-76- ;.. 
Utah. G. F. Knowlton (March 21): Austrian pine on the Utah St^te Agri- , 
cultural College campus at Logan has "been heavily infested. 
poplar " 
CALIFORNIA TENT CATERPILLAR ( Malacosoma califomi ca Pack. ) 
Arizona. C. D. Lebert (March 25): A few colonies were observed on cotton- 
wood trees in the northeastern Phoenix area. 
WILLOW 
CARPENTER WORM ( Prionoxystus robiniae Peck) 
North Dakota. J. A. Munro (March 21): These pests caused severe injury . 
to a planting of willows at Mott, in Hettinger County. Th.ey were 
also reported on American elm at Park River, Walsh County. 
INSECTS AFFECTING GREENHOUSE 
AND ORNAMENTAL PLANTS 
CABBAGE LOOPER ( Autographa brassicae Riley) 
Louisiana. C. E. Smith (March 26) j Snapdragons and calendulas growing 
under glass at Baton Rouge were severely injured during February and 
March. 
A WHITEFLY (Aleyrodidae) 
Virginia. H. G. Walker and L. D. Anderson (March 25): Whiteflies are re- 
ported as very abundant on gardenias in Norfolk. 
OYSTERSHELL SCALE ( Lepidosaphes ulni L. ) 
New York. R. S. Horsey (March 21): A small amount of this scale was dis- 
covered on two vines of Viti s longi in an ornamental planting in 
Rochester. An examination under the microscope showed that the eggs 
came through the winter uninjured. 
COTTONY- CUSHION SCALE (Jcerya purchasi Mask.) 
Arizona. C. D. Lebert (March 25):- On March 15 severe infestations were 
reported on ornamentals at Patagonia, Nogales, and Phoenix. Scattered 
light infestations on citrus appeared in the Phoenix area. 
