338 NEW YORK STATE MUSEUM 



Urocerus albicornis Fabr. 



White hoi ned Urocerus 



Ord. Hymenoptera: Fam. Uroceridae. 



Fabricius, J. C. Species insectorum. 1781. i : 419-20 (original 

 description, from North America) ; Mantissa insectorum. 1787. i: 258 

 (mention); Entomologia systematica, emendata et aucla. 1793. 2:127 

 (from South America, all as Sirex). 



Fitch, Asa. N. Y. State agricultural society. Transactions. 1857. 

 1S58. 17:731 (briff account) ; the same in Insects of New York. 4th 

 Rep't. 1858. p. 45. 



Harris, T. W. Insects injurious to vegetation, 3d ed. 1862. p. 

 538-39 (brief account). 



Norton, Edward. American entomological society. Transactions. 

 1868. 1869. 2: 360-61 (bibliography, discription). 



Walker, Francis. Canadian entomologist. 1873. 5 : 78 (in 

 Europe and xAmerica, as Sirex). 



Glover, Townsend. Commissioner of agriculture. Rep't. 1877. 

 1878. p. 93, pi. I, fig. 15 (mention). 



Harrington, W. H. Canadian entomologist. 1880. 12:97 



(spinules of wing); 1882. 14: 227 (at Ottawa, Ontario); Royal society 



of Canada. Transactions. Section 4. 1893. p. 138-44, 145, 153 

 (description, distribution); Entomological society of Ontario. 24th 

 Rep't. 1894. p. 49 (mention). 



Cresson, E. T. Synopsis of the hymenoptera of America. 1887. 

 p. 172 (listed). 



Cameron, Peter. Monograph of the British phytophagous hymen- 

 optera. 1890. 3 : 134 (occurs in England). 



Packard, A. S. U. S. Entomological commission. 5th Rep't. 1890. 

 p. 733 (on pine). 



Smith, J. B. Catalogue of the insects of New Jersey. 1890. p. 15 

 (listed). 



MacGillivray, A. D. Canadian entomologist. 1893. 25 : 243 (from 

 Washington). 



Slosson, A. T. Entomological news. 1895. 6:317 (on Mt. 



Washington). 



Lintner, J. A. Country gentleman. 1897. 62: 707 (brief notice). 



Of the interesting but rather limited family of the North American 

 Uroceridae, in which six ^enera are included, about one half of the 

 species are embraced in the genus Urocerus. This genus is one that 

 evidently finds its most favorable conditions in the Canadian provinces, 

 for while the Cresson List of North American Hymenoptera published 10 

 years ago, contains 24 species, Mr W. H. Harrington, writing in 1893, 



