37 



THE APPLE-TWIG BORER. 



Ainplt'iceriifi liicdiidtiliis Say. 

 Foi" ffpnortil iiccomit sec MjuIjiK. FiiniuMs' l^iil. 7<>, U. S. Dopt. 

 A^ric, pp. ll-l:-i, ti<,auv, Is'.ts. 

 Exhibit: Adult and figiiro. 



ROUND-HEADED APPLE-TREE BORER. 



Sdjn'nhi cuiidkla Fab. 



For c^eneral account .see Chittenden, Cir. 82, Div. Ent., U. S. Dept. 

 Agric. , pp. 1-8, 1898. 



Exhibit: Adult and tiu-mc. 



FLAT-HEADED APPLE-TREE BORER. 



( 'liri/sohotlirisfi'iiioratd Fab. 



For general account see Chittenden, Cir. 32, Div. Ent. , IT. S. Dept. 

 Agric, pp. 9-12. 1898. 



Exhibit: Adult and figure. 



FRUIT-TREE BARK BEETLE; SHOT-HOLE BORER. 



Scolytus rugulosus Ratz. 

 For general account see Chittenden, Cir. 29, Div. Ent.,U. S. Dept. 

 Agric, 1898. 



Exhibit: Adult and tigure. 



THE PEAR PSYLLA. 



I'tji/lla pi/ri Linn. 



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

 Expt. Sta., 1892; Marlatt, Cir. 7, Div. Ent, U. 8. Dept. Agric, 1895. 

 Exhibit: Figure. 



THE PEAR BLISTER MITE. 

 Eriophyes pyri Pagenst. 

 For detailed account .sec Slingerland. Bui. ♦Vl, Cornell Univ. Agr. 

 Expt. Sta., pp. 317-828, figures, 1S93. 

 Exhibit: Work and tisrure. 



INSECTS INJURIOUS TO GRAPE. 



For the more important grai)e in.sects see Marlatt. Farmers' Bui. 

 7U, U. S. Dopt. Agric, 1898; Saunders, Insects lujuriou.s to Fruit, 

 2d edition, pp. 227-302, 1900; Bruner, Nebr. Stute Hortic Soc Kept, 

 f. 1895, pp. 69-162, 1896. 



INJIRIX; TUF, KOOTS. 



THE TILE-HORNED PRIONUS. 



I'riiniiis iinlirirornix Linn. 



For general account of Pri^nufi species see Lugger, .^th Rpt. St. 

 Ent. Minn., pp. 110-111. 18!>9. 

 E.\uihit: Adult. 



