser. 3, Bur. 



Ent. U.S. Dept. Agric, pp. 1-135, 1896. 



. "The pear slug." Cir. zo Bur. Ent. U.S. Dept. Agric, pp. 1-7, 1897. 



Norton, Edward. "Catalogue of the described Tenthredinidae and Uroceridae of 



North America." Tran. Amer. Ent. Soc, Vol. I, pp. 31- , pp. 193- , 1867; Vol. 



II, pp. 211- , pp. 321- , 1869. Bound together and paged separately when it is 



referred to as Norton Cat. 

 Rohwer, S. A. "New Western Tenthredinidae." Jn. New York Ent. Soc, Vol. XVI 



(2), pp. 103-114, 1908. 

 . "Notes on Tenthredinoidea, with descriptions of new species. Paper I." 



Can. Ent., Vol. XL, pp. 175-180, 1908. 

 . "Some new Nematid sawflies from Colorado." Can. Ent., Vol. XL, pp. 45-50, 



. "Notes on Tenthredinoidea, with descriptions of new species. Paper II." 



Can. Ent., Vol. XLI, pp. 9-21, 1909; ibid. Paper III. pp. 88-92, 1909. 

 - — . "The sawfly genus Cryptocampus ( = Euura) in boreal North America." 



Jn. New York Ent. Soc, Vol. XVII, pp. 7-25, 1909. 

 . "Notes on Tenthredinoidea, with descriptions of new species. Paper XI 



(Genera of Pamphiliinae)." Can. Ent., Vol. XLII, pp. 215-220, 1910. 

 . "A Classification of the suborder Chalastogastra of the Hymenoptera." Proc 



Ent. Soc. Wash., Vol. XIII, pp. 215-226, 1911. 

 . "Additions and Corrections to 'The Genotypes of the sawflies and woodwasps, 



or the superfamily Tenthredinoidea.'" Ent. News, Vol. XXII, pp. 218-219, 1911. 

 . "Studies of the sawfly genus Hoplocampa." Tech. ser. 20 Pt. IV, Bur. Ent. 



U.S. Dept. Agric, pp. 139-148, 1911. 



"The genotypes of the sawflies and woodwasps, or the superfamily Ten- 



thredinoidea." Tech. ser. 20, Pt. II, Bur. Ent. U.S. Dept. Agric, pp. 69-109, 1911. 

 [A list of the generic names used on sawflies and the types species of each genus.] 

 Snodgrass, Robert Evans. "The thorax of Hymenoptera." Proc. U.S. Nat. Mus., 

 Vol. XXXIX, pp. 37-91, pi. 1-16, 1910. [Figures of the thorax of many Hymenop- 

 tera, including some sawflies, with names for all of the parts. The nomenclature 

 used by Snodgrass is the one followed in the present paper.] 



