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96 results for “kleptoparasitism”
Figs. 1–2. 1 in Male Fireflies (Photinus pyralis (Linnaeus) and Photinus sabulosus Green) are at Special Risk of Capture by Spider Predators and are then Stolen by Kleptoparasitic Fireflies in the Genus Photuris Dejean (Coleoptera: Lampyridae)
Figs. 1–2. 1) A Photuris firefly feeding on a web-wrapped Photinus pyralis; a second P. pyralis has been captured and hangs in the web above the kleptoparasite; 2) Two kleptoparasitic Photuris fireflies feeding on a third Photuris (in the middle between both feeding predators) in a spider web.
First records of direct kleptoparasitism in yellowjacket wasps (Vespidae: Vespula)-Supplementary files
<p><strong>Compilation of video recordings and original files: first video (yellowjacket_1) begins after the first yellowjacket decapitates the honeybee and ends after the wasps departure with the honeybee abdomen; second video (yellowjacket_2) begins after the second yellowjackets arrival and ends after it departs with the honeybee thorax.</strong></p>
Data from: Multicontinental community phylogenetics of avian mixed-species flocks reveal the role of the stability of associations and of kleptoparasitism
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Data from: Revealing kleptoparasitic and predatory tendencies in an African mammal community using camera traps: a comparison of spatiotemporal approaches
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Data from: Caching reduces kleptoparasitism in a solitary, large felid
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Data from: Kleptoparasitism and scavenging can stabilize ecosystem dynamics
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Data from: The effect of kleptoparasite and host numbers on the risk of food-stealing in an avian assemblage
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Data from: Effects of host colony size and hygiene behaviors on social spider kleptoparasite loads along an elevation gradient
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Figure 9 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 9. Bayesian inference tree for the new genus, based on 621 bp of the mitochondrial cytochrome oxidase c subunit I gene (CO-I). Numbers above branches indicate support values> 0.8/60 for Bayesian posterior probability (BPP)/bootstrap – for maximum likelihood (ML); those located below represent the percentage of evolutionary divergence between clades. Asterisk indicates support <0.80/60 for BPP and ML, respectively.
Figure 8 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 8. Scanning electron micrographs of Locharcha opportuna pupa: (A) clypeal and mandibular areas (open arrows indicate microsetae), ventral view; (B) abdominal segments seven and eight (small arrow and arrow head indicate abdominal spiracles seven and eight, respectively), laterodorsal view; (C) microtrichia of abdominal segment A5, dorsolateral view; (D) setae of seventh abdominal segment posterior margin, dorsal view; (E) pseudopodium scar of abdominal segment A6, ventral view; (F) distal portion of abdomen, dorsal view; (G) apical portion of cremaster seta, dorsolateral view. Scale bars = 50, 100, 10, 20, 50, 100, 10 µm, respectively.
Figure 6 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 6. Scanning electron micrographs of Locharcha opportuna last larval instar: (A) head and prothorax, lateral view; (B) labrum and mandibles, frontal view; (C) stemmata; (D) antenna, lateral view; (E) labium and spinneret, ventral view; (F) maxilla, anterolateral view; (G) distal portion of mesothoracic leg, posterolateral view (arrow indicates spatulate seta); (H) prothoracic spiracle, lateral view; (I) pseudopodium abdominal A6, mesoventral view. Scale bars = 200, 100, 100, 20, 20, 20, 20, 20, 100 µm, respectively.
Figure 5 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 5. Locharcha opportuna last larval instar: (A) head chaetotaxy, frontal view; (B) thoracic and abdominal chaetotaxy, lateral view; (C) head and prothoracic shield, dorsal view; (D) body, lateral view. Scale bars = 50 µm and 1 mm, respectively.
Figure 3 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 3. Male genital morphology of Locharcha opportuna under light and scanning electron microscopy: (A) genitalia (aedeagus removed), oblique view (slide preparation GRPM 50–63); (B) gnathos, lateral view; (C) left valve (= glandiductor) detached from tegumen, lateral view; (D) sicae with anchored aedeagus (pointed by arrow), lateroposterior view; (E) dissected aedeagus (asterisk indicates everted vesica), lateral view. Scale bars = 1 mm, 50, 100, 100, 200 µm, respectively.
Figure 2 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 2. Locharcha opportuna adult morphology: (A) wings; (B) male genitalia (arrow indicates glandiductor), lateral view; (C) female genitalia, lateral view; (D) detail of tergal process (asterisk), dorsal view. Scale bars = 1, 0.2 and 0.5 mm, respectively.
