-49 
FOREST AND SHADE-TREE INSECTS 
CANKERWORMS ( Geonet ridae ) 
Ohio, T. H. Paries (March): Male moths flying .and collected at light on March 
4 and ’* ' ■' '' 
Illinois. W. P. Flint (March 27): A few adults of spring cankerworn, (Pa leacrita 
vernata Pock) observed in February, During the second. half of March, 
particularly during the week of March 19-25, there was a very heavy move- 
ment of moths from winter hibernating quarters up the trees. Heavy flight 
of male moths noted, even in the extreme northern end of the State. 
Missouri. A. C. Burr ill (February 13): Moths, 30 or riore, observed coming to 
night lights at windows in Jefferson City. : ' ' , " . „ 
L. Has enan (March 10 ): First, flight of male moths occurred late in 
February and up to March 10 only occasional specimens observed on warm 
eveninns. A he^vy infestation over a great deal of the State this spring 
is indicated. (March 22): Increasing numbers of male spring cankerworn 
moths on the wing during warm evenings at Columbia since the 'middle of 
March. 
Io” T a. H. E. Jaques (March 22): Spring cankerworn active since about March 10, 
exceedingly on the nights of March 19 and 20. In some places bands on 
trees were so completely covered with females that they were. bridged over, 
necessitating renewal of bands from dav to day. Average number of eggs in 
123 females \«Tns 135 per insect. One elm had 123 females caught in the band. 
» • ‘ ' . S * • , 
Nebraska. M. H. Swenk (March 20) : Male moths of spring cankerworm first noted 
flying abundantly about street lights in Lincoln, Lancaster County, during 
the night of March 13, indicating start of period of activity of, this pest. 
Evident that the general outbreak, which began In 1931 after 11 years of 
practically no trouble and has t steadily increased each year, will continue 
through the coming season. Inquiries as to control began on February 26 , 
coning in from the area in east-central Nebraska where this post was .so 
injurious in 193S. ’ ' , 
Kansas. H. R. Bryson (March 22): Moths quite active at lights during the last 
week. On March 12 many moths " rf ere collected on screens of dwellings. 
Oklahoma. F. A. Fenton (March 24): Moths found very numerous on February 24 and 
by March 29 eggs had hatched .end first-instar larvae were found on apple 
buds at the rate of three or more per bud. 
BORSTNLTAIL MOTH ( Nygmia phaeorrhoaa Doncv. ) 
New Hampshire. E. P. Felt (March 21 )j. Winter nests reported as abundant in 
an orchard in the southern part of Hampton, individual trees havinw from 
50 to more than 200 nests. 
