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5,053 results for “Arachnidae”
Figure 10 in Name-bearing types of scorpions deposited at the Institute of Ecology and Systematics, Havana, Cuba (Arachnida: Scorpiones)
Figure 10: Heteronebo pumilus. Female holotype. A, Carapace and left pedipalp; B, pedipalpal chela, ventral aspect; C, metasomal segments IV–V and telson, dorsal aspect; D, metasomal segments IV–V, ventral aspect.
Figures 2–3 in Scorpions of Iran (Arachnida, Scorpiones). Part IV. Kohgilouyeh & Boyer Ahmad Province
Figures 2–3: Iran, Kohgilouyeh & Boyer Ahmad Prov. 2. Behbahan to Gachsaran (Dogonbadan) road, 30º28'36"N 50º30'05", 498 m a.s.l. (Locality No. Y-1). Locality where Mesobuthus eupeus phillipsii (Pocock, 1889), Odontobuthus bidentatus Lourenço et Pézier, 2002 and Scorpio maurus townsendi (Pocock, 1900) were documented. 3. Yasuj, Deelaroo Village, 30º33'44"N 50º44'44"E, 820 m a.s.l. (Locality No. Y-2). Locality where Compsobuthus matthiesseni (Birula, 1905), Hottentotta zagrosensis Kovařík, 1997, Mesobuthus eupeus phillipsii (Pocock, 1889), Orthochirus iranus Kovařík, 2004, Razianus zarudnyi (Birula, 1903) and Hemiscorpius lepturus Peters, 1861 were documented.
Figure 1 in Scorpions of Iran (Arachnida, Scorpiones). Part IV. Kohgilouyeh & Boyer Ahmad Province
Figure 1: Map of southwestern Asia highlighting Iran (top) and closeup of Iran showing provinces, the Kohgilouyeh & Boyer Ahmad Province depicted in black (bottom).
Figure 4 in Scorpions of Iran (Arachnida, Scorpiones). Part IV. Kohgilouyeh & Boyer Ahmad Province
Figure 4: Map of Kohgilouyeh & Boyer Ahmad Province showing distribution of Androctonus crassicauda, Compsobuthus matthiesseni, Hottentotta saulcyi, and H. zagrosensis collected in this study.
Figs 1–5. Trichonephila clavata. 1 in NEW FOR THE ASIAN PART OF RUSSIA TAXA OF SPIDERS (ARACHNIDA: ARANEI)
Figs 1–5. Trichonephila clavata. 1– body, dorsal view; 2 – same, ventral view; 3 – epigyne, dorsal view; 4 – same, ventral view; 5 – living specimen. Abbreviation: Re – receptacle. Scale bars = 5 mm (1, 2), 0.2 mm (3, 4).
Fig. 14 in NEW FOR THE ASIAN PART OF RUSSIA TAXA OF SPIDERS (ARACHNIDA: ARANEI)
Fig. 14. Distribution map of Takeoa spp. Squares – T. nishimurai (red symbol – new record, black symbols – previous records); circle – T. huangshan.
Figs 6–12. Takeoa nishimurai. 6 in NEW FOR THE ASIAN PART OF RUSSIA TAXA OF SPIDERS (ARACHNIDA: ARANEI)
Figs 6–12. Takeoa nishimurai. 6 – body, dorsal view; 7 – same, ventral view; 8, 9 – epigyne, dorsal view; 10 – same, ventral view; 11 – habitat; 12 – living specimens. Abbreviations: CD – copulatory ducts, DS – dorsal part of scape, Fo – fovea, HL – handle of lip of epigyne, Li – lip of epigyne, Re – receptacle, RH – receptacle head, Sc – scape, VS – ventral part of scape. Scale bars = 2 mm (6, 7), 0.2 mm (8–10).
Fig. 13 in NEW FOR THE ASIAN PART OF RUSSIA TAXA OF SPIDERS (ARACHNIDA: ARANEI)
Fig. 13. Distribution map of Trichonephila clavata. Red square – new record, black squares – previous records, black squares with question marks – records without precise location.
