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1,024 results for “ground spider”
Figures 7-9 in The first lowland species of the Holarctic alpine ground spider genus Parasyrisca (Araneae, Gnaphosidae) from Hungary
Figures 7-9. Parasyrisca arrabonica Szinetár & Eichardt, sp. n. 7 male pedipalp, ventral view 8 same, semi-retrolateral view, showing the pointed tip of the conductor (c – arrowed) 9 same, retrolateral view. Scale bar = 0.3.
Figures 12-14 in The first lowland species of the Holarctic alpine ground spider genus Parasyrisca (Araneae, Gnaphosidae) from Hungary
Figures 12-14. Parasyrisca arrabonica Szinetár & Eichardt, sp. n., male habitus: 12 paratype from Orgovány, prosoma, dorsolateral view, showing the strong setae on the paturon 13 same specimen, dorsal view 14 same specimen, ventral view. Scale bar = 2.0.
Figures 1-6 in The first lowland species of the Holarctic alpine ground spider genus Parasyrisca (Araneae, Gnaphosidae) from Hungary
Figures 1-6. Parasyrisca arrabonica Szinetár & Eichardt, sp. n.: Male holotype: 1 pedipalp, prolateral view 2 same, ventral view 3 same, retrolateral view. Female: 4 epigyne, ventral view 5 vulva, dorsal view 6 posterior ridge (PRE) of the female epigyne, rear view. Scale bars: 1-3 0.3 4-6 0.2.
Figures 18-19 in The first lowland species of the Holarctic alpine ground spider genus Parasyrisca (Araneae, Gnaphosidae) from Hungary
Figures 18-19. Distribution maps of the genus Parasyrisca: 18 Eurasian distribution of the species groups of Parasyrisca (red, pink – potanini group, pink – P. arrabonica, P. turkenica, P. songi, yellow – vinosus group, light blue – guzeripli group, dark blue – breviceps group) 19 European distribution of Parasyrisca (red – potanini group, yellow – vinosus group). Yellow question marks represent doubtful records.
Fig. 2 in On the taxonomic validity of Indian ground spiders: II. Genera Drassyllus Chamberlin, 1922 and Nodocion Chamberlin, 1922 (Araneae: Gnaphosidae)
Fig. 2. Cryptodrassus khajuriai (Tikader & Gajbe, 1976) comb. nov., ♀, holotype of Drassyllus jabalpurensis Gajbe, 2005 (NZC-ZSI-5452/18). A. Habitus, dorsal view. B. Eyes of the same, dorsal view. C. Epigyne, ventral view. D. Same, dorsal view. E. Label from type bottle. Scale bars: A = 1 mm; B = 0.5 mm; C–D = 0.2 mm.
Fig. 1 in On the taxonomic validity of Indian ground spiders: II. Genera Drassyllus Chamberlin, 1922 and Nodocion Chamberlin, 1922 (Araneae: Gnaphosidae)
Fig. 1. Cryptodrassus khajuriai (Tikader & Gajbe, 1976) comb. nov., ♀, holotype of Drassyllus khajuriai Tikader & Gajbe, 1976 (NZC-ZSI-5043/18). A. Habitus, dorsal view. B. Eyes of the same, dorsal view. C. Epigyne, ventral view. D. Same, dorsal view. E. Label from type bottle. Scale bars: A = 1 mm; B = 0.5 mm; C–D = 0.2 mm.
Fig. 4 in On the taxonomic validity of Indian ground spiders: II. Genera Drassyllus Chamberlin, 1922 and Nodocion Chamberlin, 1922 (Araneae: Gnaphosidae)
Fig. 4. Cryptodrassus ratnagiriensis (Tikader & Gajbe, 1976) comb. nov., ♀, holotype of Drassyllus ratnagiriensis Tikader & Gajbe, 1976 (NZC-ZSI-5042/18). A. Habitus, dorsal view. B. Eyes of the same, dorsal view. C. Epigyne, ventral view. D. Same, dorsal view. E. Label from type bottle. Scale bars: A = 2 mm; B = 0.5 mm; C–D = 0.2 mm.
Vibroscape analysis reveals acoustic niche overlap and plastic alteration of vibratory courtship signals in ground-dwelling wolf spiders
<p>Soundscape ecology has enabled researchers to investigate natural interactions among biotic and abiotic sounds as well as their influence on local animals. To expand the scope of soundscape ecology to encompass substrate-borne vibrations (i.e. vibroscapes), we developed methods for recording and analyzing sounds produced by ground-dwelling arthropods to characterize the vibroscape of a deciduous forest floor using inexpensive contact microphone arrays followed by automated sound filtering and detection in large audio datasets. Through the collected data, we tested the hypothesis that closely related species of <em>Schizocosa</em> wolf spider partition their acoustic niche. In contrast to previous studies on acoustic niche partitioning, two closely related species - <em>S. stridulans</em> and <em>S. uetzi</em> - showed high acoustic niche overlap across space, time, and/or signal structure. Finally, we examined whether substrate-borne noise, including anthropogenic noise (e.g., airplanes) and heterospecific signals, promotes behavioral plasticity in signaling behavior to reduce the risk of signal interference. We found that all three focal <em>Schizocosa</em> species increased the dominant frequency of their vibratory courtship signals in noisier signaling environments. Also, <em>S. stridulans</em> males displayed increased vibratory signal complexity with an increased abundance of <em>S. uetzi</em>, their sister species with which they are highly overlapped in the acoustic niche.</p>
Figs 31–39 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 31–39. Hantu niah gen. et sp. nov., ZFMK Ar 15072–73. 31. Male prosoma, anterior view. 32. Male gonopore. 33. Male palpal tarsal organ. 34. Female prosoma, frontal view. 35. Tip of right procursus, retrolateral view. 36. Lamellae of left procursus, prolateral view. 37. Epigynum, ventral view. 38. Male ALS. 39. Comb-hairs on male tarsus 4. Scale lines: 8 µm (33); 10 µm (38–39); 30 µm (32, 35); 80 µm (36); 200 µm (31, 34, 37).
