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1,362 results for “Mygalomorpha”
FIGURE 82 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 82. Actinopus itapitocai sp. nov., female: A–D MZSP 22113: A. Patella III, dorsal; B. Tibia III, dorsal; C. Patella IV, dorsal; D. Tibia IV, dorsal.
FIGURE 70 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 70. Actinopus rufipes (Lucas, 1834), female: A–F CAD 77: A. Abdomen, dorsal; B. Carapace, dorsal; C. Sternum, ventral; D. Cheliceral teeth, ventral; E. Rastellum, dorsal; F. Rastellum, ventral.
FIGURE 65 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 65. Actinopus nattereri (Doleschall, 1871), female: A–F IBSP 113544: A. Abdomen, dorsal; B. Carapace, dorsal; C. Sternum, ventral; D. Cheliceral teeth, ventral; E. Rastellum, dorsal; F. Rastellum, ventral. Scales lines B–C: 0.5 mm; D: 1 mm.
FIGURE 69 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 69. Actinopus rufipes (Lucas, 1834), male: A–D IBSP 113544: A. Patella III, dorsal; B. Tibia III, dorsal; C. Patella IV, dorsal; D. Tibia IV, dorsal.
FIGURE 40 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 40. Actinopus jaboticatubas sp. nov., male: A–D IBSP 113186: A. Patella III, dorsal; B. Tibia III, dorsal; C. Patella IV, dorsal; D. Tibia IV, dorsal.
FIGURE 68 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 68. Actinopus rufipes (Lucas, 1834), male: A–F IBSP 113544: A. Abdomen, dorsal; B. Carapace, dorsal; C. Sternum, ventral; D. Cheliceral teeth, ventral; E. Rastellum, dorsal; F. Rastellum, ventral.
FIGURE 67 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 67. Actinopus nattereri (Doleschall, 1871), male: A–C INPA 3511: A. Copulatory bulb, prolateral; B. Copulatory bulb, dorsal; C. Copulatory bulb, retrolateral. PA-Paraembolic apophysis; BTA-Basal Tegular Apophysis; PAc-Prolateral Accessory keel; PI-Prolateral Inferior keel; PS-Prolateral Superior keel; Arrow: Serrated area. Paratype, female: D IBSP 13544: D. Spermathecae, dorsal view. Scale line: Male: 1 mm, female: 0.5 mm. E INPA: E. Dorsal habitus, alive, with a big blue iridescent spot on dorsal abdomen. Photo: Thiago G. Carvalho.
FIGURE 27 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 27. Actinopus buritiensis sp. nov., holotype, male: A–F MCTP 2940: A. Abdomen, dorsal; B. Carapace, dorsal; C. Sternum, Dorsal; D. Cheliceral teeth, ventral; E. Rastellum, dorsal; F. Rastellum, ventral.
FIGURE 11 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 11. Actinopus castelo sp. nov., paratype, male: A–D MPEG 2399: A. Patella III, dorsal; B. Tibia III, dorsal; C. Patella IV, dorsal; D. Tibia IV, dorsal.
FIGURE 14 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 14. Actinopus apalai sp. nov., holotype, male: A–D MPEG 2276: A. Patella III, dorsal; B. Tibia III, dorsal; C. Patella IV, dorsal; D. Tibia IV, dorsal. Scale lines A–C: 0.5 mm.
FIGURE 10 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 10. Actinopus castelo sp. nov., paratype, male: A–F MPEG 2399: A. Abdomen, dorsal; B. Carapace, dorsal; C. Sternum, ventral; D. Cheliceral teeth, ventral; E. Rastellum, dorsal; F. Rastellum, ventral.
FIGURE 1 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
FIGURE 1. Actinopus rufipes (Lucas, 1834), female: A–C CAD 77: A. Dorsal habitus; B. Burrows, with doors closed. Red arrows: Doors; C. Burrow with a specimen. Images: J. P. L. Guadanucci
MAP 6 in Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae)
MAP 6. Distribution map of Actinopus laventana sp. nov., Actinopus bocaina sp. nov., Actinopus emas sp. nov., Actinopus pusillus Mello-Leit"o, 1920, Actinopus paranensis Mello-Leit"o, 1920, Actinopus dubiomaculatus Mello-Leit"o, 1923, and Actinopus crassipes (Keyserling, 1891).
