o .eg an Jo of En1tomol0lD' - Norsk entomologisk forening

the results indicate certain differences between
the various parts of the country. In the southern
West-Norway and the coastal parts ofthe rest of
South-Norway, flight activity occurred in general
from early April till the end of April/beginning
of May. In the northern parts of
West-Norway and in the inland parts of the rest
of South-Norway, the flight period was about
one month later, from the beginning and towards
the end of May. Also at the northernmost
locality, Namsos, the flight period was in mid­
May. Locally, climatic variations may of cource
lead to deviations from the general flight periods
(e.g. Suldal-Stord).
In many of the Norwegian localities the average
catches per trap were greater than corresponding
catches in most of 16 trapping localities
in Central Europe in 1980 (Bogenschiitz
1981).
In severallocalities in East-Norway considerable
catches of P. jlammea were made in traps
placed inside young and older contorta plantations.
The oldest plantation was 50 years of age.
Also in West-Norway there are contorta plantations
in districts from which the Pine beauty
was recorded (Brekken 1968). However, injuries
to contorta pine by P. jlammea have never been
reported from any part of Norway.
ACKNOWLEDGEMENTS
Without the assistance of the Forest Service in
the various districts of Norway, it would not
have been possible to carry out the extensive
survey in 1981. District officers have been directly
engaged in the work, or have arranged
with private pefsons to participate in the survey.
In 1980 the trapped specimens were identified
by Mr. Sigurd Andreas Bakke, in 1981 by Mr.
Leif Aarvik.
Traps and pheromon analogues were provided
by Dr. Hermann Bogenschiitz, West-Germany.
The survey is a part ofthe inter-nordic project
«Pests ofPinus contortaii, and is mainly financed
by the Nordic Council of Ministers through the
Nordic Forest Research Cooperation Committee.
The author is most grateful to the Forest Service,
the above named persons and institutions
for the assistance and help.
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Received 31 March 1982.
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