Figs 2-6. Agonistic behavior between a in The hard task of a short-tailed mouse opossum (Monodelphis) to prey a harvestman (Arachnida: Opiliones)
Figs 2-6. Agonistic behavior between a harvestman of the family Gonyleptidae and the mouse opossum Monodelphis dimidiata (Wagner, 1847). The interaction starts with the mouse opossum in an attack position, facing the harvestman (Fig. 2), then the marsupial staggers side to side (Fig. 3) and is knocked out (Fig. 4). This sequence of events is repeated two times, until the mouse opossum assumes its third attack position and attacks the harvestman (Fig. 5). The mouse opossum removes the harvestman's legs one by one to then feed on its body (Fig. 6). Image edited in the Inkscape software.
Fig. 1 in Checklist dos escorpiões (Arachnida, Scorpiones) do Mato Grosso do Sul, Brasil
Fig. 1. Escorpiões do estado do Mato Grosso do Sul, Brasil. A), Brazilobothriurus pantanalensis; B), Tityus serrulatus, fêmea; C-D), Tityus bahiensis, macho (C) e fêmea (D); E), Tityus paraguayensis, macho; F) Tityus trivittatus, macho. Fotos de M. C. Schneider (A), L. S. Carvalho (B), R. P. Indicatti (C-D), D. Araújo (E), V. F. Mattos (F).
Fig. 2 in Checklist dos escorpiões (Arachnida, Scorpiones) do Mato Grosso do Sul, Brasil
Fig. 2. Pontos de ocorrência de espécies de Scorpiones no estado do Mato Grosso do Sul. Cada ponto representa pelo menos uma ocorrência de pelo menos uma espécie de escorpião (GO, Goiás; MG, Minas Gerais; MS, Mato Grosso do Sul; MT, Mato Grosso; PR, Paraná; SP, São Paulo).
Fig 2 in Temporal variation in the spider assemblage (Arachnida, Araneae) in canopies of Callisthene fasciculata (Vochysiaceae) in the Brazilian Pantanal biome
Fig 2. Comparison of scores of the PCoA aXis generated from the distribution of nine groups in behavioral guilds of the assemblage of spiders in canopies of C. fasciculata between the different seasonal periods in the northern region of the Pantanal biome of Mato Grosso State, Brazil (z, High water; {, Receding water; …, Dry season; ", Rising water).
Figs 3, 4 in Temporal variation in the spider assemblage (Arachnida, Araneae) in canopies of Callisthene fasciculata (Vochysiaceae) in the Brazilian Pantanal biome
Figs 3, 4. Comparison between abundance (3) and richness (4) of the assemblage of spiders in canopies of C. fasciculata between the different seasonal periods in the northern region of the Pantanal biome of Mato Grosso State, Brazil.
Fig 5 in Temporal variation in the spider assemblage (Arachnida, Araneae) in canopies of Callisthene fasciculata (Vochysiaceae) in the Brazilian Pantanal biome
Fig 5. Comparison between abundance of juveniles and adults (females and males) of spiders in canopies of C. fasciculata between the different seasonal periods in the northern region of the Pantanal biome of Mato Grosso State, Brazil (P 1, High water; P2, Receding water; P3, Dry season; P , Rising water; F, Females; M, Males; I, Immatures).
Figure 1 in Two New Opilio Herbst, 1798 Species (Arachnida: Opiliones: Phalangiidae) From Caucasus Region
Figure 1. Geographic distributions of Opilio rossicus sp.n. (in Russia) and O. morini sp.n. (in Azerbaijan).
Figures 2-19 in Two New Opilio Herbst, 1798 Species (Arachnida: Opiliones: Phalangiidae) From Caucasus Region
Figures 2-19. Opilio rossicus sp.n.: 2 – male body, dorsal view; 3 – male body, lateral view; 4 – female body, dorsal view; 5 – eye mound, dorsal view (male or female); 6 – eye mound, lateral view (male or female); 7 – male femur I, dorsal view; 8 - male right pedipalp, mesal view; 9 – male right pedipalp, ectal view; 10- male right chelicera, ectal view; 11 – male right chelicera, mesal view; 12 - female right pedipalp, mesal view; 13 - female right pedipalp, ectal view; 14 - female right chelicera, mesal view; 15 – female right chelicera, ectal view; 16 – penis, dorsal view; 17 – penis, lateral view; 18 – glans of penis, dorsal view; 20 – glans of penis, lateral view.
