INSECTS ATTACKING GREENHOUSE 
AND ORNAMENTAL PLANTS 
MISCELLANEOUS FEEDERS 
GREEHHOUSE SOWBUG ( Porcellio rathkei Brandt ) 
Ohi° H, A. Gossard (August 20): The greenhouse sowbug was received 
from Antwerp August 10, where it was said to be severly attacking 
greenhouse plants. 
COMMON RED SPIDER ( Tetranychus telarius L. ) 
Indiana H. F. Dietz (July IS): Red spider is becoming a very serious pest 
on gladiolus, various kinds of beans, and various ornamental shrubs, 
Texas F, c* Bishopp (July 27) : The common red spider became very abund- 
ant on various types of vegetation during the latter part of June 
and increased in numbers through July. Late string beans were 
damaged considerably by it. It was also abundant on ornamental 
vines and violets. 
A GALL MlTE ( Eriophyes eucri^otes Nalepa) 
New York M. D. Leonard (July 18): This mite is causing galls on leaves of 
matrimony vine on the Cornell University Campus. Specimens were 
collected by Stewart H, Bunaham, Associate Curator, Department of 
Botany, Cornell. 
NEGRO BUG ( Corimelaena oulicaria Germ. ) 
Nebraska M. H. Swenk (August l): In flower gardens the negro bug was quite 
injurious to cosmos, calliopsis, and other related flowers in 
Lancaster and Gage Counties, 
A SPITTLE INSECT ( Philaenus lencophthalmus L. ) 
New York A. L. Pierstorff (August ll): This species is common on practically 
all young trees and shrubs in a nursery at Honeoye Falls. 
COLUMBINE 
A CURCULIO ( Conotrachelus anaglypticus Say) 
Ohio H. A. Gossard (August 20): This insect was received from Seville 
August 7 1 where the larvae were reported to be destructive to the 
stems and roots of cultivated columbine. 
DAHLIA 
A SCARABAEID BEETLE (Serica parallela Casey) 
New Y rk C. R. C r osby (July 23): -At New Rochelle this insect was seriously 
injuring dahlias in gardens. 
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