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43 results for “Arctosa”
FIGURE 12 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 12. Arctosa cinerea (Fabricius, 1777), male. A. Bulbus, ventral view; B. Same, from above; C. Embolic division, posterior view; D. Median apophysis, dorsal view; E. Epigyne, ventral view.
FIGURE 2 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 2. Arctosa depectinata (Bösenberg & Strand, 1906), A. Female habitus, dorsal view; B. Male habitus, dorsal view; C. Male eyes and chelicerae, front view; D. Left male palp, ventral view; E. Same, retrolateral view; F. Epigyne, ventral view; G. Vulva, dorsal view.
FIGURE 7 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 7. Arctosa gougu Chen & Song, 1999, male, left, A. Bulbus, ventral view; B. Same, retrolateral view; C. Same, frontal view; D. Median apophysis, ventral view; E. Embolus, ventral view; F. Same, dorsal view.
FIGURE 1 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 1. Arctosa depectinata (Bösenberg & Strand, 1906), A. Left male palp, Same, ventral view; B. Same, retrolateral view; C. Epigyne, ventral view; D. Vulva, dorsal view.
FIGURE 10 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 10. Arctosa vaginalis Yu & Song, 1988, left male palp, A. Bulbus, ventral view; B. Same, frontal view.
FIGURE 9 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 9. Arctosa vaginalis Yu & Song, 1988, A. Male habitus, dorsal view; B. Female habitus, dorsal view; C. Male eyes and chelicerae, front view; D. Chelicera, arrow indicates stridulatory files on the anterior chelicerae; E. Left male palp, ventral view; F. Same, retrolateral view; G. Epigyne, ventral view; H. Vulva, dorsal view.
FIGURE 6 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 6. Arctosa gougu Chen & Song, 1999, A. Left male palp, ventral view; B. Same, retrolateral view.
FIGURE 11 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 11. Arctosa vaginalis Yu & Song, 1988, male, left, A. Bulbus, ventral view; B. Same, frontal view; C, Embolus, ventral view; D. Same, retrolateral view; E. Same, ventral view; F. Median apophysis, ventral view.
FIGURE 5 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 5. Arctosa gougu Chen & Song, 1999, A. Male habitus, dorsal view; B. Female habitus, dorsal view; C. Male eyes and chelicerae, front view; D. Left male palp, ventral view; E. Same, retrolateral view; F. Epigyne, ventral view; G. Vulva, dorsal view.
FIGURE 8 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 8. Arctosa vaginalis Yu & Song, 1988, A. Left male palp, ventral view; B. Same, retrolateral view; C. Epigyne, ventral view; D. Vulva, dorsal view.
FIGURES 2–8 in A new species of wolf-spider (Alopecosa ogorodica sp. n.) from the Russian Mountain Altai with remarks on Arctosa meitanensis Yin et al., 1993 (Araneae: Lycosidae)
FIGURES 2–8. Alopecosa ogorodica sp. n. 2. male left palp, ventral view; 3. male left palp, retrolateral view; 4. tegulum with tegular apophysis, prolatero-apical view; 5. terminal part with embolus, ventral view; 6. tegular apophysis, apical view; 7. epigyne, ventral view; 8. vulva, dorsal view. Scale bars: 0.1 mm.
FIGURES 25–28. Arctosa meitanensis. 25 in A new species of wolf-spider (Alopecosa ogorodica sp. n.) from the Russian Mountain Altai with remarks on Arctosa meitanensis Yin et al., 1993 (Araneae: Lycosidae)
FIGURES 25–28. Arctosa meitanensis. 25. male left palp, ventral view; 26. male left palp, retrolateral view; 27. terminal part with embolus, ventral view; 28. tegulum with tegular apophysis; 29. epigyne, ventral view; 30. vulva, dorsal view. Scale bars: 0.1 mm.
FIGURE 1 in A new species of wolf-spider (Alopecosa ogorodica sp. n.) from the Russian Mountain Altai with remarks on Arctosa meitanensis Yin et al., 1993 (Araneae: Lycosidae)
FIGURE 1. Collecting localities of Alopecosa ogorodica sp. n. (square) and Arctosa meitanensis (circle).