Figures 20-36 in Two New Opilio Herbst, 1798 Species (Arachnida: Opiliones: Phalangiidae) From Caucasus Region
Figures 20-36. Opilio morini sp.n.: 20 – male body, dorsal view; 21 – male body, lateral view; 22 – female body, dorsal view; 23 –Male eye mound, dorsal view; 24 – male femur I, lateral view; 25 - male right pedipalp, mesal view; 26 – male right pedipalp, ectal view; 27 - male right chelicera, mesal view; 28 – male right chelicera, ectal view; 29 - female right pedipalp, mesal view; 30 – female right pedipalp, ectal view; 31- female right chelicera, mesal view; 32 – female right chelicera, ectal view; 33 – penis, dorsal view; 34 – penis, lateral view; 35 – glans of penis, dorsal view; 36 – glans of penis, lateral view.
Fig. 2 Optimisation o in Exploring the evolution and terrestrialization of scorpions (Arachnida: Scorpiones) with rocks and clocks
Fig. 2 Optimisation o_ book lung origin(s) on competing phylogenies o_ Chelicerata. a Scorpions as the sister group to other Arachnida (e.g. Weygoldt and Paulus 1979), implying either book lung loss in other Arachnida or book lung convergence between scorpions and tetrapulmonates. b Scorpions as sister group to Eurypterida (e.g. Dunlop and Braddy 2001), implying book lung convergence and
Fig. 3 Phylogenetic hypotheses o in Exploring the evolution and terrestrialization of scorpions (Arachnida: Scorpiones) with rocks and clocks
Fig. 3 Phylogenetic hypotheses o_ scorpion relationships, with representative taxa _or each major group. (A) Pandinus (Pandinopsis) dictator Pocock, 1888; (B) Cercophonius squama Gervais, 1844; (C) Iurus dufoureius Brullé, 1832; (D) Brotheas sp.; (E) Centruroides
Confirmation of Basitarsal Compound Slit Sensilla (BCSS) in scorpion genera Chaerilus and Scorpiops (Arachnida: Scorpiones)
<p><span>Basitarsal Compound Slit Sensilla (BCSS) are a cluster of mechanosensory structures, collectively composed of striated, curved, successive slits located at the prodistal end of basitarsus, forming into a fan-shaped configuration. It can efficiently detect and amplify substrate-borne micro-vibrational signals at a certain frequency range which cause slit deformation (Wang et al., 2019), being most sensitive to surface Rayleigh waves and crucial for locating the vibration source (but requires sensilla on multiple legs) (Brownwell & Farley, 1979). This structure, to my knowledge, has only been formally reported in three species, <em>Androctonus australis </em>(Linnaeus, 1758), <em>Heterometrus silenus</em> (Simon, 1884) and <em>Smeringurus mesaensis </em>(Stahnke, 1957) (Barth & Wadepuhl, 1975; Brownwell & Farley, 1979; Wang et al., 2019). The present work constitutes an informal observation (out of curiosity) of BCSS across 3 genera, confirming its presence (with different forms) in two of those genera.</span></p> <p><span>BCSS was confidently confirmed in all <em>Scorpiops</em> and <em>Chaerilus</em> species examined (see figures on subsequent pages). There appeared to be some interspecific differences (e.g., the proximal boundary that delineates the sensillar area) within the same genus, but I have not confirmed if those differences are stable and non-overlapping (i.e., diagnostic). Sensilla are closely associated with specific ecological adaptions which shape their phenotypic configurations. One of the most famous sensilla in scorpions is the trichobothrium, which serves as an important diagnostic character for many distinct lineages. Similarly, the constellation array on the externodistal surface of pedipalp fixed finger was also found to be diagnostic in some vaejovids. It is interesting to note the different configurations of slit sensilla between genera <em>Scorpiops</em> and <em>Chaerilus</em>, where in <em>Chaerilus</em> a long, accessory slit sensillum was always present external to the main sensillar area (on or near its boundary). Occasionally, several short striations (sensilla?) were also observed on the joint tubercle between the basi- and telotarsi. Unfortunately, due to the magnification constraint: I was not able to examine genera <em>Langxie</em> and <em>Qianxie</em> (both with highly slender basitarsi); I was not able to confidently identify the striation in genus <em>Olivierus</em> albeit observing a similar depression at the same location (BCSS of the much smaller species of <em>Scorpiops</em> (<em>S. jendeki</em> and <em>S. kovariki</em>) and <em>Chaerilus</em> were even more conspicuous).</span></p>
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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.