*-393~ 
MississipiDi 
Wisconsin 
Massachusetts 
A BAEK BEETLE (Jjts gr-ndicollis Eichh. ) 
H. Dietrich (July 20): I. Grandicollls has killed apparently 
healthy young loblolly pine along Thompson's. Creek, Greene 
County. The large trees wore cut for piling last spring hut 
sore wore left lying in the ™oods. The "beetles ^cnt through 
a generation in the logs and then attached the young growth. 
The logs have beon ruined by the larvae of the pine sa~ycr. 
LESSER EASTE3N PINE BARK BEETLE ( Pityogenes hopkinsi &$. ) 
E. L. Chambers (July 21): Young white pine and Norway pine 
trees throughout the northern half of the State that were 
seriously weakened by drought and the pine bark louse are 
succurrbing in large nuirbers to this borer which kills the 
young trees outright in Lacrosse County. 
A T-VIG BORER ( Myeloborus ramiperda Sw. ) 
J. V. Shaffner, Jr. (July 23): A plantation of evergreens, 
mostly -hite pine, of 30 to 40 years' growth and covering 
10 to 12 acres of an estate in Beverly, was reported to be 
infested by a twig borer, M. ramiperda . We found that 10 to 15 
per cent of the twigs on the side branches of the white pine 
irrees, especially along the drives, '/ere infested. Adults 
wore secured July 13 and have been identified by Dr. M. 17. 
Bl ackman. 
Pennsylvania 
Wisconsin 
Wisconsin 
PINE BASK APHID (C herrres pinicorticis Pitch) 
J. N.. Knull (July 15): The pine bark aphid is unusually 
abundant on white pine plantations in various parts of the 
State this year. 
E. N. Chambers (June): 125,000 seedlings have been destroyed 
by the pine bark louse. 
SCOTCH PIKE LECA1TIUM ( Toureyella numismaticum P. & McD} 
E. L. Charrbers (July 21): Jack pine trees throughout the 
northern part of the State are heavily infested with the Scotch 
pine lecaniuir where the pest was not present last year. In the 
areas infested last year only a trace remains o^ing to the 
work of predators, although rrany trees succuTrbed to the attack 
of the scale. 
Pennsylvania 
A PINE SAWFLY ( ITeodiprion sp. ) 
J. N. Knull (June 23): Numerous pitch pines in this section 
are heavily infested ^-ith one of the pine sawflies. 
UBRARY 
STATE PLANT BOARD 
