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RED SPIDERS (T ctranychus spp.) 
Utah. G. F. Knowlton, ct al. (July 19): Corn severely damaged at North Logan. 
(July 27): Injury to corn is severe in some cornfields a.t Moab. 
ALFALFA 
ALFALFA WEEVIL ( Hypera postica Gy 11.) 
Wyoming. J. C. Hamlin (July 3)1 Larvae and adults collected in the Saratoga nr 
Encampment areas of Carbon County on June 29. (Let. by W. H. Anderson and 
L. L. Buchanan.) 
Utah. C. J. Sorenson (July 22): Less damage caused to alfalfa generally than 
in 1939 in Elder, Cache, Juab, and Millard Counties. 
California. A. E. Michelbacher (July 23): On July 22 in the northwestern part 
of the San Joaquin Valley the number of larva,e collected per 100 sweeps 
of the net for the different fields ranged from 4 to 23, and the number of 
adults from 0 to l4. In the alfalfa field adjacent to the San Francisco 
Bay the larval count ranged from 0 to 47, and the adult count from 0 to 2. 
Pa.rasitiza.tion by Bathyplectos curculionis Thoms., based on rearing from 
last-stage larvae collected in the field on July 9> was slightly more than • 
percent for the San Francisco Bay region, and 0 for the San Joaquin Valley. 
STRIFE!) FLEA BEETLE ( Phyllotreta vittata F. ) 
Colorado. G. M, List (July 23): Quite numerous on alfalfa this spring and 
summer. Noticeable injury to the hay crop in some instances, and seed pro- 
duction reduced by the clipping of flowers. 
CLOVER ROOT CURCULIO ( Si tone, hispidula F.) 
Oregon, R. L. Post (June 27): Collected today from an alfalfa field near 
Dundee, Yamhill County. (Dot. by L, P. Rockwood. ) 
ALFALFA CATERPILLAR ( Celias Ourythome Bdv. ) 
California. A. E. Michelbacher (July 23): Larval population high in some field* 
in the northwestern part of the San Joaquin Valley, As many as 2,100 
larvae collected per 100' sweeps of the net. In a number of fields the coun; 
neared 1,000. 
PLANT BUGS (Hemiptera) 
Florida. J. R. Wo.tson (July 22): Cowpoas severely damaged by plant bugs, in- 
cluding Piezodorus guildinii Westw., Catorhintha gut tula F. , Nezara viri- 
dula L. , and Leptoglossus phyllopus L. 
Colorado. G, M. List (July 23): Many plantings of alfalfa show a distorted 
growth, owing to feeding. Seed production seriously interfered with in 
northern Colorado. 
