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tape 
is to remove the top materi mm puuch holes in the center and margin 
down to the bottom of the nest. and pour in the liquid. Thén the 
holes sre filled with earth seit the top material is replaced and 
tamped. & dosage of 1 pound (ap,.roximately 1 pint) is sufficient 
for a small mound, less than 18 inches in diameter; for a medium- 
sized mound, less than 23 feet in diameter, 2 »ounds should be used. 
A larger mound may need two or more anlications of 2 pounds euch. 
Obviously, mounds should be treated when they are small, as the ex- 
pense is less and the erea affected is smaller. 
Euro een pine shoot mcth killed by low tempereture.--P. A. 
Berry, of the Melrose Highlands, Mass., field laboratory, reports con- 
cerning collections in January of larvae of the Euro ean pine shoot 
moth (Rhyacionia bucliana Schiff.) in Wakefield and Brookline, Mass. 
One hundred larvae were removed from infested shoots of pine col- 
lected in each locality and were examined to ascertain if they were 
living or dead. In each collection only 1 of the 100 larvae examined 
was alive. it is oresumed that the death of the larvae was due to 
the unusually low temperatures of the latter part of December. Two 
of the larvae from Wakefield and 7 from Brookline contained the im- 
mature stage of a parasite of the genus Orgilus, all dead. adults 
of Orgilus obscurator (Nees), a parasite received from Europe, had 
been libereted in each of the infestations from which the Kuro ean 
ee Snoot moth larvae were obtained and it was »roebably this 
Species that was found in the parasitized larvae. 
Estinating foliaze area in ceciducus woodland.—In summarizing 
. experiments Panis eee jrethersummerto£l L965, Sf PecPotts and RY Re 
Whitten, Melrose Highlands, ore a figures relative to the area of 
foliage in an acre cf He Paes seed cane: In the area where these 
experiments were conducted the trees were entirely defcliated by 
the gipsy moth (Porthetria dispur L.). At the time the larvae began 
to feed, cloth-covered tr ays, 35 feet saquare, were put out at equal 
distances in the plot so as tu give random samsles of excrement and 
partly eaten leaves that fell to the ground. This material was re- 
moved from the trays daily. From previous experiments Messrs. Potts 
and Whitten were able to ascertain from the weight cf the excrement 
how much foliage had been caten by the caterpillars. Besed on the 
results from the trays they estimate that there were 4.6 acres of 
foliage to each acre of ground in the area sampled. It is also of 
interest that in totally defoliating the trees the caterpillars 
wasted aporoximately one third of the froliage, this falling to the 
ground in various-sized pieces. 
In experiments conducted in previous years, in which a different 
method was used, Mr. Potts estimated that the area of foliage ranged 
from 4 acres per acre of grcund for a medium stand te 7 acres for a 
very dense stand. In this method a given area of wocdiand was sprayed 