Same place, different stories: Disparate evolutionary trends of Mygalomorphae from the peripampasic orogenic arc
<p><b>Aim:</b> Comparative phylogeography seeks to unravel similarities in the population structure and evolutionary processes undergone by co-distributed taxa under the assumption that they will have experienced the same geoclimatic events. However, small differences in functional traits, particularly those related to dispersal abilities, may translate into incongruent evolutionary histories. Here, we used a sequence target multi-locus approach to infer and compare the phylogeographical patterns of three sympatric mygalomorph spiders in the Argentinean peripampasic orogenic arc.</p> <p><b>Location:</b> The mountainous systems of central and northern Argentina.</p> <p><b>Taxon:</b> Mygalomorphae spiders (Araneae)</p> <p><b>Methods:</b> We inferred the phylogeny of three species of mygalomorph spiders based on <i>16</i>S+L1+nad1 and ITS sequences from o<span>ne hundred and thirty-four </span>individuals by using a Bayesian and Maximum likelihood approaches and we also estimated divergence dates. Also, nuclear networks were inferred. Based on our molecular phylogeny, we reconstructed <span>ancestral areas using the the Bayesian Binary MCMC method</span>.</p> <p><b>Results:</b> A deep genetic divergence and highly structured populations was obtained in the pycnothelid <i>Acanthogonatus centralis</i>, whereas the theraphosids <i>Plesiopelma longisternale </i>and <i>Grammostola vachoni </i>showed shallow divergences and poorly structured populations. Additionally, we uncovered potentially overlooked species diversity within <i>G</i>. <i>vachoni</i>, which warrants conducting a full taxonomic revision of <i>Grammostola</i>.</p> <p><b>Main conclusions:</b> We propose that differences in dispersion rates and time of colonization between the theraphosids and the pycnothelid led to divergent lineage history despite common environmental conditions. Our results further corroborate the key role played of the Plio-Pleistocene geoclimatic events in shaping the present-day diversity of mygalomorph spiders along the peripampasic orogenic arc.</p>
Figure 2 from: Songsangchote C, Sippawat Z, Khaikaew W, Chomphuphuang N (2022) A new genus of bamboo culm tarantula from Thailand (Araneae, Mygalomorphae, Theraphosidae). ZooKeys 1080: 1-19. https://doi.org/10.3897/zookeys.1080.76876
Figure 2 Distribution records of Taksinus bambus sp. nov. from Tak province, Thailand, and some arboreal Ornithoctoninae (Gabriel and Sherwood 2019), which demonstrate the separation of the genera by color. The topographic map of Southeast Asia and data were obtained from OpenStreetMap and OpenStreetMap Foundation OpenStreetMap (https://www.openstreetmap.org).
Figure 3 from: Songsangchote C, Sippawat Z, Khaikaew W, Chomphuphuang N (2022) A new genus of bamboo culm tarantula from Thailand (Araneae, Mygalomorphae, Theraphosidae). ZooKeys 1080: 1-19. https://doi.org/10.3897/zookeys.1080.76876
Figure 3 Taksinus bambus sp. nov. Holotype ♂ TAK1 A chelicerae, retrolateral view B maxilla, prolateral view C palpi, labium, maxilla, and coxae, ventral view. Scale bars: 1 mm.
Figure 6 from: Songsangchote C, Sippawat Z, Khaikaew W, Chomphuphuang N (2022) A new genus of bamboo culm tarantula from Thailand (Araneae, Mygalomorphae, Theraphosidae). ZooKeys 1080: 1-19. https://doi.org/10.3897/zookeys.1080.76876
Figure 6 Taksinus bambus sp. nov. Paratype ♀ TAK3 (A, B, D) Paratype ♀ TAK2 (C). A carapace, dorsal view B sternum, labium, maxilla, and coxae, ventral view C maxilla, prolateral view D maxillae and labium with cuspules. Scale bars: 1 mm.
Figures 8 from: Songsangchote C, Sippawat Z, Khaikaew W, Chomphuphuang N (2022) A new genus of bamboo culm tarantula from Thailand (Araneae, Mygalomorphae, Theraphosidae). ZooKeys 1080: 1-19. https://doi.org/10.3897/zookeys.1080.76876
Figures 8 Taksinus bambus sp. nov. from Tak province, Thailand A biotope, bamboo forests in mountainous slope areas B tarantula habitat in bamboo culm with entrance hole (below) and secondary entrance (upper) C, D tarantula in bamboo culm E tarantula building silk tube retreats on the cover culm F paratype ♀, TAK3 T. bambus alive.
Figure 4 from: Songsangchote C, Sippawat Z, Khaikaew W, Chomphuphuang N (2022) A new genus of bamboo culm tarantula from Thailand (Araneae, Mygalomorphae, Theraphosidae). ZooKeys 1080: 1-19. https://doi.org/10.3897/zookeys.1080.76876
Figure 4 Taksinus bambus sp. nov. Holotype ♂ TAK1. Tibial apophysis A ventral view B apical view C prolateral view D dorsal view. Scale bars: 1 mm.
Figures 7 from: Songsangchote C, Sippawat Z, Khaikaew W, Chomphuphuang N (2022) A new genus of bamboo culm tarantula from Thailand (Araneae, Mygalomorphae, Theraphosidae). ZooKeys 1080: 1-19. https://doi.org/10.3897/zookeys.1080.76876
Figures 7 Taksinus bambus sp. nov. paratype ♀ TAK2 (A–E) paratype ♀ TAK3 (F). A chelicerae, prolateral view B chelicerae, retrolateral view C plumose hairs outer chelicerae, retrolateral view D chelicerae strikers, retrolateral view E spermathecae, dorsal view F spermathecae, dorsal view. Scale bars: 1 mm.
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