REPORT OF THE STATE ENTOMOLOGIST I908 



95 



Blandford. Ent. News, 9:6 



Hopkins. W. Va. Agric. Exp. Sta. Bui. ^6. p. 346, 448, 



Smith. Cat. Ins. N. J. p. 365 



Barbey. Scol. I'Europ. Cent. p. 68, pi. 2, fig. 13; pi. 7, 



Tredl. Nahrungs. Verbreit. Borkenk. 

 [Entomol. Blatter, Nr. i mit 6] 

 Habitat. Europe, Japan, ea.stern United States. 

 Food plant. Pinaceae. 



Europ., II. 



'^ ' DENDROCTONUS Erichson 



1836 Erichson. Wieg. Archiv. i :52 



1864 Eichhoff. Berl. Ent. Zeit. p. 26, 44, 46 



1866 Lacordaire. Ins. Col. 7 1360 



1868 Zimmerman. Am. Ent. Soc. Trans. 2:148, 149 



1869 Chapuis. Syn. Scol. p. 34 



1873 Chapuis. Mem. Soc. Liege, p. 242 



1876 Leconte. Am. Phil. Soc. Proc. 15 1384 



1877 Provancher. Faun. Ent. Can. i :572 

 1881 Eichhoff. Borkenk. p. 125 



1883 Leconte & Horn. Col. N. A. p. 523 



1890 Dietz. Am. Ent. Soc. Trans. 17:27 



1895 Judeich-Nitsche. Forstins. i :44s, 446 



1895 Blandford. Biol. Centr. Am. Col. 4, pt 6, p. 143, 146 



1901 Barbey. Scol. I'Europ. Cent. p. 55 



1906 Felt, N. Y. State Mus. Mem. 8, 2:337 



1890 Dendroctonus. 

 1902 Dendroctonus. 



1902 Dendroctonus. 



1903 Dendroctonus. 



1904 Dendroctonus. 



1904 Dendroctonus. 



1905 Dendroctonus. 

 1905 Dendroctonus. 



1907 Dendroctonus. 



1908 Dendroctonus. 

 Habitat. Arizona. 

 Food plant. P i n u s 



31 approximatus Dietz 



Dietz. Am. Ent. Soc. Trans. 17:28, 31 

 Schwarz. Ent. Soc. Wash. Proc. 5 :32 

 Hopkins. U. S. Dep't Agric. Yearbook, p. 281 

 Can. Ent. 35 :6i 

 U. S. Div. Ent. Bui. 48, p. 44 

 U. S. Dep't Agric. Yearbook, p. 281 

 U. S. Div. Ent. Bui. 56, p. 11 

 Ent. Soc. Wash. Proc. 7 :8i 

 Cockerell. Am. Ent. Soc. Trans. 33:218 

 Ent. Soc. 



Hopkins. 



Hopkins. 



Hopkins. 



Hopkins. 



Hopkins. 



Fall & 



Burke. 



Wash. Proc. 9:115 



ponderosa 



' The recent work on the Kenus Den'lroctonus by Dr A. D. Hopkins, entitled The Genus 

 Dendroctonus. and published by the Bureau of Entomology of the United States Depart- 

 ment of Agriculture, as Technical scries no. 17, part i, has been received too late to be 

 inserted in this list. 



The treatise referred to discusses the structure of these beetles in detail, giving a lonij 

 series of very fine plates. Besides descrihiTic a number of new species and puttiriRthe synon- 

 ymy of the various names rn final shape, many new food nlants are given, and the distri- 

 bution of the various sF>ecies is more exactly defined. Excellent figures of the various 

 species are Riven. 



The foUowinR new species are described from America north of Mexico: barberi Hopk , 

 c o n V e X i f r o n s, Hopk.. arizonicus Honk, jeffrcyi Hopk., pseudotsugae 

 Hopk., e n R e 1 m .1 n n i Hopk., borealis Hopk., murrayana Hopk. 



