-lHi- 
SPRUCE 
SPRUCE MITE ( Parate t ro.nych.us unin f ?uis Jacobi) 
Connecticut . W. E. Britton (May 19); Leaves of spruce showed result of 
nite injury last season at Danielson, Hartford, and West Haven. 
Pennsylvania. H. E. Hodgkiss (May 21): Spruce nite is very abundant in 
Franklin County. 
WILLOW 
WILLOW SAWFLY ( Pteronidea ventralis Say) 
Delaware. P. L. Rice (May f) : A heavy infestation of the slug was found on 
a willow tree at Georgetown. 
EUROPEAN WILLOW BEETLE (P lagiodera versicolora Laich.) 
Pennsylvania. R. M. Baker (May 11 ) : Adults and larvae are- abundant on 
willow at Camp Kill. 
A WILL07/ SCALE ( Chionaspis salicis-nigrae Walsh) 
Minnesota. A. G. Ruggles (May 22): C. salicis-ni.grn.o observed in the south- 
western part of the State. 
INSECTS AFFECTING GREENHOUSE 
AND ORNAMENTAL PLANTS 
A SAWFLY (Tenthredinidae) 
Ohio. T. H. Parks (May): Specimens of sawfly larvae were received from 
Versailles with the statement that they were infesting evergreens in that 
vicinity. 
OYSTER-SHELL SCALE ( Lcpidosaphes ulmi L.) 
Indiana. J. J. Davis (May 23): Oyster-shell scale began hatching at Lafayette 
about May 20, nuch earlier than usual. 
Minnesota. A. G. Ruggles (May): Oyster-shell scale is moderately abundant 
in Nicollet, Rice, Murray, Brown, Winona, and Ramsey Counties. 
Utah. G. F. Knowlton (May 1?): Oyster-shell scale is damaging many shade 
and ornamental plants in northern Utah, plants often being killed by 
severe infestations. Serious injury to dogwood and horsechestnut 
were recently observed at Lo«;an. 
