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401 results for “sac spider”
Figs 22–27 in Vendaphaea, a new dark sac spider genus apparently endemic to the Soutpansberg Mountains, South Africa (Araneae: Corinnidae)
Figs 22–27. Vendaphaea lajuma sp. n., male (22–25) and female (26, 27) genitalia: (22) left palp, prolateral view; (23) same, ventral view; (24) same, retrolateral view; (25) same, dorsal view; (26) epigyne, ventral view; (27) same, dorsal view. Scale bars = 0.25 mm.
Figs 18–21 in Vendaphaea, a new dark sac spider genus apparently endemic to the Soutpansberg Mountains, South Africa (Araneae: Corinnidae)
Figs 18–21. Scanning electron micrographs of Vendaphaea lajuma sp. n. genitalia: (18) male palp, dorsal view; (19) cymbial setae, enlarged; (20) male palpal tegulum, ventral view; (21) female epigyne, ventral view. Abbreviations: CD – conductor, CO – copulatory opening, CS – clavate cymbial setae, DL – dorsal lobe of palpal tibia, DSM – dorsal setal mat, EM – embolus, EP – epigynal plug, MA – median apophysis, MS – median septum, PCR – proximal cymbial ridge, SS – setal mat setae, TA – tibial apophysis.
Figure 1 in First record of egg sac predation of the fly Pseudogaurax cingulatus Sabrosky (Diptera, Chloropidae) upon spider Tetragnatha sp. (Araneae, Tetragnathidae) in northern Brazil
Figure 1. Geographic distribution of Pseudogaurax cingulatus Sabrosky (Diptera, Chloropidae) in Brazil.
Figures 6-10 in First record of egg sac predation of the fly Pseudogaurax cingulatus Sabrosky (Diptera, Chloropidae) upon spider Tetragnatha sp. (Araneae, Tetragnathidae) in northern Brazil
Figures 6-10. Pseudogaurax cingulatus Sabrosky (Diptera, Chloropidae) (female). (6) adult habitus (scale bar = 0.5 mm). (7) adult, dorsal view. (8) female terminalia in dorsal view (scale bar = 0.1 mm). (9) female terminalia in ventral view (scale bar = 0.1 mm). (10) puparium in dorsal view; anterior left side (scale bar = 1 mm). Abbreviations: cer, cercus; epi, epiproct; hypo, hypoproct; st 8, 8th abdominal sternite.
Figures 2-5 in First record of egg sac predation of the fly Pseudogaurax cingulatus Sabrosky (Diptera, Chloropidae) upon spider Tetragnatha sp. (Araneae, Tetragnathidae) in northern Brazil
Figures 2-5. Tetragnatha sp. (Araneae, Tetragnathidae) (female). (2) adult face, frontal view. (3) adult habitus, dorsal view. (4) adult habitus, ventral view. (5) egg sac, rectangle enlarging and showing opening and apex of the puparium from which one of the flies emerged.
Fig. 11 in Five new species of the long-legged sac spider genus Cheiracanthium C.L. Koch, 1839 (Araneae: Cheiracanthiidae) from China
Fig. 11. Distribution records of the five new species of Cheiracanthium in China.
Fig. 71 in Three new genera of tracheline sac spiders from southern Africa (Araneae: Corinnidae)
Fig. 71. Distribution of Fuchibotulus gen. n. species.
Fig. 100 in Three new genera of tracheline sac spiders from southern Africa (Araneae: Corinnidae)
Fig. 100. Distribution of Poachelas gen. n. species.
Fig. 40 in Three new genera of tracheline sac spiders from southern Africa (Araneae: Corinnidae)
Fig. 40. Distribution of Fuchiba aquilonia sp. n., F. capensis sp. n. and F. montana sp. n.
Fig. 19 in Spinotrachelas, a new genus of tracheline sac spiders from South Africa (Araneae: Corinnidae)
Fig. 19. Distribution of Spinotrachelas capensis sp. n.
Fig. 1 in Spinotrachelas, a new genus of tracheline sac spiders from South Africa (Araneae: Corinnidae)
Fig. 1. General habitus of male Spinotrachelas capensis sp. n. Scale bar = 1 mm.
Parasitoid development and superparasitism in invasive versus native widow spider host egg sacs
<p>The brown widow spider, <em>Latrodectus geometricus</em>, is a hazardous and highly invasive species globally. One of the suggested mechanisms enhancing this spider's invasiveness is lower susceptibility to natural enemies compared to other widow species. The parasitoid wasp, <em>Philolema latrodecti</em>, is known to attack egg sacs of <em>L. geometricus</em>, as well as those of other species of <em>Latrodectus</em>. Despite its potential importance as a natural enemy of <em>L. geometricus</em>, little is known about the development of this wasp and factors mediating its parasitism success. We investigated the development of this parasitoid in two widow spider host species, one native to Israel, the white widow, <em>L. pallidus</em>, and the invasive brown widow, <em>L. geometricus</em>. We compared wasp developmental success in egg sacs exposed to increasing wasp densities. We found increased wasp emergence and brood size, and smaller emerging wasp body size, with increasing wasp density. Across all wasp densities, more and larger parasitoids developed in the egg sacs of the native host species, <em>L. pallidus</em>, compared to the invasive host species, <em>L. geometricus</em>. Parasitoid sex ratio was highly female-biased and the proportion of males increased with wasp density, suggesting local mate competition. Overall, our results suggest that <em>L. pallidus</em> is a better host for the egg sac parasitoid <em>P. latrodecti</em>, which could give a competitive advantage to the less-affected invasive brown widow spider.</p>
Fig. 146 in A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae)
Fig. 146. Distribution of Patelloceto gen. n. species in the continental Afrotropical Region.
Fig. 105 in A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae)
Fig. 105. Distribution of Afroceto plana sp. n. and A. porrecta sp. n. in southern Africa.
Fig. 117 in A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae)
Fig. 117. Distribution of Afroceto rontunda sp. n. and A. spicula sp. n. in South Africa.
Fig. 55 in A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae)
Fig. 55. The distribution of Afroceto bulla sp. n. and A. bisulca sp. n. in South Africa.
Fig. 42 in A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae)
Fig. 42. The distribution of Afroceto martini (Simon, 1897) comb. n. in southern and East Africa.
Fig. 50 in A revision of the tracheline sac spider genus Cetonana Strand, 1929 in the Afrotropical Region, with descriptions of two new genera (Araneae Corinnidae)
Fig. 50. The distribution of Afroceto arca sp. n. in southern Africa.
Fig. 41 in A revision of the Afrotropical tracheline sac spider genus Thysanina Simon, 1910 (Araneae: Corinnidae)
Fig. 41. Distribution of Thysanina in the Afrotropical region.
Fig. 1 in A revision of the Afrotropical tracheline sac spider genus Thysanina Simon, 1910 (Araneae: Corinnidae)
Fig. 1. General appearance of Thysanina serica Simon, 1910.
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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.