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263 results for “ant association”
Figures 4–13 in Morphological alteration in response to endogeic habitat and ant association in two new planthopper species from New Caledonia (Hemiptera: Auchenorrhyncha: Fulgoromorpha: Delphacidae)
Figures 4–13. Notuchus kaori sp. nov., adult male (paratype). (4) Habitus, dorsal aspect. (5) Detail: right tegmen, dorsal aspect. (6) Habitus, left lateral aspect. (7) Head, anterolateral aspect. (8) Left antenna. (9) Same, pedicel with sensory plaques and macrosetae. (10) Same as in Figure 9, detail. (11) Post-tibial spur. (12) Same as in Figure 11, detail. (13) Pretarsus (arolium and claws), ventral aspect. Scale bars in mm.
Figures 2, 3 in Morphological alteration in response to endogeic habitat and ant association in two new planthopper species from New Caledonia (Hemiptera: Auchenorrhyncha: Fulgoromorpha: Delphacidae)
Figures 2, 3. Notuchus kaori sp. nov., adult male. (2) Habitus with colour pattern, dorsal aspect, paratype male. (3) Colour pattern of abdomen, ventrolateral aspect (genital capsule removed), holotype male. Scale bar: 0.2 mm.
Figures 41, 42 in Morphological alteration in response to endogeic habitat and ant association in two new planthopper species from New Caledonia (Hemiptera: Auchenorrhyncha: Fulgoromorpha: Delphacidae)
Figures 41, 42. Paratrechina spec. (Formicidae), worker. (41) Habitus, lateral aspect. (42) Head, frontal aspect.
Figures 43, 44 in Morphological alteration in response to endogeic habitat and ant association in two new planthopper species from New Caledonia (Hemiptera: Auchenorrhyncha: Fulgoromorpha: Delphacidae)
Figures 43, 44. (43) Hypochthonella caeca China and Fennah (Hypochthonellidae), endogeic species (from Hoch 1994, used with permission). (44) Notuchus larvalis Fennah (Delphacidae), obligately cavernicolous (troglobitic) species (from Hoch 1994, used with permission). Scale bars: 0.5 mm.
FIGURES 32–46 in Sicariomorpha, a New Myrmecophilous Goblin Spider Genus (Araneae, Oonopidae) Associated with Asian Army Ants
FIGURES 32–46. Sicariomorpha maschwitzi, comb. nov., 32, 33, 42–46, male; 34–41, female. 32–33, spinnerets. 34, leg I, lateral; 35, leg III, lateral; 36, leg IV, lateral. 37–46, tarsal organ, dorsal view. 37, 42, palp; 38, 43, leg I; 39, 44, leg II; 40, 45, leg III; 41, 46, leg IV.
FIGURES 23−31 in Sicariomorpha, a New Myrmecophilous Goblin Spider Genus (Araneae, Oonopidae) Associated with Asian Army Ants
FIGURES 23−31. Sicariomorpha maschwitzi, comb. nov., 23–27, 29–31, male. 23, Dorsal; 24, ventral; 25, lateral; 26, anterior; 27, anterior portion of carapace, ventral; 28, female carapace, anterior; 29, eyes, anterior; 30, chelicera fang, ventral; 31, chelicera fang venom duct opening.
FIGURES 17–22 in Sicariomorpha, a New Myrmecophilous Goblin Spider Genus (Araneae, Oonopidae) Associated with Asian Army Ants
FIGURES 17–22. Sicariomorpha maschwitzi, comb. nov., female. 17, Dorsal; 18, ventral; 19, carapace, dorsal; 20, lateral; 21, abdomen, anterolateral; 22, carapace, anterior.
FIGURES 9–16 in Sicariomorpha, a New Myrmecophilous Goblin Spider Genus (Araneae, Oonopidae) Associated with Asian Army Ants
FIGURES 9–16. Sicariomorpha maschwitzi, comb. nov., 9–14, male palp; 13–16, female genitalia, ventral view. 9, Retrolateral; 10, prolateral; 11, ventral; 12, frontal; 13, dorsal; 14, Palp distal (embolus and conductor), dorsal view; 15, cleared; 16, internal genital sclerite. Scale bars = 0.10 mm.
