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70 results for “larval host plant”
Figure 1 in Eggs, final-instar caterpillars and metamorphosis of Cyclosia macularia Guérin Méneville (Lepidoptera: Zygaenidae) from its larval host plant Baccaurea motleyana
Figure 1. (A) Final instar larva of Cyclosia macularia on Baccaurea motleyana leaf found in orchard (scale bar = 10 mm); (B) final instar larvae of C. macularia on B. motleyana leaf (scale bar = 10 mm); (C) turned black before it underwent pupation (scale bar = 10 mm).
Figures 10–19 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 10–19. Larval host plants of Cerambycidae. 10) An old log of Quercus alba covered with lichens and mosses that harbored Typocerus lugubris, exit holes in the inset. 11–12) Quercus sp. stem girdled by Aneflomorpha fisheri. 13) Elongated future emergence hole of Aneflus paracalvatus in Prosopis velutina (holes of A. calvatus in Senegalia greggii are similar). 14) Fig. 13 after removal of a layer of wood – plug in the turn is visible, remnants of the tunnel leading to the plug can be seen due to their darker color. 15) Sclerotized terminal segment of Aneflus levettei larva (dorsal view). 16) Larva of Aneflus calvatus (ventral view) with the terminal segment bearing spikes but not having the area between them sclerotized. 17) Holes along a branch of Quercus emoryi through which Atylostagma glabra expelled frass. 18) Empty central tunnels of A. glabra (split branch from Fig. 17). 19). Future emergence holes of A. glabra on a branch of Quercus emoryi.
Figures 1–7 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 1–7. Larval host plants of Cerambycidae. 1–2) Decayed branches of Fagus grandifolia utilized by Sphenostethus taslei, emergence hole is in Fig. 1, exposed larva in a gallery in Fig. 2. 3–4) Stump of Prunus serotina with emergence holes from Lepthorhabdium pictum. 5) Quercus falcata with a basidiocarp of Phellinus everhartii and an emergence hole from Stenelytrana emarginata (enlarged in the inset). 6) Quercus emoryi with resupinate basidiocarp of Inonotus andersonii. 7) Old emergence holes of Stenelytrana splendens in an oak with an old resupinate basidiocarp of Inonotus andersonii.
Figures 20–26 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 20–26. Larval host plants of Cerambycidae. 20) Galleries of Haplidus laticeps in Vachelia constricta. 21) One sealed opening in a branch of Quercus used by larvae of Metaleptus batesi to expel frass (enlarged in inset). 22) Exit holes of Obrium rubidium on a dead limb of Robinia pseudoacacia (enlarged in inset). 23) Galleries of O. rubidium on a cross-section. 24) Elongated exit holes of Smodicum cucujiforme in a scar on living Quercus (enlarged in the inset). 25) A pile of yellow granular frass around a base of living Mimosa expelled by larvae of Stenaspis solitaria. 26) Pink pupa of Sternidius alpha.
Fig. 7 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 7. Comparison of 3 characteristic forms of damage: (a) hole and feces coming from inside the pad, useful to distinguish pads with Cactoblastis cactorum; (b) typical damage observed in plants that were attacked by C. cactorum; (c) circular black spot fungal damage; (d) map black spot fungal damage.
Fig. 6 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 6. Proportion of Cactoblastis cactorum infected cladodes parasitized by Apanteles opuntiarum and proportion per cladode of C. cactorum larvae parasitized by A. opuntiarum throughout the yr for sites from Santiago del Estero, Córdoba, and Tucumán provinces. The average and standard deviation of the number of pupae of A. opuntiarum per C. cactorum larvae also is shown.
Fig. 2 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 2. Description of spots and setae from larval I to VI, shown in the pro- and meso-thoracic segment, and the seventh and anal abdominal segments: D1–2: dorsal setae; SD1–2: subdorsal setae; XD1–2: prothoracic setae; L1–3: lateral setae; SV1–2: subventral setae; PP1: posterior setae; spot "k" in prothorax, "h" in mesothorax, "a" and "c" in the seventh abdominal segment, and anal shield in the tenth and last abdominal segment.
Fig. 5 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 5. Number of larvae of Cactoblastis cactorum per mo from all sites of Tucumán and the proportion of those that were parasitized by Apanteles.
Fig. 1 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 1. (a) An eggstick oviposited on a pad of Opuntia ficus indica; (b) Anterior part of the larva exhibiting the cephalic capsule and prothorax starting to sclerotize; (c) Larva II has a dark shield on the prothorax and small macula at the base of each setae in the abdomen; (d) Larva III with bigger maculae with alternating color intensity on successive segments; (e) Larva IV with a white line between the head capsule and prothorax shield; (f) Larva V characterized by almost continuous black rings on the abdomen on an orange-brownish back- ground; (g) Typical bright orange larval VI with the prothorax shield fractured in 2 and apparently continuous black rings; (h) pupa within silk cocoon and naked pupa; Cactoblastis cactorum females (lef) and males (right); females have longer palps (i) than males (j). Both genders are characterized by a transverse line in the distal part of the wings (k, l).
Fig. 3 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 3. Proportion of individuals of different developmental stages of Cactoblastis cactorum in Tucumán throughout the year. Inside the bars: E = eggsticks, L = larvae, P = pupae.