FIGURES 15–24 in A new species of wolf-spider (Alopecosa ogorodica sp. n.) from the Russian Mountain Altai with remarks on Arctosa meitanensis Yin et al., 1993 (Araneae: Lycosidae)
FIGURES 15–24. Alopecosa ogorodica sp. n., Alopecosa cuneata and Arctosa meitanensis. 15. first leg of A. ogorodica, prolateral view; 16, first leg of A. cuneata, prolateral view; 17, 21. male habitus, dorsal view (17 paratype of A. ogorodica); 18, 22. male habitus, ventral view; 19, 31. female habitus, dorsal view; 20, 24. female habitus, ventral view. Scale bars: 1 mm.
FIGURES 9–14 in A new species of wolf-spider (Alopecosa ogorodica sp. n.) from the Russian Mountain Altai with remarks on Arctosa meitanensis Yin et al., 1993 (Araneae: Lycosidae)
FIGURES 9–14. Alopecosa ogorodica sp. n. 9. terminal part with embolus, ventral view; 10. tip of terminal apophysis, ventral view; 11. tegulum with tegular apophysis, apical view; 12. terminal part with embolus, dorsal view; 13. tip of embolus, dorsal view; 14. tegulum with tegular apophysis, ventral view. Scale bars: 9, 12 0.2 mm; 10, 13 0.05 mm; 11 0.3 mm; 14 0.5 mm.
FIGURE 4. Arctosa tangguoi Wang, Li in The wolf spiders of three national parks in Northern Vietnam (Araneae: Lycosidae)
FIGURE 4. Arctosa tangguoi Wang, Li & Zhang, 2021. A—male habitus, dorsal view; B—female habitus, dorsal view; C—left male palp, bulbus, ventral view; D—same, retrolateral view; E—left male palp, ventral view; F—same, retrolateral view; G—epigyne, ventral view; H—vulva, dorsal view.
FIGURE 3. Arctosa tangguoi Wang, Li in The wolf spiders of three national parks in Northern Vietnam (Araneae: Lycosidae)
FIGURE 3. Arctosa tangguoi Wang, Li & Zhang, 2021. A—left male palp, ventral view; B—same, retrolateral view; C— epigyne, ventral view; D—vulva, dorsal view.
FIGURE 13 in Notes on three poorly known Arctosa species from China (Araneae: Lycosidae)
FIGURE 13. Distribution records of three Arctosa species in China.
Figs. 1–6 in First data on Arctosa wolf spiders (Araneae: Lycosidae) from Laos with description of a new species
Figs. 1–6. General appearance of Arctosa delaportei, new species (1), A. depectinata (2, 3), A. kiangsiensis (4, 5), and A. springiosa (6). 1, 2, 4, 6, male; 3, 5, female. Scale = 1 mm.
Population genetic structure Arctosa sanctaerosae
<p>The continued increase in the number of tourists visiting the Northern Gulf Coast (NGC), USA, in the last century, and the resulting sprawl of large cities along the coast, has degraded and fragmented the available habitat of Arctosa sanctaerosae, a wolf spider endemic to the secondary dunes of the white sandy beaches of the NGC. In addition to anthropogenic disturbance to this coastal region, hurricanes are an additional and natural perturbation to the ecosystem. The data presented here explore the status of populations of this species spanning the entire known range and the factors influencing population demography including anthropogenic disturbance and severe tropical storms. Using microsatellite markers, we were able to document the genetic structure of Arctosa sanctaerosae, including current and historical patterns of migration. These results combined with ecological and census data reveal the characteristics that have influenced population persistence: ecological variables affecting the recovery of the population clusters after severe tropical storms, genetic fragmentation due to anthropogenic disturbance, and their interaction. These findings demonstrate the significance that the high traffic beach communities of the NGC and their impact on the once intact contiguous dune ecosystem have on recovery after severe tropical storms. Contemporary modeling methods that compare current and historical levels of gene flow suggest Arctosa sanctaerosae has experienced a single, contiguous population subdivision, and the isolates reduced in size since the onset of commercial development of the NGC. These results point to the need for monitoring of the species and increased protection for this endangered habitat. </p>
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