FIGURES 1–2. 1 in Sicariomorpha, a New Myrmecophilous Goblin Spider Genus (Araneae, Oonopidae) Associated with Asian Army Ants
FIGURES 1–2. 1, Sicariomorpha maschwitzi, comb. nov., participates in ant emigrations by performing a "tandem-running"-like behavior. 2, Participation of S. maschwitzi in host migrations. Leptogenys distinguenda workers heading toward the new nest were counted periodically for 90 sec, followed by a 90 sec break. Additionally, the presence of spiders was counted throughout the entire emigration.
Figs 1–5 in Unusual behaviour - unusual morphology: mutualistic relationships between ants (Hymenoptera: Formicidae) and Diaphorina enderleini (Hemiptera: Psylloidea), associated with Vernonia amygdalina (Asteraceae)
Figs 1–5. Fifth instar larva of Diaphorina enderleini: (1) habitus, dorsal surface left, ventral surface right; (2) detail of forewing pad, outer margin; (3) antenna; (4) tarsus with claws and tarsal arolium; (5) caudal plate, dorsal surface left, ventral surface right.
Figs 6–10. Ants attending D in Unusual behaviour - unusual morphology: mutualistic relationships between ants (Hymenoptera: Formicidae) and Diaphorina enderleini (Hemiptera: Psylloidea), associated with Vernonia amygdalina (Asteraceae)
Figs 6–10. Ants attending D. enderleini on V. amygdalina leaves: (6) shelter enclosing psyllid larvae and Pheidole megacephala workers; (7) psyllid females and eggs with P. megacephala workers; (8) psyllid females and larvae with Crematogaster striatula workers and carton shelter's remains; (9) psyllid females and eggs with Camponotus acvapimensis workers; (10) psyllid larvae with Myrmicaria opaciventris workers.
Targeted social immunity is associated with a pathogen-specific erosion of individual immune function in ants - dataset
<p>Complete dataset of quantitative data and R scripts used to generate the figures and statistics of the publication, sorted by figure panel number. Information about data structure are including in the scripts. </p>
Data from: Evidence for facilitation among avian army-ant attendants: specialization and species associations across elevations
Mixed-species assemblages can involve positive and negative interactions, but uncertainty about high-value patchy resources can increase the value of information sharing among heterospecific co-foragers. I sampled species composition of bird-flocks attending army-ant raids in three adjacent elevation zones in Costa Rica, across multiple years, to test for positive and negative associations among raid-attending bird species. My goal was to test whether the most frequent and specialized raid-attending species showed evidence of facilitating or excluding other bird species. I quantified elevational variation in avian community composition at raids, then asked whether species composition was associated with variation in flock characteristics (flock size and species richness). I identified the most frequent raid-attending species (those that attended raids most frequently relative to their mist-net capture rates), and bird species that performed specialized army ant-following behavior (bivouac-checking, which allows birds to memorize and track mobile army-ant colonies). There was significant turnover of bird species among zones (including the frequent and specialized attendants); patterns of species overlap suggested a gradual transition from a Pacific-slope to an Atlantic-slope raid-attending bird fauna. Raid-attendance frequency was positively correlated with bivouac-checking behavior. With few exceptions, the most frequent raid-attending bird species, and the bivouac-checking species, also participated in the most species-rich flocks. High species-gregariousness suggests many of the frequently attending and/or bivouac-checking species functioned as core flock members. However, some bird species pairs were significantly negatively associated at raids. Despite species turnover, per-flock numbers of birds at raids did not differ among geographic zones, but flocks on the Pacific-slope were heavier because larger bodied bird species attended raids. Previous studies showed that the size (biomass) of bird-flocks corresponds to the amount of food the birds kleptoparasitize from ant raids, and the heavier Pacific-slope bird-flocks could have greater negative kleptoparasitic impacts.
