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A WEEVIL ( pissodes aoproximatus Hopk. ) 
P enhsyl van ia 
Pennsylvania 
J. N. Knull (April 20): Pirst adults were observed on 
white pine at Caledonia on this date. (May 12):Living 
white pines at Heading affected by the 1930 drought are 
infested at nodes with this insect. Undoubtedly the 
insect contributed largely to the death of nurrerous trees 
in the plantations. Larvae overwintering in trunks. 
PALES WEEVIL (Hylobius pales Boh. ) 
J. IT. Knull (May 29 )• Pirst adults ^ere observed on iT hite 
pine on April 20. The 1930 feeding is shoving up on the 
branches of white pine at this season of the year. 
; '...' ' . Branches with very slight feeding have 
turned V . «m and stand out against the green background. 
ELEGANT PINE WEEVIL ( Scythropus elegans Coup or) 
Pennsylvania J. II. Knull (May 12 ) : At Old Porge, Pond Bank, Mont Alto 
and State Porest,. adults were flying in great numbers in 
rhite pine plantations on varrr days' froir the iriddle of 
April to date. (Det. L. L. Buchanan.) 
BARK BEETLE (ips spp. ) 
Wisconsin E. L. Chambers (May 26); In the northern half of the State 
nurrerous rhite and Norway pines are being found by the 
blister rust crews heavily infested with bark beetles. The 
trees attacked '"ere apparently weakened from the effedts 
of last surrwer's drought and the heavy infesta.tion of the 
pine bark louse. 
PINE BARK APHID (Cherres pinicorticis Fitch) 
E. L. Chambers (May 26): White and Norway pines throughout 
the northern part of the State are heavily infested with the 
pine bark louse, aided by favorable dry weather. More than 
120,000 transplants had to be destroyed in a forest nursery 
because of unasually severe infestation. 
SCOTCH PINE LECANIUM ( Toureyella nurisrraticurr P.& McD. ) 
Wisconsin E. L. Chambers (May 26): Severe infestatifRg/kf the Scotch 
pine scale are being reported again throughout the northern 
portion of the State. Large numbers of young Jack pine trees 
were killed outright by the pest last summer, aided by severe 
drought, in the vicinity of Juneau and Dunn Counties. 
Wisconsin 
