33H 
spider, probably due to hot dry weather earlier in the month. Injury 
to arborvitae was reported from the southwestern counties and also 
from Carrollton, Maries, and Winona by Plant Board inspectors. 
Louisiana. W. 2. Hinds (August 12): Cotton red spider is increasing in 
abundance in some fields at Baton Rouge. 
Nebraska. M. H. Swenk (August 1 to 15): Severe damage by red spiders con- 
tinued to be reported throughout the entire period, and extended to 
the north and west in the State. Severe damage, especially to elm and 
apple trees, was reported southeast of a line from Platte to Webster 
Counties. Damage to other fru.it and shade trees was also frequently 
reported. The westernmost reports extended to a line from Antelope 
to Redwillow Counties. 
Kansas. H. H. Bryson (August 22): The red spider continued to be the most 
injurious pest during the latter part of July and to date. Garden 
plants, flowers, fruit and shade trees, ornamental vines, and shrubbery 
have been attacked. Many plants either have been killed or have lost 
all of their leaves. Sim trees have suffered most. The infestation 
is known to be general over the State. 
Oklahoma.. C. P. Stiles (August 21 ): Red spiders are generally distributed 
over most of the evergreens in the central part of the State and are 
on a number of the shade trees. American elms on the courthouse square 
at Pairview have been partially defoliated. They seem to be on the in- 
crease throughout the State. 
Washington. E. J. Newcomer (August 13 ): The common red spider has been 
extremely abundant on apples in the Yakima and Wenatchee Valleys. 
California. C. S. Morley, Kern Co. Monthly News Bui. (August 5): The red 
spider mite is proving to be very injurious to shade trees, especially 
to sycamore, umbrella, and balm-of-Gilead. 
CEREAL AND FORAGE-CROP INSECTS 
WHEAT 
HESSIAN FLY ( Phytophaga destructor Say) 
General. The results of a hessian fly survey are published in a supple- 
ment to No. 6 of the Insect Pest Survey Bulletin, 1935* 
Iowa. C. J. Drake (August 23): Hessian flies are increasing in number 
throughout the winter wheat-growing sections of the State. The heaviest 
populations are in the southern and western parts of Iowa. 
BLACK GRAIN- STEM SAWFLY ( Trachelus tabidus Fab.) 
Ohio. J. S. Houser (August 2U): An analysis of the survey records shows 
