LEE Ss ReAS Ouse 
PLATES. 
Puate IV. Injury by rose-chafer ( Macrodactylus subspinosus) to fruit on un- 
sprayed grapevine in the vineyard of Mr. C. F. Hirt, at North 
Waist); Pan sa8 Ss a. teres cies a eee a ee en ee ee 
V. The protection afforded by spraying; vine from row epee the 
unsprayed vine shown in Plate IV.. os 
VI. Injury by rose-chafer to fruit on mend grapevine in rhea vine- 
yard of Mr.George Cook, at North Hast, Palsce.. 2-2 ese eee 
VII. Protection afforded by spraying; vine from vineyard of Prospect 
Park Fruit Farms Co., adjoining vineyard of Mr. George Cook, 
North East, Pa 
TEXT FIGURES. 
Fig. 16. Condition of grape blossom-buds at the time the rose-chafer ( Macro- 
dactylus subspinosus) first appears, and when the first poison spray 
should be apes 
Decree - - eee ee ee eee ee ee 
18. The rose- =chater (iaeelacytis cee Adult, larva and details, 
pupa, Work. 52... 2... eo. 2 Leese ee 
19. Injury by the rose-chafer to berries of grape .........--....--------- 
20. Grape cluster showing almost total destruction of berries through 
feedine-of ‘the rose-chalers......-.s2.n5 seen oe eee 
21. Grape cluster from which berriesinjured by the rose-chafer have fallen. 
IV 
Page. 
60 
60 
60 
60 
54 
54 
55 
a 
1B) 
57 
53 
