Results 261 to 270 of about 32,431 (313)
Parasitoids and Predators [PDF]
, 2000 The use of insect parasitoids and predators to control stored-product insect pests has many advantages over traditional chemical controls. These natural enemies leave no harmful chemical residues. Natural enemies released in a storage facility continue to reproduce as long as hosts are available and environmental conditions are suitable.
Paul W. Flinn, Matthias Schöller
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2016
Crop losses due to arthropods, diseases, and weeds across the world have increased from about 34.9% in 1965 to about 42.1% in the late 1990s and the trend is very alarming. There is thus a great need to find efficient and sustainable pest management strategies.
M. Kalyanasundaram, I. Merlin Kamala
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Crop losses due to arthropods, diseases, and weeds across the world have increased from about 34.9% in 1965 to about 42.1% in the late 1990s and the trend is very alarming. There is thus a great need to find efficient and sustainable pest management strategies.
M. Kalyanasundaram, I. Merlin Kamala
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Current Biology
Parasitoids - insects that parasitize other insects - have fascinating biologies that have made them darlings of the science fiction genre, owing to their wide array of innovative and often gruesome strategies for living off other organisms. These insects do not sting, but rather lay eggs on or inside their hosts, typically another insect or spider ...
Gaelen R, Burke, Barbara J, Sharanowski
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Parasitoids - insects that parasitize other insects - have fascinating biologies that have made them darlings of the science fiction genre, owing to their wide array of innovative and often gruesome strategies for living off other organisms. These insects do not sting, but rather lay eggs on or inside their hosts, typically another insect or spider ...
Gaelen R, Burke, Barbara J, Sharanowski
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Searching for Food or Hosts: The Influence of Parasitoids Behavior on Host–Parasitoid Dynamics [PDF]
Theoretical Population Biology, 1997 A host-parasitoid system with overlapping generations is considered. The dynamics of the system is described by differential equations with a control parameter describing the behavior of the parasitoids. The control parameter models how the parasitoids split their time between searching for hosts and searching for non-host food.
Vlastimil Krivan, E Sirot
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Parasitoid Competition and the Dynamics of Host-Parasitoid Models
The American Naturalist, 1988The standard host-parasitoid models assume that each parasitized host yields the same number of parasitoid progeny; but in many parasitoid species, the number of progeny per host depends on the number of times that host was encountered. I present a family of new host-parasitoid models incorporating this encounter-density-dependent variability in ...
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Parasitoid aggregation and interference in host–parasitoid dynamics
Ecological Entomology, 20161. Parasitoids do not distribute themselves evenly among available patches, which has an important bearing on the dynamics of host–parasitoid interactions. This study examined the density‐dependent nature of aggregation of the parasitoid Dirhinus giffardii Silvestri on the oriental fruit fly host, Bactrocera dorsalis (Hendel) distributed among discrete
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Enhanced stability in host–parasitoid interactions with autoparasitism and parasitoid migration
Journal of Theoretical Biology, 2016Previous studies based on simple non-spatial model have suggested that autoparasitism, in which females develop as primary endoparasitoids of hosts while males develop at the expense of primary parasitoids, stabilizes host-parasitoid steady state. To date, however, how the stabilizing role of autoparasitism would be affected by more complex spatial ...
Yunxin Huang +5 more
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Parasitoid Foraging and Learning
1995The diminutive size of most parasitoids undoubtedly has limited their choice as subjects for behavioral study, despite their great diversity in lifestyles and reproductive strategies. The present chapter addresses their foraging behavior as influenced by learning.
Vet, L.E.M., Lewis, W.J., Cardé, R.T.
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Dynamics of a host–parasitoid model with prolonged diapause for parasitoid
Communications in Nonlinear Science and Numerical Simulation, 2011Abstract In this paper, a host–parasitoid model with prolonged diapause for parasitoid is proposed and analyzed. The asymptotic stability analysis of the system is performed. For a biologically reasonable range of parameter values, the global dynamics of the system have been studied numerically.
Limin Zhang, Min Zhao, Min Zhao, Jun Zhu
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The impact of parasitoid emergence time on host–parasitoid population dynamics
Theoretical Population Biology, 2009We investigate the effect of parasitoid phenology on host-parasitoid population cycles. Recent experimental research has shown that parasitized hosts can continue to interact with their unparasitized counterparts through competition. Parasitoid phenology, in particular the timing of emergence from the host, determines the duration of this competition ...
Mark A. Lewis +2 more
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