Defensive spines are associated with large geographic range but not diversification in spiny ants (Hymenoptera: Formicidae: Polyrhachis)
<p>Several prominent evolutionary theories propose mechanisms whereby the evolution of a defensive trait or suite of traits causes significant shifts in species diversification rate and niche evolution. We investigate the role of cuticular spines, a highly variable morphological defensive trait in the hyperdiverse ant genus <em>Polyrhachis</em>, on species diversification and geographic range size. Informed by key innovation theory and the escape-and-radiate hypothesis, we predicted that clades with longer spines would exhibit elevated rates of diversification and larger range sizes compared to clades with shorter spines. To address these predictions, we estimated phylogenetic relationships with a phylogenomic approach utilizing ultra-conserved elements (UCEs) and compiled morphological and biogeographic trait databases. In contrast to the first prediction, we found no association between diversification rate and any trait (spine length, body size, and range size). However, we recovered a positive correlation between spine length and geographic range size, suggesting that spines promote expanded geographic range. Notably, these results were consistent across analyses using different phylogenetic inference approaches and spine trait measurement schemes. This study provides a rare investigation of the role of a defensive trait on geographic range size, and ultimately supports the hypothesis that defensive spines are a factor in increased range size in <em>Polyrhachis</em> ants. Furthermore, the lack of support for an association between spines and diversification, which contrasts with previous work demonstrating a positive association between spines and diversification rate, is intriguing and warrants further study.</p>
Figure 10. Adult female Carrhotus viduus near Green Tree Ants. 1, Watching a in Ant associations of the jumping spider Carrhotus viduus in Karnataka, India (Araneae: Salticidae: Salticini)
Figure 10. Adult female Carrhotus viduus near Green Tree Ants. 1, Watching a column of ants at a distance.
Figure 9 in Ant associations of the jumping spider Carrhotus viduus in Karnataka, India (Araneae: Salticidae: Salticini)
Figure 9. Nests of Carrhotus viduus near a colony of Green Tree Ants. 1-3, Three views of Carrhotus nest containing pre-emergent second instar C. viduus. 4, Tape measure (20 inch extension) to indicate scale (nest shown by arrow at lower left). 5, Carrhotus (arrow) and nest (C) near Green Tree Ants (upper right). Note the nearby Myrmarachne plataleoides (O. Pickard Cambridge 1869) nests (M). M. plataleoides is a wellknown mimic of the Green Tree Ant. 6, Detail from (5), showing a male M. plataleoides tending to a female in her shelter (M, lower right). Photographs by Abhijith A. P. C.
Figure 8 in Ant associations of the jumping spider Carrhotus viduus in Karnataka, India (Araneae: Salticidae: Salticini)
Figure 8. Carrhotus viduus near Green Tree Ants as they tend aphids (Hemiptera: Aphidoidea) on Capsicum. Photographs by Abhijith A. P. C.
Figure 5 in Ant associations of the jumping spider Carrhotus viduus in Karnataka, India (Araneae: Salticidae: Salticini)
Figure 5. Association of Carrhotus viduus with an active colony of Green Tree Ants (Oecophylla smaragdina). 1, Immature C. viduus at upper left, near ant nest at upper right. 2-3, Two views of a C. viduus shelter (upper right) near Green Tree Ants. 4, Another C. viduus shelter (upper left) near Green Tree ants. Photographs by Abhijith A. P. C.
Figure 2 in Ant associations of the jumping spider Carrhotus viduus in Karnataka, India (Araneae: Salticidae: Salticini)
Figure 2. Carrhotus viduus nest near scale insects (Hemiptera: Coccoidea) tended by ants. 1, Note the position of the nest (arrow) below a group of scale insects tended by ants. 2, Detail showing spider within the nest, near a scale insect (right, center). Photographs by Sanath R. M.
Figure 7. Male Carrhotus viduus near Green Tree Ants. 1 in Ant associations of the jumping spider Carrhotus viduus in Karnataka, India (Araneae: Salticidae: Salticini)
Figure 7. Male Carrhotus viduus near Green Tree Ants. 1, Note the position of this male below the ants (arrow). 2, Male watching active group of Green Tree Ants. 3, Dorsal view of male. 4-5, Two views of male in shelter. Photographs by Abhijith A. P. C.
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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.