-30- 
FOREST AND SHADE-TREE 1 -ft SECT. S' ' 
CANKER-WORMS (Geometridae) 
Ohio* N. F. Howard (March): At Columbus wingless females began ascending 
trees on February 28 and .in: a,.few„ days both males and females we re numerous. 
Indiana. J. J, Davis (March 25) 5 Spring cankerworms ( Raleacrita vernata Pecki 
began emerging the middle- of March 'and a heavy infestation throughout 
most of the northern half of the State is anticipated.- : 
Illinois. W. P. Flint (March 24): Cankerworm moths began ascending tree 
trunks on February 3 in central Illinois and large numbers were observed 
early in March. . *■ 
Kansas. H. R. Bryson (March 22): Males abundant at lights today. Became 
active late In January. ; : ' - ’ ' ' / 
Texas. E. W« Laake (March 26): Very abundant in Dallas County. 
W. S. McGregor (March 13) : P. vernata observed in Brazos County today. 
BOXELDER 
BOXELDER : BUG ( Leptocoris trivittatus Say) 
Indiana. J. J. Davis (March 25): Never more abundant, judging from last 
month's numerous inquiries. In some cities boxelder trees are such 
nuisances as to warrant removal. 
Maryland. E. N. Cory (March): Reports of boxelder bug from Baltimore on 
March 3 and 12; from Pocomoke City, ..Salisbury, and Garrison on March 12 j 
from Flyndon on Jfarch 16; and from Berlin on February 24. 
Nebraska. H. D. Tate (March 21) i Reports .of house infestations received 
from Madison and Furnas Counties on March 6 and 14 » respectively. 
Colorado. C. R. Jones (March 25.) V Boxelder bugs reported. 
Utah. G. F. Kncwlton (March 23): Causing household annoyance at Springville 
and Logan.*'- : ; a ' • 
: , ' .* " *- / . ’j y . ?- *; * • ♦ ; •• 
. IKS-ECT S AFFECTING GREENHOUS E 
AND ORNAMEN T.i L PLANTS 
BLACK VINE WEEVIL ( Brachyrhinus sulcatus F.) 
California. E. 0. Essig (March 23): Observed on roots of tuberous begonias 
in Marin County. (Det. by P. C. Ting.) Was misdetermined as B. rugoso- 
striatus Goeze in the March 1, 1942, issue of The Insect Pest Survey Bul- 
letin (v« 22:10). 
GREENHOUSE WHITEFLY ' ( T rial eur odes vaporariorum Westw.) 
Virginia. H. G. Walker and L* D. Anderson (March 26): Rather abundant on 
cantaloups, potatoes, and tomatoes in experimental greenhouse near Norfolk. 
COTTONY-CUSHION SCALE ' ( Icerya purchasi Mask . ) 
• / . : ; \ ‘ : . .. * • : • * ' * • 
Alabama. J. M. Robinson (March 6): Reported bn spirea at 'Enterprise on 
December 3* • ! 
Mississippi. J. P. Kislanko (March 25) : Observed on pittosporum plant in 
Forrest County. " . 
