i> 
FOREST AND SHADE-TREE INSECTS 
' CANKERWORMS (Geometridae) 
Illinois. W. P. Flint (February 24): Examinations made during November and tie 
early payt of December 1941 showed numbers of spring canker worm pupae in 
the soil, apparently in good condition. A heavy infestation of the spring 
cankerworm ( Po.loacrita vernata. Peck) is expected throughout the northern 
three-quarters of Illinois. This vrill be the seventh consecutive year of 
cankerworm abundance in several localities* In sections whore the para- 
sites were fairly abundant a few years ago the cankerworms have almost dis- 
appeared, 
Missouri. L. Haseman (March 2): During the early part of February, a few male 
cankerworm moths were observed on wing and a single specimen was found in 
a mouse-feeding station in one of our experimental orchards in central 
Missouri. These insects appear to be on the wane* 
CATALPA 
COMSTOCK’S MEALYBUG ( Pseudococcus comstocki Kuw. ) 
Texas. R. K. Fletcher (February 24): Reported on February 1J from Tarrant 
County. Determination tentative, from description of injury and cotton; r 
masses in crevices in bark, including many eggs. 
MAPLE 
l‘ .. v / 
WALNUT SCALE ( Asnidiotus jugl an s-r e gi ae Const.) 
Nebraska. W. J, Erdman (January 29): A specimen infesting soft maple was sent 
from Omaha with letter of January 26 stating that several large branches 
had been killed. (Det. by H. Morrison.) 
OAK 
GLOOMY SCALE ( Chry somphalus tenebricosus Const.) 
District of Columbia. F. L, Hess (January 26): This scale was attacking a pin 
oak tree in Washington. (Det. by E. N. Cory.) 
PINE 
NANTUCKET PINE-SHOOT MOTH ( Rhyacionia f rus trana Const.) 
Mississippi* C. Lyle (February 23): On December 1 pine twigs in Pike County 
wore found to be injured. 
SPRUCE 
PINE NEEDLE SCALE ( Chionasois pinifoliae Fitch) 
Nebraska. H. D. Tate (February 24): Foliage in Lincoln County was heavily 
inf ested. 
