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283 results for “host-plants”
FIGURES 53–60. Leaf mines and adults. 53–55 in Documenting trumpet leaf-miner moths (Tischeriidae): new Neotropical Coptotriche and Astrotischeria species, with notes on Sapindaceae as a host-plant family
FIGURES 53–60. Leaf mines and adults. 53–55, leaf mines of Coptotriche sp. discovered on the eastern slopes of the Peruvian Andes; 56, 57, novel host plant, Serjania sp., possibly S. grandis Seem. (Sapindaceae); 58, habitat where the leaf mines were found on the eastern slopes of the Peruvian Andes (Huacapistana, NW of Carpapata, 2900 m); 59, 60, male holotype of C. carmencita Stonis & Diškus, a recently described species (Stonis et al. 2019a) discovered in the Peruvian "selva alta" (Ecological Park Fundo San José, La Merced, Junín Region, Peru, 840–900 m)
FIGURES 35–40 in Documenting trumpet leaf-miner moths (Tischeriidae): new Neotropical Coptotriche and Astrotischeria species, with notes on Sapindaceae as a host-plant family
FIGURES 35–40. Male genitalia of Astrotischeria yungasi Diškus & Stonis, sp. nov. 35, capsule with phallus removed, holotype, genitalia slide no. AD1070; 36, uncus, paratype, genitalia slide no. AD1034; 37, valvae and vinculum, paratype, genitalia slide no. AD1034; 38, phallus, holotype, genitalia slide AD1070; 39, 40, details of capsule, paratype, genitalia slide no. 1034 (ZIN)
FIGURES 11–18 in Documenting trumpet leaf-miner moths (Tischeriidae): new Neotropical Coptotriche and Astrotischeria species, with notes on Sapindaceae as a host-plant family
FIGURES 11–18. Astrotischeria serjaniphaga Remeikis & Stonis, sp. nov. 11–13, leaf mines on Serjania Mill., possibly S. squarrosa Radlk. (Sapindaceae), Curahuasi, Apurímac Department, central Peru, at an elevation of about 2700 m; 14, 15, male adult, holotype; 16–18 pupal exuviae (NRC)
FIGURES 47–52 in Documenting trumpet leaf-miner moths (Tischeriidae): new Neotropical Coptotriche and Astrotischeria species, with notes on Sapindaceae as a host-plant family
FIGURES 47–52. Female genitalia of new Astrotischeria species. 47, 48, A. yungasi Diškus & Stonis, sp. nov., paratype, genitalia slide no. AD1068; 49, 50, A. mystica Diškus & Stonis, sp. nov., paratype, genitalia slide no. AD1051; 51, 52, A. parapallens Diškus & Stonis, sp. nov., paratype, genitalia slide no. AD1042 (ZIN)
FIGURES 41–46 in Documenting trumpet leaf-miner moths (Tischeriidae): new Neotropical Coptotriche and Astrotischeria species, with notes on Sapindaceae as a host-plant family
FIGURES 41–46. Male genitalia of Astrotischeria parapallens Diškus & Stonis, sp. nov. 41, capsule with phallus removed, holotype, genitalia slide no. AD1045; 42, dorsal lobes of valvae, paratype, genitalia slide no. AD1052; 43, basally connected valvae and vinculum, paratype, genitalia slide no. AD1052; 44, apex of phallus, paratype, genitalia slide AD1052; 45, general view of phallus, paratype, genitalia slide no. 1046; 46, same, holotype, genitalia slide no. AD1045 (ZIN)
FIGURES 1–6 in Documenting trumpet leaf-miner moths (Tischeriidae): new Neotropical Coptotriche and Astrotischeria species, with notes on Sapindaceae as a host-plant family
FIGURES 1–6. Bionomics of Astrotischeria mystica Diškus & Stonis, sp. nov. 1–3, host plant Verbesina L. (possibly V. plowmanii Sagást.) (Asteraceae), Urubamba Province, Peru, 2180 m; 4–6, leaf mines
How do host-plant use and seasonal life cycle relate to insect body size: A case study on European geometrid moths (Lepidoptera: Geometridae)
<p><span>We used European geometrid moths (> 630 species) as a model group to investigate how life history traits linked to larval host plant use (i.e., diet breadth and host-plant growth form) and seasonal life cycle (i.e., voltinism, overwintering stage, and caterpillar phenology) are related to adult body size in holometabolous insect herbivores. To do so, we applied phylogenetic comparative methods to account for shared evolutionary history among herbivore species. We further categorised larval diet breadth based on the phylogenetic structure of utilised host plant genera. Our results indicate that species associated with woody plants are, on average, larger than herb feeders and increase in size with increasing diet breadth. Obligatorily univoltine species are larger than multivoltine species, and attain larger sizes when their larvae are restricted to the early season. Furthermore, adult body size is significantly smaller in species that overwinter in the pupal stage compared to those that overwinter as egg or caterpillar. In summary, our results indicate that the ecological niche of an holometabolous insect herbivore is strongly interrelated with its size at maturity.</span></p>
Data from: Sympatric diversification vs. immigration: deciphering host-plant specialization in a polyphagous insect, the stolbur phytoplasma vector Hyalesthes obsoletus (Cixiidae)
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Data from: Host-plant dissections reveal contrasting distributions of Crematogaster ants and their symbionts in two myrmecophytic Macaranga species
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Data from: Host-plant use of a polyphagous mirid, Apolygus lucorum: molecular evidence from migratory individuals
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Bipartite network datasets for Permian host-plant--insect herbivory
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Data from: Bumble bee nest abundance, foraging distance, and host-plant reproduction: implications for management and conservation
