CIRCULAR No. 237 ISSUED JUNE 1932 



REVISED JULY 1936 



UNITED STATES DEPARTMENT OF AGRICULTURE 



WASHINGTON, D. C. 



Rev»ed« 

 follows 



CONTROL OF THE JAPANESE BEETLE ON 

 FRUIT AND SHADE TREES ' 



V. Merger, ras&ffciate entomologist, 

 Bureau of liJnTbmofog^' mid 



By W. E. Fxeming, entomologist, and F. 

 Division of Fruit Insect Investigations 

 Quarantine 



CONTEN 

 Page i- 



Infested area and trees attacked 



Nature of the injury 



How to protect the trees from injury. 

 Recommendations for different trees. 



Apples 



Peaches 



s U. S. Department of Agrioaltare 



Plant 



Pa ;e 



Recommendations for different trees— Con. 

 Plums. 



Cherries 



aiauyt, i 



Small fruits. 

 Shade trees-. 



INFESTED AREA AND TREES ATTACKED 



The Japanese beetle is a serious pest of fruit and shade trees in 

 the eastern part of the United States. It has spread rapidly since 

 its first discovery in this coun- 

 try in 1916, and now the area 

 comprising southern and cen- 

 tral New Jersey, eastern Penn- 

 sylvania, and northern Dela- 

 ware is generally infested. 

 Outside this area local colonies 

 and isolated beetles have been 

 found in New England and in 

 other Eastern States as far 

 south as South Carolina, and 

 as far west as Missouri. 



This brilliant green beetle 

 with reddish-brown wing cov- 

 ers and white spots on its abdo- 

 men (fig. 1) feeds on a large 

 number of plants. It has a 

 marked preference for the foli- 

 age and fruit of apple, peach, 

 plum, quince, cherry, raspberry, 

 and blueberry, and the foliage 

 of grapes. It rarely injures 

 dewberries or the Black Diamond variety of blackberries, but occa- 

 sionally attacks certain other varieties of blackberries. Pears are 



/This circular is a complete revision of Circular 237 as originally issued and supersedes 

 Circular • ol<, Protection of Orchard and Shade Trees and Ornamental Shrubs from Injury 

 oy tne Japanese Beetle. The control of the Japanese beetle on ornamental shrubs is now 

 treated in Circular 401, Control of the Japanese Beetle and Its Grub in Home Yards, 

 utner available publications relating to the Japanese beetle are as follows : Circular 332, 

 - T o^i ; n ? orm ation about the Japanese Beetle in the United States ; Circular 403, Pre- 

 t^ 1 g A njury f rom Japanese and Asiatic Beetle Larvae to Turf in Parks and Other 

 aSd How^o Us? Them ° US rubHcation 201 ' revised, Traps for the Japanese Beetle 



68515°— 36 1 



Figure 1. 



-The Japanese beetle, 

 times natural size. 



About four 