Figs 40–45 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 40–45. Female genitalia; untreated in ventral view, cleared in ventral and dorsal views. 40–42. Hantu kapit gen. et sp. nov., ZFMK Ar 15070. 43–45. Hantu niah gen. et sp. nov., ZFMK Ar 15073. At varying scales.
Figs 20–25 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 20–25. Hantu kapit gen. et sp. nov., ZFMK Ar 15069. 20. Tip of right procursus, retrolateral view. 21. Male palpal tarsal organ. 22. Trichobothrium base on male palpal tibia. 23. Male gonopore. 24. Male ALS. 25. Comb-hairs on male tarsus 4. Scale lines: 8 µm (21); 10 µm (22, 24–25); 40 µm (20, 23).
Figs 14–19 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 14–19. Hantu kapit gen. et sp. nov., ZFMK Ar 15069. 14–15. Male prosoma, frontal and slightly oblique frontal views. 16. Tip of right male palpal trochanter apophysis. 17. Male prosoma, oblique frontal view. 18. Left procursus and genital bulb, prolateral view. 19. Right procursus and bulb, retrolateral view (arrow points at ventral process on coxa). Abbreviations: b = genital bulb; e = embolus; p = procursus. Scale lines: 50 µm (16); 200 µm (14–15, 17–19).
Figs 26–30 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 26–30. Hantu niah gen. et sp. nov., ZFMK Ar 15072–73. 26–27. Left male palp, prolateral and retrolateral views (arrow points at ventral process on coxa). 28. Male chelicerae, frontal view. 29– 30. Cleared female genitalia, ventral and dorsal views. Abbreviations: b = genital bulb; e = embolus; p = procursus; tr = trochanter. Scale lines: 0.5 mm (26–27, 29–30); 0.3 mm (28).
Figs 8–13 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 8–13. Hantu kapit gen. et sp. nov., ZFMKAr 15069–70. 8–9. Left male palp, prolateral and retrolateral views (arrow points at ventral process on coxa). 10. Male prosoma, oblique frontal view. 11. Male chelicerae, frontal view. 12–13. Cleared female genitalia, dorsal and ventral views. Abbreviations: b = genital bulb; e = embolus; p = procursus; tr = trochanter. Scale lines: 0.5 mm (8–10); 0.3 mm (11–13).
Figs 1–6. Live specimens. 1–2 in A new genus of ground and litter-dwelling pholcine spiders from Sarawak (Araneae, Pholcidae)
Figs 1–6. Live specimens. 1–2. Hantu kapit gen. et sp. nov., Ƌ and ♀ from Kapit, Sarawak. 3–6. Hantu niah gen. et sp. nov., Ƌ and ♀ from Niah, Sarawak.
Figure 5 in Diel and seasonal activity of ground dwelling spiders (Araneae) in a sandy grassland habitat
Figure 5. Seasonal changes in the number of spider species dominating in the sandy grassland habitat (average of two years of research ± SE).
Figure 3 in Diel and seasonal activity of ground dwelling spiders (Araneae) in a sandy grassland habitat
Figure 3. Seasonal dynamics of the number of spiders from particular families (Roman numerals represent months, while Arabic numerals are the subsequent weeks of the month).
Figure 4 in Diel and seasonal activity of ground dwelling spiders (Araneae) in a sandy grassland habitat
Figure 4. Seasonal changes in the diel activity of dominant spider species in the sandy grassland habitat.
Linked collectors and determiners for: On the taxonomic validity of Indian ground spiders: II. Genera Drassyllus Chamberlin, 1922 and Nodocion Chamberlin, 1922 (Araneae: Gnaphosidae).
Natural history specimen data linked to collectors and determiners held within, "On the taxonomic validity of Indian ground spiders: II. Genera Drassyllus Chamberlin, 1922 and Nodocion Chamberlin, 1922 (Araneae: Gnaphosidae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/de4f2e41-d1c5-47c8-98af-548b7f9842bb">https://bionomia.net/dataset/de4f2e41-d1c5-47c8-98af-548b7f9842bb</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/de4f2e41-d1c5-47c8-98af-548b7f9842bb">https://gbif.org/dataset/de4f2e41-d1c5-47c8-98af-548b7f9842bb</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Description of Almafuerte, a new genus of ground spiders from South America (Araneae, Gnaphosidae).
Natural history specimen data linked to collectors and determiners held within, "Description of Almafuerte, a new genus of ground spiders from South America (Araneae, Gnaphosidae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/f1edbdd7-dc18-4c34-b236-fb45c9401096">https://bionomia.net/dataset/f1edbdd7-dc18-4c34-b236-fb45c9401096</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/f1edbdd7-dc18-4c34-b236-fb45c9401096">https://gbif.org/dataset/f1edbdd7-dc18-4c34-b236-fb45c9401096</a>. Formatted as a Frictionless Data package.
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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.