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PINE 
AN" ENG3AV3R BEETLE (Ips calll graahus GerT. ) 
Maine. H. B. Peirson (Se-pterrber 28): A large white Dine at Fryeburg is 
practically dead and heavily infested with these Dark beetles. Good- 
sized pitch tubes were abundant on the trunk, hence beetles were an irroor- 
tant factor in causing the death of the tree. 
INTRODUCED PINE SATCFLY (DVprion simile Htg. ) 
Ohio. E. W. Mendenhall (October 2): Pine sawflies are injuring pine trees on 
private properties at Newark. 
17HIT2-PINE APHID ( Oinara strobi Fitch) 
Connecticut, He" York, and Pennsylvania. E. P. Felt (October 23): The white- 
lined plant louse (Dilachnus s trobi ) has been unusually abundant and is 
depositing its ro^s of shiny, black eggs on white pine needles in the vi- 
cinity of Stafford, Conn., Long Island, H. Y. , and in the Philadelphia, Pa., 
area. 
AN APHID (L achnus torrentosus Villers) 
Connecticut and Pennsylvania. E. P. Felt (October 23): A serious plant louse 
infestation on Mugho pine occurred on a fe" 7 Plants at North Stamford, Conn., 
the insect being tentatively identified as Sch ig olachnus torrentosus . Ap- 
parently this insect occurs in the Philadelphia area. 
A SCALE INSECT ( Matsucoccu s matsumurae Kuwana) 
Connecticut. G. H. Plurrb (Seaterrber 18): The current season's growth of pitch 
pine at Chaplin is froir thickly to sparsely covered with young larval skins. 
Many twigs have been killed. Last year's growth exhibits sirrilar injury. 
A TREE MIDGE (Cecidomyiidae ) 
Idaho. J. C. Evendon (SepteTber): An unidentified tree iridge is killing a 
large percentage of ponderosa pine tips in northern Idaho. The adult midge 
deposits her eggs at the bases of needle fascicles by forcing their into the 
soft tissue of the current season's growth and, upon hatching, the larvae 
excavate small pits in which they feed. As many as 35 iridge larvae were 
found in a 4-inch lateral tip, Usually only 1 larva "'as found at the base 
of each fascicle, but sonretirres 2 or 3 were present in one pit. 
POPLAR 
A N0T0D0NTID ( Cerura cinerea Walk. ) 
Ohio. J. S. Houser (September 5): This striking caterpillar, both in forrr and 
color, is damaging the foliage of PopuIus sirroni on ornairental plantings at 
