KSIĄŻKI POWIĄZANE ZE SŁOWEM «POLYPHAGY»
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1
Specialization, Speciation, and Radiation: The Evolutionary ...
The evolutionary ecology of polyphagy by phytophagous insects has been
overshadowed by an intense focus on the evolutionary ecology of their host
specificity. This bias reflects the preponderance of host specificity in
phytophagous insects ...
2
Interrelationship Between Insects and Plants
3.2.3.2 First-degree polyphagy This is found in many species which feed almost
at random on a wide variety of botanical orders, but of the same class. Species of
Lepidoptera of the genus Cnephasia live on various dicots and seem to be ...
3
Insect Pest Management and Ecological Research
Understanding polyphagy and IPM application Many insects have a reputation
for polyphagy, including some of the most serious agricultural pests, most
predators and many parasitoids (especially egg parasitoids). This chapter has ...
4
The Balance of Nature?: Ecological Issues in the ...
In the CFIS data we expect high estimates of abundance to be associated with
high estimates of polyphagy and also with high estimates of variability. Watt's
observation of increasing variability with increasing polyphagy may be no more
than a ...
3.4 MONOPHAGY AND POLYPHAGY Many herbivorous animals eat a limited
number of plant species (oligophages). Others, mainly invertebrates, are
restricted to one food plant species (monophages). Some species eat a wide
variety of ...
6
Tiger Moths and Woolly Bears : Behavior, Ecology, and ...
polymath Vincent Dethier also contributed to this area of inquiry through his
observations and experimental studies of the individual polyphagy of Spilosoma (
=Diacrisia) virginica caterpillars (Dethier, 1988, 1993). The approach taken by ...
William E. Conner Professor of Biology Wake Forest University, 2008
7
Insect-Fungus Interactions
The horizontal axis gives the number of sporophores (N) and the vertical axis the
current degree of polyphagy (p1). Selection favours increasing polyphagy on the
left side and decreasing polyphagy on the right side of the lines. Compare with ...
8
Biology of Grasshoppers
o r CD Q 0.5 U. o a CO 5 10 15 20 DEGREE OF POLYPHAGY 25 Fig. 14.15.
Relationship between polyphagy and variability in population size. Population
variability was calculated from 25 years of sampling at North Platte, Nebraska (
Joern ...
R. F. Chapman, A. Joern, 1990
9
Insects and Plants: Parallel Evolution & Adaptations, Second ...
To explain this strange behavior, two hypotheses are equally acceptable: 1)
original polyphagy with later specialized monopha- gy; 2) original monophagy
which evolved later on to polyphagy on very different food plants. Polyphagy ...
10
From Energetics to Ecosystems: The Dynamics and Structure of ...
There are two: intermediate polyphagy and multiple unique predators, the
second provokes new conceptual difficulties, and leads to a conjecture
concerning the ''necessity of complexity'' as discussed in Section 7.8.
Intermediate polyphagy is ...
Neil Rooney, Kevin S. McCann, David L. G. Noakes, 2006
