o. sibbx. 379 



Hob. North America. 



a-cj. <S • Britain (introduced). J. F. Stephens. 



h-l. c" 2- Britain (introduced). W. E. Shuckard. 



vi, 7i. g. Britain (bred from larch). Sir J. Luhb 



o. 9. . Nova Scotia Lieut. Redman. 



p. 2- \ ■ : indland. J. Milne, Esq. 



q. 2 " Martin's Falls, Albany Ri\ Dr. Barnston. 



Hudson's Bay. 



/•, s. 2- North Aiii^ 



23. Sirex cseruleus. 

 I "i ■ Tram. Anu -i S \ iii. p. -'It 1 B80). 



flWo. We irth Am 



it. 2- Vancouver's 1-1.- Lieut.-Col. Hawkins. 



2 1. Sirex nigricomis. 



Sires □ : i. p. -11 3, n. •'> i 1 7-1 i. 



Sirej ,; p. 115, pi. xxi. tig. (1874), 



I/ul,. North America. 

 <(-</. 2 • rtD Ann 



25. Sirex behrensii. 

 Urocerua behri l Uner. E '. Sloe. viii. p. .'j"> ( 1 : 



//<)>>. California. 



26. Sirex fulvus. 

 Urocerua fulvus, I /'nut*. Amer. Ent. Soc. viii. p. •'»■"> (1880). 



Hab. Western United States ; Mexico. 



a. J. Mi 



27 



Sirex albicornis. 



albicornis, Fabr. Spec. Ins. i. p. 410, u. '.» (1781). 

 :erus albicornis, Harr. i s. p. 391 I - 1 1 



Urocerua albicornis \ var. californicus, Aorf, Trans. Amer. Ent. Sue. 

 ii. p. 360 I 1869). 



Hub. North America. 



