与 «WINTER MOTH»相关的英语书籍
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1
Control of Pests and Weeds by Natural Enemies: An ...
Application to biological control of winter moth Most of the work with Nicholson–
Bailey class models has focused on exploring various theoretical ideas such as
the general features causing overall stability. However, Hassell (1980) used only
a ...
Roy van Driesche, Mark Hoddle, Ted Center,
2009
More recently, however, widespread damage of Sitka spruce by winter moth has
occurred in south and west Scotland (Stoakley, 1985) as well as minor sporadic
damage to Sitka spruce crops in northern England (S.R. Leather personal ...
Allan D. Watt, Nigel E. Stork, Mark D. Hunter,
1997
3
Insect Populations In theory and in practice: In Theory and ...
The pattern of 10-year cycles of winter moth could be due to delayed induced
plant defences (Haukioja and Hakala, 1975) resulting from winter moth feeding.
However, three facts make this unlikely. Firstly, at a given moth density, winter
moth ...
I. F. G. McLean, Jack P. Dempster,
1998
4
Population Dynamics: New Approaches and Synthesis
(1973) concluded that winter moth was regulated by density-related predation of
pupae in the soil. In the 19 years of life-table data collected by Varley and
Gradwell, mortality from the fly parasitoid Cyzenis albicans was not density
dependent ...
Naomi Cappuccino, Peter W. Price,
1995
5
Insect Population Ecology: An Analytical Approach
the case of the winter moth in Canada as an example, since we have more
information about the winter moth and its parasites from both Europe and
Canada than is available for any other biological control experiment. After its
accidental ...
George Copley Varley, G. R. Gradwell, Michael Patrick Hassell,
1974
6
Community Adaptation and Vulnerability in Arctic Regions
The eggs are extremely cold-tolerant and their lethal temperatures are as low as
approximately –35 C for winter moth and – 36 C for autumnal moth (Hagen et al.
2008). Both species have spring feeding larvae, and the timing between larval ...
Grete K. Hovelsrud, Barry Smit,
2010
7
Wytham Woods: Oxford's Ecological Laboratory
emerged in the emergence traps. Among them was an ichneumon wasp called
Cratichneumon culex, about which little was known at the time. Cratichneumon
was confirmed as a parasite of the winter moth and its numbers monitored over
the ...
Peter Savill, Christopher Perrins, Keith Kirby,
2010
The winter moth and the so-called northern winter moth, a rather paler species,
are no less destructive in the caterpillar stage. Fortunately for us, all these
caterpillars have various natural enemies, which include birds of several species,
and ...
9
The Dynamics of Arthropod Predator-prey Systems
Their studies point to a most significant difference between the two winter moth
populations, a difference that lies in their respective pupal mortalities. ln Wytham,
there is a very high winter moth pupal mortality in the soil (average of 72% over ...
Michael Patrick Hassell,
1978
10
Theory and Practice of Biological Control
The winter moth is native to Sweden south to North Africa. It was first found in
North America along the south shore of Nova Scotia. It was determined from
specimens collected late in 1949, although its larvae had apparently been
mistaken for ...
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Caterpillars of winter moths threaten region's trees, again
With the annual winter moth caterpillar outbreak in full force, homeowners and tree care companies are facing a rite of spring that has become a major threat to ... «Boston Globe, 五月 15»
Winter moth caterpillars devouring foliage across northern RI
These badly damaged oak leaves were spotted last week in Cumberland. The rapid spread of winter moth caterpillars is to blame. Not much can be done to ... «Valley Breeze, 五月 15»
As winter moth green inch worm caterpillar larvae continue to feed …
These green caterpillars are the larvae form of the winter moth. This insect entered the northeast during the past decade and continues to spread west and south ... «Boston.com, 五月 15»
Winter moths devastating maples, blossoming trees
They are called winter moths. Their offspring inchworms have hatched by the hundreds of thousands in trees throughout the region. Their feces — tiny black ... «The Daily News of Newburyport, 五月 15»
Maine to release parasitic flies to control moth damage
Entomologists say spring surveys of winter moth larvae show that Peaks Island has high enough levels of larvae to support the release of parasitic flies. «WCVB Boston, 五月 15»
After Delay In Hatching, Winter Moth Caterpillars Ready To Damage …
But if you look closely at the leaves, you may notice tiny holes in them. “You really start to notice that the leaves are being eaten, then there's stuff falling off the ... «CBS Local, 五月 15»
RI's woodlands under attack from winter moth infestation
Winter moth caterpillars are working their way through Rhode Island's woodlands, defoliating oak, maple, ash, basswood, elm, beech and fruit trees. «The Providence Journal, 五月 15»
DEM warns: Very hungry caterpillars hatching soon
“We are having people contact arborists and pesticide applicators to get ready for the winter moth outbreak,” said Bruce Payton of the DEM Division of Forest ... «WPRI 12 Eyewitness News, 四月 15»
Time to whack winter moth
Before being buried by last winter's snow, Warwick residents dealt with flurries of another kind: winter moths. The invasive species Operophtera brumata, known ... «Warwick Beacon, 四月 15»
Time to call arborist about controlling winter moths, RI DEM says
PROVIDENCE, R.I. -- Tree owners who noticed winter moth adults last November and December are advised to contact an arborist who is licensed to apply ... «The Providence Journal, 四月 15»