Papers on deciduous fruit insects and insecticides
Spraying experiments against the grape leafhopper in the Lake Erie Valley in 1911
Spraying experiments against the grape leafhopper in the Lake Erie Valley in 1911
Johnson, Fred R.
creator
text
dcu
Washington
Govt. Print. Off.
1912
monographic
eng
iii, 13 p., [3] leaves of plates : ill. ; 23 cm.
by Fred Johnson.
From: U.S. Bureau of Entomology bulletin, no. 116, pt. 1.
Grape leaf-hopper
Spraying
SB823 .A2 no. 116, pt. 1
Bulletin ; no. 116, pt. 1
United States.
Bureau of Entomology.
agr12001176
DLC
921209
20260227110934.0
agr12001176