Figure. 3 in Niche separation between the cosmopolitan species Drosophila melanogaster and the tropical Asian species Drosophila ananassae based on larval host-plant species
Figure. 3. Statistical interaction between Drosophila species and larval host plant in determining the number of male flies eclosing in the present experiment. Blue circles represent replicates for Drosophila ananassae and Drosophila melanogaster when raised on cucumberfruit (Averrhoa bilimbi). Red circles indicate replicates where D. ananassae or D. melanogaster were raised on banana (Musa sp.). The number of male flies eclosing from each replicate are presented as squareroot transformed data (variable: TFlies), since the transformed data were used in the ANOVA to determine the statistical significance of this statistical interaction. Da. = Drosophila ananassae, Dm.= Drosophila melanogaster.
Figure 2 in Niche separation between the cosmopolitan species Drosophila melanogaster and the tropical Asian species Drosophila ananassae based on larval host-plant species
Figure 2. Number of Drosophila ananassae and Drosophila melanogaster eclosing in the present experiment, pooling across fruit types. Da. = Drosophila ananassae, Dm.= Drosophila melanogaster.
Figure 1 in Niche separation between the cosmopolitan species Drosophila melanogaster and the tropical Asian species Drosophila ananassae based on larval host-plant species
Figure 1. Number of male flies eclosing from cucumberfruit (Averrhoa bilimbi) vs. banana (Musa species), pooled across Drosophila Species.
Data from: Host plant phenology drives risky larval dispersal in an outbreaking insect defoliator
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Struggling to survive: A comparison of Vanessa cardui larval survivorship on putative host plants
<p>The painted lady butterfly (<em>Vanessa cardui</em>) is a generalist herbivore with a global distribution. In North America, over 100 species have been identified as <em>V. cardui</em> larval host plants. This cosmopolitan species is commercially available in all life stages and can be reared on an artificial diet. As a result, <em>V. cardui</em> commonly serves as a model organism for education and outreach. However, gaps in our knowledge remain with regard to <em>V. cardui </em>ecology and larval host plant suitability for supporting complete development of larvae to reproductive adulthood. In a laboratory setting, we tested host plant suitability of five reported host plants commonly found in California sage scrub ecosystems by assessing survival of <em>V. cardui</em> caterpillars in their entirety. We also assessed how commercially sourced larvae survived on an artificial diet: both raising the caterpillars exclusively on an artificial diet, as well as switching diets from artificial to thistle (a commonly reported host plant) and switching from thistle to artificial diet. We found that all commercially-sourced caterpillars exhibited both high larval mortality and low pupation rates when reared on host plants, although larvae reared on <em>Malacothamnus fasciculatus</em> and <em>Sphaeralcea ambigua</em> survived longest. Moreover, <em>M. fasciculatus</em> and <em>S. ambigua </em>were the only host plants tested that supported successful pupation. This contrasted with a 63% higher survival of wild-collected larvae. Our findings suggest that commercially obtained <em>V. cardui </em>may struggle to utilize wild host plants and that future investigations into host plant suitability in wild populations are needed. Additionally, future research using commercial larvae should consider the implications for interpreting host plant suitability as larvae may exhibit adaptations to artificial diet or the loss of adaptation to consuming plant material.</p>
Figures 8–9. Stenelytrana splendens. 8 in New larval host plants and ecological observations on North American Cerambycidae (Coleoptera)
Figures 8–9. Stenelytrana splendens. 8) Female. 9) Male.
Fig. 4 in A study of Cactoblastis cactorum (Lepidoptera: Pyralidae) in its native range: further insights into life cycle, larval identification, developmental parameters, natural enemies, and damage to the host plant Opuntia ficus-indica (Caryophyllales: Cactaceae)
Fig. 4. Number of eggs across months for all sampling sites from Tucumán.
Struggling to survive: A comparison of Vanessa cardui larval survivorship on putative host plants
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Non-native congeneric trees are poor-quality host plants for a larval Lepidopteran
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Data from: Anthropogenic host plant expansion leads a nettle-feeding butterfly out of the forest: consequences for larval survival and developmental plasticity in adult morphology
Recent anthropogenic eutrophication has meant that hostplants of nettle-feeding insects became quasi-omnipresent in fertile regions of Western Europe. However, hostplant resource quality – in terms of microclimate and nutritional value – may vary considerably between the 'original' forest habitat and 'recent' agricultural habitat. Here, we compared development in both environmental settings using a split-brood design, so as to explore to what extent larval survival and adult morphology in the nettle-feeding butterfly Aglais urticae are influenced by the anthropogenic environment. Nettles along field margins had higher C/N-ratios and provided warmer microclimates to larvae. Larvae developed 20% faster, and tended to improve their survival rates, on the agricultural land compared to woodland. Our split-brood approach indicated plastic responses within families, but also family effects in the phenotypic responses. Adult males and females had darker wing pigmentation in the drier and warmer agricultural environment, which contrasts with the thermal melanism hypothesis. Developmental plasticity in response to this micro-climatically different and more variable habitat was associated with a broader phenotypic parameter space for the species. Both habitat-expansion and developmental plasticity are likely contributors to the ecological and evolutionary success of these nettle-feeding insects in anthropogenic environments under high nitrogen load.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.