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Data from: Bottom-up effects of host-plant species diversity and top-down effects of ants interactively increase plant performance
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Host-plant choices determined by reproductive interference between closely related butterflies
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How do host-plant use and seasonal life cycle relate to insect body size: A case study on European geometrid moths (Lepidoptera: Geometridae)
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Angiosperm to Gymnosperm host-plant switch entails shifts in microbiota of the Welwitschia bug, Probergrothius angolensis (Distant, 1902)
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Generalised host-plant feeding can hide sterol specialised foraging behaviours in bee-plant interactions
<p><span><span><span><span><span><span><span><span><span><span><span>Host-plant selection is a key factor driving the ecology and evolution of insects. While the majority of phytophagous insects are highly host specific, generalist behaviour is quite widespread among bees and presumably involves physiological adaptations that remain largely unexplored. However floral visitation patterns suggest that generalist bees do not forage randomly on all available resources. While resource availability and accessibility as well as nectar composition have been widely explored, pollen chemistry could also have an impact on the range of suitable host-plants. This study focuses on particular pollen nutrients that cannot be synthesised de novo by insects but are key compounds of cell membranes and the precursor for moulting process: the sterols. We compared the sterol composition of pollen from the main host-plants of three generalist bees: <i>Anthophora plumipes</i>,<i>Colletes cunicularius</i>and <i>Osmia cornuta</i>, as well as one specialist bee <i>Andrena vaga</i>. We also analysed the sterols of their brood cell provisions, the tissues of larvae and non-emerged females to determine which sterols are used by the different species. Our results show that sterols are not used accordingly to foraging strategy: Both the specialist species <i>Andrena vaga</i>and the generalist species <i>Colletes cunicularius</i>might metabolise a rare C<sub>27</sub>sterol, while the two generalist species <i>Anthophora plumipes</i>and <i>Osmia</i><i>cornuta</i>might rather use a very common C<sub>28</sub>sterol. Our results suggest that shared sterolic compounds among plant species could facilitate the exploitation of multiple host-plants by <i>A. plumipes</i>and <i>O. cornuta</i>whereas the generalist <i>C. cunicularius</i>might be more constrained due to its physiological requirements of a more uncommon dietary sterol. Our findings suggest that a bee displaying a generalist foraging behaviour may sometimes hide a sterol-specialised species. This evidence challenges the hypothesis that all generalist free-living bee species are all able to develop on a wide range of different pollen types.</span></span></span></span></span></span></span></span></span></span></span></p>
FIGURES 11–14 in Thysanoptera host-plant associations, with an account of species living on Tamarix, and a new species of Lissothrips (Phlaeothripidae)
FIGURES 11–14. Liothrips reuteri (female), variation in antenna.
Data from: Phylogenetic Analyses of DNA and Allozyme Data Suggest that Gonioctena Leaf Beetles (Coleoptera; Chrysomelidae) Experienced Convergent Evolution in their History of Host-Plant Family Shifts
A phylogenetic analysis of the genus Gonioctena (Coleoptera, Chrysomelidae) based on allozyme data (17 loci) and mitochondrial DNA sequence data (three gene fragments, 1,391 sites) was performed to study the evolutionary history of host-plant shifts among these leaf beetles. This chrysomelid genus is characteristically associated with a high number of different plant families. The diverse molecular data gathered in this study are to a large extent congruent, and the analyses provide a well-supported phylogenetic hypothesis to address questions about the evolution of host-plant shifts in the genus Gonioctena. The most-parsimonious reconstruction of the ancestral host-plant associations, based on the estimated phylogeny, suggests that the Fabaceae was the ancestral host-plant family of the genus. Although most of the host-plant shifts (between different host species) in Gonioctena have occurred within the same plant family or within the same plant genus, at least eight shifts have occurred between hosts belonging to distantly related and chemically dissimilar plant families. In these cases, host shifts may have been simply directed toward plant species available in the environment. Yet, given that two Gonioctena lineages have independently colonized the same three new plant families, including four of the same new genera, some constraints are likely to have limited the different possibilities of interfamilial host-plant shifts.
FIGURE 28 in Molecular phylogenetics, systematics and host-plant associations of the Bruchidius albosparsus (Fåhraeus) species group (Coleoptera, Chrysomelidae, Bruchinae) with the description of four new species
FIGURE 28. Color variation in Bruchidius grandemaculatus adults (a, b—males; c, d—females).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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