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99 results for “host preference”
Colonisation success of a tree-killing bark beetle: Geographic variation and mismatch with host preference
<p><span>The preference–performance hypothesis (PPH) predicts that female insects maximise their fitness by ovipositing on hosts where their offspring perform the best. The preference–performance relationships in bark beetles are complex because before offspring development can occur in the phloem, adult bark beetles must first successfully invade host trees, and then construct galleries beneath the bark. Therefore, a positive correlation between host preference and successful colonisation is necessary for the PPH in bark beetles to hold (i.e., the preference–colonisation hypothesis in bark beetles).<br>In this study, through field choice experiments, I investigated the successful colonisation of the bark beetle,<em> Polygraphus proximus</em>, within four allopatrically distributed Abies species across a distinct biogeographic boundary in Japan.<br>The results of this study showed that the biogeographic boundary did not limit the successful colonisation by<em> P. proximus</em>. I observed that successful colonization was low in <em>A. firma</em>, despite it being an exotic species and the most preferred at the study sites, indicating a mismatch between preference and colonization success. Additionally, I observed that <em>A. sachalinensis</em> had a high colonization success rate, even though it was the least preferred species at the study sites.<br>The results suggest that the host preference of <em>P. proximus</em> has not been adjusted by colonisation success through natural selection. The absence of significant differences in colonisation success across the Tsugaru Strait, and the preference–colonisation mismatches imply that genetic factors do not contribute to host specialisation.</span></p>
Fig. 3 in Ecological fitting: Chemical profiles of plant hosts provide insights on selection cues and preferences for a major buprestid pest
Fig. 3. Average time spent (s ± 1SE) of gravid emerald ash borer females (Agrilus planipennis) in arms of Y-tube olfactometer with foliage emissions of olive (OL, Olea europaea), white fringetree (WF, Chionanthus virginica), green ash (GA, Fraxinus pennsylvanica), Manchurian ash (MA, F. mandshurica) or blank air (BL). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1 in Ecological fitting: Chemical profiles of plant hosts provide insights on selection cues and preferences for a major buprestid pest
Fig. 1. Mean emission rates of volatiles (ng/hour/g/foliage ± 1SE) of black ash (BA, Fraxinus nigra), blue ash (Blue, F. quadrangulata), Manchurian ash (MA, F. mandshurica), olive (OL, Olea europaea), and white fringetree (WF, Chionanthus virginicus), five plant hosts of emerald ash borer (Agrilus planipennis) collected in summer 2017. a) Overall plant profiles, b) antennally active compounds c) Green leaf volatile (GLV) profiles, d) sesquiterpene profiles, and e) Monoterpene profiles. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 2 in Ecological fitting: Chemical profiles of plant hosts provide insights on selection cues and preferences for a major buprestid pest
Fig. 2. Ordination (nonmetric multidimensional scaling) plots of volatiles profiles of black ash (BA, Fraxinus nigra), blue ash (Blue, F. quadrangulata), Manchurian ash (MA, F. mandshurica), olive (OL, Olea europaea), and white fringetree (WF, Chionanthus virginicus), five plant hosts of emerald ash borer (Agrilus planipennis). a) Overall plant profiles, b) Green leaf volatile (GLV) profiles, c) monoterpene profiles, d) sesquiterpene profiles, and e) antennally active compounds. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: A nonrandom subset of olfactory genes is associated with host preference in the fruit fly Drosophila orena
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Data from: Pathogens manipulate the preference of vectors, slowing disease spread in a multi-host system
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Evolution of parasitoid host preference and performance in response to an invasive host acting as evolutionary trap
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Preference, performance, and chemical defense in an endangered butterfly using novel and ancestral host plants
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Data from: Beyond preference and performance: host plant selection by monarch butterflies, Danaus plexippus
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Innate preference hierarchies coupled with adult experience, rather than larval imprinting or transgenerational acclimation, determine host plant use in Pieris rapae
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Tree diversity reduces risk of bark beetle infestation for preferred conifer species, but increases risk for less preferred hosts
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Data from: Genetic variation in host plants influences the mate preferences of a plant-feeding insect
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Data from: Standing genetic variation in host preference for mutualist microbial symbionts
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Pervasive effects of Wolbachia on host temperature preference
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Data from: Specificity, rank preference and the colonization of a non-native host plant by the Melissa blue butterfly
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Data from: Variation in host plant usage and diet breadth predict sibling preference and performance in the neotropical tortoise beetle Chelymorpha alternans (Coleoptera: Chrysomelidae: Cassidinae)
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Data from: Host stress hormones alter vector feeding preferences, success, and productivity
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Transgenerational inheritance of learned preferences for novel host plant odors in Bicyclus anynana butterflies
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Colonisation success of a tree-killing bark beetle: Geographic variation and mismatch with host preference
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Aphid-induced phytochemicals in Brassica juncea (L.) Czern & Coss. afflicting host preference and bionomics of Lipaphis erysimi (Kaltenbach)
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Allen Brain Atlas
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International Brain Laboratory public data
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