-476^ . • 
Pennsylvania 
Pennsylvania 
Minnesota 
J. N. Knull (July 29): There }s a" moderately heavy infestation 
of the woolly larch aphid in plantations 1 mile south of Ansaria, 
Troga County. : ; ... 
EUROPEAN LARCH SAT7FLY ( L.ygaeonenatus erichsoni Htg.) 
J. N. Knull (July 31): The European larch "sawfly is doing 
considerable damage- to European loaches in plantations in 
Mainesburg, Asaph, Ansonia?/Al"ba» Tf.pw ., '."iv/.jBradford Counter; 
A, G-. Buggies, and assistants (August): ' w The larch sawfly is 
very abundant. Considerable damage has been done on tamarack. 
It is reported as scarce in Itasca Park, 
LINDEN 
Pennsylvania 
LINDEN WART GALL ( Cocidomyia - verrucicpla O.S.) 
E. P. Felt (August 21): The linden leaf gall was found in 
great numbers on trees at Valley Forge. 
Massachusetts 
New York 
LOCUST 
LOCUST LEAF MINER ( Chalepus dorsalis Thumb'.) 
J. V. Schaffner, Jr. (August 21): On August 11, Mr.C. W, 
Collins observed about an acre of black locust at Berkeley 
25 per cent defoliated by this species, 
E. P. Felt (August 2l): Tac locust leaf miner is reported 
abundant at Farming dale, L. I, 
New Hampshire 
Maine 
Connecticut 
MAPLE 
BARK LICE (Psocidae) 
J. V. Schaffner, Jr. (August 24): Luring August reports were 
received from three different localities in New Hampshire of the 
unusual abundance of bark lice, especially on sugar maple. I 
observed thousands of these insects on four large sugar maple 
trees at Moultonboro, August 3. 
MAPLE TRUMPET SKELETONIZER ( Thiodia si gnat ana Clem.) 
H. B. Peirson (August 24) The maple trumpet skeletonizcr is 
locally abundant at Richmond, 
WOOLLY MAPLE LEAF SCALE ( Phenacoccus acericola King) 
W. E. Britton (August 24): Apparently this insect is more 
abundant this summer in Connecticut than for several years* 
