- 41 - 
and egg development and no nymphs have been observed, although some eggs 
were deposited in small grains in March. 
APHIDS (Aphiidae) 
Georgia. IV L. Bissell (March 31): Aphids, taken to be Rhopalosiphum pruni- 
foliae (Fitch), were rather thick on a few plants in one place in a field 
of oats, but not observed elsewhere. 
Louisiana. County Agent (March 20): Large field of oats and barley so se- 
verely attacked at Shreveport, Caddo County, that crop was almost a total 
loss before parasites and predators brought the aphids under control. 
HESSIAN FLY ( Phytophaga. destructo r Say) 
Iowa. H. E. Jaques (April): Infestations reported from southwestern Iowa, 
being moderately abundant only in Audubon and Montgomery Counties. 
Missouri. L. Haseman (April 1): Examination of experimental wheat plantings 
in central Missouri indicates one of the lightest infestations in many 
years. More abundant, especially ,in volunteer wheat, in western Missouri 
and in some of the southeastern counties. 
Kansas. H. R, Bryson (April 25): Full-grown larvae of first brood reported 
as found in field at Manhattan today, an early date for appearance. 
THRIP3 ( Thrips sp.) 
Arizona. T. P. Co.ssidy, et al. (March 28): Found in large numbers on barley 
planted in alternate rows in a lettuce field in Pima County; als'o found on 
lettuce but no evidence of damage. 
' CORN 
CORN EARWORM ( Heliothis armigera Hbn. ) 
Texas. C. 0. Gingrass (April 21): Heavy damage to the corn crop near Edin- 
burg, Hidalgo County, noticed throughout the district. 
CORN FLEA BEETLE ( Chaetocnema pulicaria Melsh.) 
Oklahoma. C. F. Stiles (April 27): Observed in damaging numbers in Garvin 
County. 
ALFALFA AND' CLOVER 
• PEA APHID ( Macrosiphum pisi Kltb.) 
Maryland. L. P. Ditman (April): Overwintered forms were multiplying in al- 
falfa fields at Ridgely on April 1. Y/lnged forms present before April 15, 
when winged forms were also found on peas at College Park. 
Georgia. T. L. Bissell (April 23): Scarce on Austrian winter peas at Exper- 
iment, central Georgia today, but this crop was heavily infested at Tifton 
by April 16, 
Mississippi. M. L. Grimes (April 24): Some damage to peas observed in the 
Meridian district. 
