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Host specialization in phytophagous insects

WebApr 6, 2015 · The loci controlling host recognition are far from being identified, but pioneering works on the evolutionary and functional mechanisms of chemosensation have been conducted in Drosophila, helped by the availability of complete sequenced genomes and the subsequent identification of large chemosensory gene families in this genus [ 23, … WebHost specialization plays a key role in the extreme diversification of phytophagous insects. Whereas proximate mechanisms of specialization have been studied extensively, their …

Why Are Phytophagous Insects Typically Specialists?

WebThe evolution of host specialization in phytophagous insects is generally thought to involve genetic trade-offs that prevent individuals from maximizing fitness simultaneously on two or more hosts. Several hypotheses, however, have suggested that trade-offs may not be evident in experiments comparing larval performance on normal and novel hosts. WebOct 10, 2024 · Phytophagous insect–host plant interactions have been widely studied using multiple ... insects is crucial to understanding how changing hosts and the use of diverse hosts influence range expansion in insects and their ecological specialization. A holistic approach requires combining omics tools with other types of experiments; for example ... the united peaple https://stealthmanagement.net

Trade-offs and the evolution of host specialization

WebPhytophagous insects possess the key criteria of cybernetic regulators, that is, small biomass, rapid amplification of effect at the ecosystem level, sensitivity to airborne or … WebJun 14, 2024 · Introduction. Host-selection in phytophagous insects is a complex process mediated by many factors including oviposition stimulants [1, 2], feeding stimulants (phagostimulants) [], vision [], experience [], and deterrents [].The preference-performance hypothesis explains the phenomenon of host specificity by positing that adult insects … WebDec 20, 2016 · The phylogenetic history of Cardinium seems to be driven by physiological specialization of the host and horizontal transmission acting at different degrees. It … the united pie

Host specialization of parasitoids and their hyperparasitoids on a …

Category:Host plant shifts affect a major defense enzyme in - PNAS

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Host specialization in phytophagous insects

Testing host-plant driven speciation in phytophagous insects : a ...

WebHost Specialization in Phytophagous Insects John Jaenike Annual Review of Ecology and Systematics Host Odor Perception in Phytophagous Insects J H Visser Annual Review of … WebFeb 21, 2008 · Most phytophagous insects tend to be host plant specialists, feeding and carrying out virtually all key life-history activities (e.g., mate-acquisition and reproduction) on one or a relatively small subset of closely related plant species (Futuyma 1991; Bernays and Chapman 1994; Thompson 1994; Novotny and Basset 2005).

Host specialization in phytophagous insects

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WebMar 12, 2024 · Why do herbivorous insects tend to be host specialists? Population genetic models predict specialization when there is antagonistic pleiotropy at a gene for host-use performance. But... WebJan 1, 2009 · Phytophagous insects are generally considered to be those that feed on green plants. They include species that attack roots, stems, leaves, flowers, and fruits, either as larvae or as adults or in both stages. Leaf feeders may be external (exophytic) or they may mine the tissues, sometimes even specializing on a particular cell type.

WebMar 7, 2011 · The many previous comparisons of closely related phytophagous insect species and their host affiliation provide insight into the evolutionary history of host plant specialization/host shift and its impact on speciation (25, 39–41); in addition, some examples have compared different host affiliations within a species (42, 43). However, … Webhost race Neochlamisus phytophagous insects pleiotropy premating isolation reproductive isolation Download chapter PDF References Abe, Y., 1991. Host race formation in the gall wasp Andricus mukigawae. Ent. Exp. Appl. 58: 15–20. CrossRef Google Scholar Adams, D. & D.J. Funk, 1997.

WebApr 8, 2013 · Host specialization is a ubiquitous character of phytophagous insects. The polyphagous population is usually composed of some subpopulations that can use only a … WebPhytophagous insects represent a very particular not really belong to their host plant range. This may group of organisms. Firstly, their number amounts lead to mistaken conclusions especially in regions to more than one quarter of all recent species (ex where only few observations were possible, as well cluding fungi, algae and microbes) and together with …

WebNov 9, 2024 · Host race formation and speciation are at the core of the enormous insect diversification. Insect–host relationships can take many forms, ranging from parasitic to …

WebNov 1, 1990 · Host Specialization In Phytophagous Insects November 1990 Annual Review of Ecology and Systematics 21 (1):243-273 Authors: John … the united people of canada ottawaWebMar 13, 2013 · Parasitoids of herbivorous insects have frequently evolved specialized lineages exploiting hosts occurring on different plants. This study investigated whether … the united planning organizationWebOct 21, 2024 · Download a PDF of the paper titled Testing host-plant driven speciation in phytophagous insects : a phylogenetic perspective, by Emmanuelle Jousselin and 1 other … the united people of canadaWebThe trade-off concept has played an especially prominent role in discussions of the evolution of host specialization in phytophagous insects. The evidence for genetically … the united post videothe united pharmaceutical manufactoryWebDec 11, 2009 · Host specialization to form biotypes is common among phytophagous insects, and it has been hypothesised that biotypes of Dactylopius tomentosus L. (Hemiptera: Dactylopiidae) occur. D. tomentosus is an important biological control agent for Cylindropuntia cacti when they occur as weeds. Additionally, there is uncertainty … the united postal serviceWebApr 8, 2013 · The specialization in host use would be one of the scenarios in the evolutionary process of feeding habits in phytophagous insects, because the evolution of … the united press