TRUCK-CROP INSECTS 
POTATO AND TOMATO 
Wisconsin 
Wisconsin 
New York 
Utah 
California 
New York 
Maryland 
COLORADO POTATO BEETLE ( Letting tarsa decemlineata Say) 
S-B.Fracker (September 15)- "This insect is about normally 
abundant throughout the State this year, not being as numerous 
as it was last year*" 
POTATO LEAFHOPPER (Empoasca mali LeB.O 
S.B.Fracker (September 15)- "Early Ohio potatoes began to die 
of hopperbum in the southern counties on July 10- Serious 
damage throughout the State* All unsprayed potatoes are now 
down except Rural New Yorkers and a few late-planted fields 
of other varieties-" 
L-C-Tyler (August 19)* "Leaf hoppers are abundant in the potato 
fields in Genesae^j County and are doing a great deal of damage 
in unsprayed fields-" 
TARNISHED PLANT-BUG ( Lygus nratensis L-) 
I»M*Bawley (September 2)- "This insect is causing the tops 46 
turn brown in many potato fields in Morgan County •" 
POTATO TUBER MOTH ( Phthorimaea ooerculella Zell*) 
R»E»Campbell (September 18)- "Car shipments in Los Angeles 
County started about June 16 and about the 23rd slight 
infestations of about 5 per cent were observed* During July 
the infestation increased to from 20 to 25 per cent in many 
cars* Some fields showed easily 50 per cent of the potatoes 
affected. The total number of cars inspected was 578* Of 
these 213 were found to be infested* The estimated loss was 
between 15 and 20 per cent of the crop* These figures are 
from the peports of Mr* H«H*. Warner, district supervising 
inspector of the State department of agriculture, and Mr* H*J» 
Ryan, horticultural commissioner of Los Angeles County*" 
CABBAGE 
CABBAGE WORM (Ppntia ranae L-) 
M-C»Hammond (August 19)* "This insect has been somewhat more 
abundant this year than usual in Orange County and has caused 
damageuto most of the fields in this section*" 
J*A-Hyslop* "Cabbage worms are more Numerous than they have'f; 
been during the past three years in southern Montgomery 
County •■ 
_ 9/1/1 
