Papers on deciduous fruit insects and insecticides ... 

 - Washington,  Govt. print. off.,  1909. 
 - viii, 117 p.  illus., XI pl.  23 cm. 
 - U. S. Dept. of agriculture. Bureau of entomology. Bulletin,  no. 68 .
 - United States.  Bureau of Entomology.  Bulletin ;  no. 68. .
<br/><br/> Papers were published separately, 1907-09. 
<br/><br/>Bibliographies interspersed. 
<br/><br/>I. The pear thrips. By Dudley Moulton.--II. The spring canker-worm. By A. L. Quaintance.--III. The trumpet leaf-miner of the apple. By A. L. Quaintance.--IV. The lesser peach-borer. By A. A. Girault.--V. The lesser apple worm. By A. L. Quaintance.--VI. Grape root-worm investigations in 1907. By Fred Johnson.--VII. Demonstration spraying for the codling moth. By A. L. Quaintance [and others]--VIII. The grape-leaf skeletonizer. By P. R. Jones.--IX. The peach-tree bark-beetle. 
<br/><br/><label>LCCN: </label>agr10001735  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fruit--Diseases and pests.
<br/><br/><label>LC Class. No.: </label>SB823  / .A2 no. 68