~ 23- 
wit h that of the bluestem region. 
Oklahoma. R. G, Dahms (March 24) t Winter mortality in southwestern Okla- 
homa was less than 2 percent in bunchgrass and about 6 percent in sor- 
ghum stubble. Many bugs left winter quarters on March 15 and some 
eggs were being laid 1 week later. 
HESSIAN FLY ( Phytophaga destructor Say) 
Kansas. H. R. Bryson (March 24): Planted wheat and volunteer in the east- 
ern third of Kansas are heavily infested. Serious injury has already 
resulted in some localities and greater damage expected than for several 
years. 
ALFALFA 
ALFALFA WEEVIL ( Hyp era postica Gyll.) 
Nevada. G. M. Shogren (March 30): Cold unsettled weather caused adults to 
remain inactive and is responsible for withholding of egg hatches. 
California. A. E. Michelbacher (March 23): On March 18 in the northwestern 
part of the San Joaquin Valley the maximum number of larvae per 100 
sweeps of the insect net was 268, a great reduction as compared with 
last year. On March 14, 1941 » as many as 2,734 larvae were collected 
per 100 sweeps. 
SPOTTED CUCUMBER BEETLE ( Diabrotica duodecimpunctata F.) 
Virginia. H. G. Walker and L. D. Anderson (March 26): Actively feeding in 
alfalfa fields near Norfolk. 
PEA APHID ( Macrosiphum pi si Kltb..) 
Virginia. H. G. Walker and L. D. Anderson (March 26): Present but rather 
scarce in alfalfa in Princess Anne County near Norfolk. 
Oregon. G. Ferguson (March 25): Counts in Willamette Valley the first week 
of March indicated overwintering in small numbers on fall-planted vetch. 
Weekly counts indicated a- small population increase during the month. 
TARNISHED PLANT BUG ( Lygus pratensis oblineatus Say) 
Virginia. H. G. Yifalker and L* D. Anderson (March 26): Caught a number today 
while sweeping for pea aphids near Norfolk. 
ALFALFA CATERPILLAR ( Colias eurytheme Bdv.) 
California. A. E. Michelbacher (March 18): Very scarce in northwestern 
part of San Joaquin Valley. Only 2 larvae taken in the 13 fields sur- 
veyed; 1 larva parasitized by Apanteles . 
FRUIT INSECTS 
FLAT HEADED APPLE TREE BORER ( Chrysobothris femorata Oliv.) 
Rhode Island. B. Eddy (March 24): Present in considerable numbers in old 
apple orchard at Cranston on March 6. 
