INSECTS INJURIOUS TO PEAR. 



(Many of the iiisocts injiirinjr the jippU; will l><' found attiickin^' the 



pear.) 



THE FRUIT-TREE BARK-BEETLE. 



Scdli/tns riu/iihisiix Rat/,. 



For j^oneral iucount .sec C/hittenden, Cir. 29, Div. Ent. , U. S. 

 Dept. Ajrric, 18US. 



PLxhikit: Adult, woi-k. and tij^'-ui-e. 



PEAR-BLIGHT BEETLE; SHOT-BORER. 



Xj/lefiorns jti/ri Peck. 



(Formerly X. dispar.) 



For general account .see Hubbard, Bui. 7, n. s., Div. Ent., U. S. 

 Dept. Agric, pp. 22-23, 1SJ)7. 



Exhibit: Adult, work, and figure. 



THE PEAR BLISTER MITE. 



Eriophijcx pyri Pagenst. 

 For detailed account .see Slingerland, Bui. 61, Cornell Univ. Agr. 

 Exp. Sta., pp. 817-328, tigs., 1893. 

 Exhibit: Work and tigure. 



THE PEAR PSYLLA. 



/'.si/lhi pi/ri Linn. 



For general accounts see Slingerland, Bid. 44, Cornell Univ. Agr. 

 Sta., 1892;'Marlatt. Cir. 7, Div. Ent., U. S. Dept. Agric, 1895. 

 Exhibit: Adult and figure. 



THE PEAR SLUG. 



Eriocavii)oidi:>< tunacitia Ratz. 



(Formerly Eriocampa cerdsi.) 



For general account .see Marlatt, Cir. 28, Div. Ent., U. S. Dept. 

 Agric, 1897. 



Exhibit: Adult, work, and tigure. 



THE SCURFY BARK-LOUSE. 



Chionaspij* furfnra Fiteti. 



(Food-plants: Apple, cherry, currant, elm, pear, etc. See imder 

 "More important scale in.sects."') 



For bibliography and food plants see Fernald, Cat. Coccida' of 

 World, Bui. 88, Ma.ss. Agr. Coll., pp. 217-219, 1903; Howard, Year- 

 book, U. S. Dept. Agric, 1894, pp. 259-261, Hgs.; Banks, Bui. 34, 

 Div., Ent., U. S. Dept. Agric, p. 14, 1902. 



Exhibit: Infested twig. 



