249 
Utah* G, F« Knowlton (June 22): Pea sphids are causing some injury- to 
field peas in Box Elder County. 
CABBAGE 
CABBAGE MAGGOT ( Hylenffla brassicae Bouche') 
New York. N. Y. State Coll, Agr. News Letter (June): The cabbage maggot 
has occasioned severe damage in Niagara, Wayne, and Ontario Counties* 
North Carolina, C. H, Brannon (June 20): The cabbage maggot is causing 
tremendous damage in the mountain cabbage sections, and is especially 
destructive to commercial plantings of cabbage in Avery, Macon, and Jack- 
son Counties, • - - - 
"Wisconsin, E. L, Chambers (June. 20): Cabbage maggots have seriously in- 
jured cabbage and radishes, and some truck growers complain they have 
lost their crops despite repeated treatments, 
CABBAGE APHID ( Brevicoryne brassicae L. ) 
Indiana, J, J. Davis (June 25): Cabbage. aphid has been abundant during 
the month on cabbage at Crawfordsville, Marengo, and elsewhere in the 
State, 
North Dakota, J, A, Munro (June 18): The cabbage aphid. is abundant in 
Fargo and vicinity, 
HARLEQUIN BUG ( Murgantia histrionica Hahn) ZJ 
Virginia, H, G, Walker (June 25): The harlequin bug, although present, 
has been very scarce this spring at Norfolk, 
•DIAMOND-BACK MOTH ( Plutella maculipennis Curt,) 
Virginia, H, G, Walker (June 25): Larvae of the diamond-back moth are be- 
ginning to appear in moderate numbers in some fields of cabbage at Norfolk, 
Ohio, B, J, Landis (June 24): First diamond-back moth observed in field 
June 5 at Columbus, 
Colorado, G, M, List (June 22): The larvae of the diamond-back moth are 
very numerous in the western part of Colorado, In the Grand Junction 
area they have developed in large numbers on whitetop, or perennial pep« 
pergrass, a noxious weed in that region. Cabbage is being rather severe- 
ly injured in some localities. 
2/ In the note on M, histrionica by B. J, Landis and H. C, Mason, on 
page 143 of the last number of the Insect Pest Survey Bulletin, the place of 
observation was South Point, Ohio, not Columbus, 
LIBRARY 
STATE PLANT BOARD 
