INSECT PEST SURVEY BULLETIN 
Vol. 20 
October 1, 19^0 
No. 8 
THE MOHS IMPORTANT RECORDS FOR SEPTEMBER 
Fall armyworm was reported in destructive abundance late in August and 
early in September in many localities in Mississippi and in southern California, 
late corn heing the principal crop attacked, 
Light-to-mo derate infestations of hessian fly are reported from throughout 
Illinois, southeastern Nebraska, southern Iowa, and west-central Missouri, 
Damage by corn ear worm was generally reported a,s later and less severe 
than usual in the Northern States, 
European corn borer in the Neiir England area was less troublesome than usua 
In eastern New York a hea\'y outbreak occurred in Monroe County. Dama.gc by this 
insect was^also reported from Delaware, Ma^rj/land, and Virginia, a, very severe 
outbreak occurring in Princess Anno County, Va, Light infestations were reported 
from four counties west of the heretofore known infested area in Wisconsin, 
Severe damage by second-brood chinch bugs was reported frorn'Missouri, with 
rather hean^ infestations from central, ea-stern, and southoa,stern Nebraska end 
light infestations in southeastern Iowa. 
Corn leaf aphid is generally more prevalent than for several years in 
Indiana and a few localities in Minnesota and Nebraska, 
A very heavy infesta.tion of ^^alkingsticks was reported from a small area i 
Wisconsin, inhere forest trees and raspberries were practically defoliated, 
Ra,ther hean/j’’ infestations by second— generation codling moths were reported 
from the New England, the South Atlantic, and the East Central Sta.tes, Hea^ 
infestations were reported 'from parts of Nevada and Washington, 
Extensive and ra.ther severe dama.ge by apple maggot was reported from 
southern Nov/ England. 
Comstock's mea,lybug had completed its second— generation oviposition by the 
end of September and early laid eggs of the third generation began hatching about 
August 1 in Albemarle County, Va,. Dama-ge in this county ranged from 5 to 80 per- 
cent. 
Owing to the lack of a. second-brood infestation in peaches by the plum 
curculio in ‘Georgia, the hibernating population vdll be lighter than average in 
tha.t State, 
- 433 - 