Figure 1 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 1. Locharcha opportuna adult, dorsal view: (A) wings spread, pinned; (B) head and thorax, in detail; (C) wings folded, on Tibouchina sellowiana leaf. Scale bars = 2, 1 and 2 mm, respectively.
Figure 11 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 11. Variation in green colour intensity of Tibouchina sellowiana galls (median and corresponding quartiles) in relation to larval ontogeny, when considered the presence of larva either of the cecidogenous insect (A; = 10, 81 and 64 individuals, respectively, for instar II to IV) or the kleptoparasite (B; = 29, 38, 32, 64 individuals, respectively for instars I to IV) larvae inside. Bars followed by the same letter do not differ statistically (Kruskal–Wallis test, followed by Dunn's multiple comparison tests).
Figure 4 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 4. Female genital morphology of Locharcha opportuna under light microscopy: (A) genitalia, oblique view (slide preparation GRPM 50–65); (B) female signum, internal view. Scale bars = 250 and 500 µm, respectively.
Figure 10 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 10. Galls induced by Palaeomystella fernandesi on Tibouchina sellowiana plants, free from (A–D) and attacked by (E–H) the kleptoparasite Locharcha opportuna. (A) general aspect of two young, green galls inhabited by cecidogenous larvae, as indicated by the absence of external orifices; (B) dissected gall showing a cecidogenous larva inside; (C) dehiscent, violet gall on the ground, bearing a cecidogenous late-instar larva; (D) operculum (indicated by closed arrow) made by a last instar of the cecidogenous larva on a dehiscent gall before pupation, external view; (E) violet gall inhabited by a kleptoparasite larva, as indicated by the presence of two orifices (open arrows); (F) dissected gall showing a kleptoparasite larva inside; (G) dissected gall showing a kleptoparasite pupal cocoon inside (covered by larval faecal pellets, indicated by asterisk); (H) old, empty gall, left attached to a T. sellowiana plant after the kleptoparasite emergence. Scale bars = 4, 2, 2, 2, 4, 4, 4, 4 mm, respectively.
Figure 12 in Description, molecular phylogeny, and natural history of a new kleptoparasitic species of gelechiid moth (Lepidoptera) associated with Melastomataceae galls in Brazil
Figure 12. Variation in colour and size among galls induced by Palaeomystella fernandesi on Tibouchina sellowiana plants, and corresponding use by either cecidogenous or kleptoparasite moths at CPCN Pró-Mata (April 2012 to June 2013). (A) Gradient from green- to violetcoloured for galls that were studied; (B, C) abundance of cecidogenous larvae (closed bars; total = 155 individuals) and kleptoparasite (open bars; total = 163 individuals) inside in relation to intensity of green colour and size of green galls, respectively; (D) linear regression between size and intensity of green colour on galls (y = 0.67x + 8.77, R2 = 0.152, p <0.0001, n = 348).
Data from: The costs of kleptoparasitism: a study of mixed-species seabird breeding colonies
Mixed-species assemblages are common in nature, providing mutual benefits to associating species including anti-predator advantages or resource facilitation. However, associating with other species may also impose costs through kleptoparasitism (food theft). Identification of these costs, and how they vary when different species breed alongside one another, is essential to understand the payoffs of mixed-species assemblages. We explore the costs of kleptoparasitism for greater crested terns Thalasseus bergii provisioning offspring at a single-species colony, where individuals suffer kleptoparasitism from conspecifics, and at a mixed colony where terns breed alongside Hartlaub's gulls Chroicocephalus hartlaubii and are vulnerable to both intra- and interspecific kleptoparasitism. Gull presence increased both kleptoparasitic attacks and the proportion of prey lost or stolen during provisioning, relative to the single-species colony. Provisioning adults suffered additional energetic costs in response to gull kleptoparasitism, requiring more attempts to deliver prey, taking longer to do so, and swallowing more prey (to the detriment of their offspring). Gulls also increased the duration of tern vulnerability to kleptoparasitism, because they continued to steal food from adults and chicks after precocial chicks left the nest, when intraspecific kleptoparasitism is negligible. Terns breeding in a mixed colony therefore suffer direct and indirect costs through decreased provisioning and increased provisioning effort, which may ultimately impact reproductive success, resulting in colony decline where kleptoparasitism is frequent. This study illustrates how forming a mixed-species seabird breeding assemblage has costs as well as benefits, potentially fluctuating between a parasitic and a mutualistic relationship.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.