19 



WHITE FLY; MEALY WING. 



Alnjrodex ritri R. Si \\. 



For general articles see Marlatt, Farmers' \\\\\. 172, U. S. Dopt, 

 Agrif., pp. 86-38, 1903; also Ins. Life, v. V, pp. iil9-226, 1893. 

 Exhibit: Adult, work, and Hgure. 



INSECTS INJURIOUS TO APPLE. 



For special treatises on apple insects see Bruner, Trans. Nehr. St. 

 Hort. Soc. f. 1894, pp. 155-223, 1895; Harvey and Munson, Bui. 5(), 

 Maine Agr. Expt. Sta., 1899; Saunders, Insects Injurious to Fruits, 

 2d ed., pp. 13-139, 1900. 



INJURING THE ROOTS. 



THE WOOLLY APPLE APHIS. 



Schizoneura lanigera Hausm. 



For general account see Marlatt, Cir. 20, Div. Ent., U. S. Dept. 

 Agric. , 1897. 



Exhibit: Work, figure, parasite, Ap/idinus maliU&i.', and enemy 

 Scymnus cervical is Muls. 



INJURING THE TRUNK. 



FLAT-HEADED APPLE-TREE BORER. 



( 'hryaohothria femorata Fah. 



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

 Agric, pp. 9-12, 1898. 



Exhibit: Adult, work, and figure. 



ROUND-HEADED APPLE-TREE BORER. 



Sdprrilit rdiiilidii Kali. 



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

 Agric, pp. 1-8, 1898. 



Exhibit: Adult, work, and figure. 



APPLE- WOOD STAINER; PIN-BORER. 



I'lrmri/r/nu imili Filrli. 



(Formerly Mfynarthrum.) 



For general account of this and an allied species, Jf. fth<<ria/uiii, see 

 Hubbard, Bui. 7. n. s.. Div. Ent., V. S. Dopt. Agric. pj). 2H-28, 

 1897. 



Exhibit: Adult and figure. 



