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2,644 results for “Jumping spiders”
Figs 10–18 in New species of ant-mimicking jumping spiders of the genus Myrmarachne MacLeay, 1839 (Araneae: Salticidae) from north Queensland, Australia
Figs 10–18. Myrmarachne aurea sp. nov., male (10, 11, 14–16): 10, 11, habitus, dorsal (10) and lateral (11) views; 14, 15, palpal tibia, cymbium and bulb, retrolateral (14), and ventral (15) views; 16, chelicera medio-lateral view; female (12, 13, 17, 18): 12, 13, habitus, dorsal (12) and lateral (13) views; 17, epigyne before maceration; 18, epigyne showing internal ducts. Scale lines: 1 mm for Figures 10–13; 100 μm for Figures 14, 15, 17, 18; 200 μm for Figure 16.
Figs 19–27 in New species of ant-mimicking jumping spiders of the genus Myrmarachne MacLeay, 1839 (Araneae: Salticidae) from north Queensland, Australia
Figs 19–27. Myrmarachne gurgulla sp. nov., male (19, 20, 23–25): 19, 20, habitus, dorsal (19) and lateral (20) views; 23, 24, palpal tibia, cymbium and bulb, retrolateral (23), and ventral (24) views; 25, chelicera medio-lateral view; female (21, 22, 26, 27): 21, 22, habitus, dorsal (21) and lateral (22) views; 26, epigyne before maceration; 27, epigyne showing internal ducts. Scale lines: 1 mm for Figures 19–22; 100 μm for Figures 23, 24, 26; 500 μm for Figure 25; 50 μm for Figure 27.
Figs 1–9 in New species of ant-mimicking jumping spiders of the genus Myrmarachne MacLeay, 1839 (Araneae: Salticidae) from north Queensland, Australia
Figs 1–9. Myrmarachne rubra sp. nov., male (1, 2, 5–7): 1, 2, habitus, dorsal (1) and lateral (2) views; 5, 6, palpal tibia, cymbium and bulb, retrolateral (5), and ventral (6) views; 7, chelicera medio-lateral view; female (3, 4, 8, 9): 3, 4, habitus, dorsal (3) and lateral (4) views; 8, epigyne before maceration; 9, epigyne showing internal ducts. Scale lines: 1 mm for Figures 1–4; 100 μm for Figures 5, 6, 8, 9; 500 μm for Figure 7.
Fig. 38 in New species of ant-mimicking jumping spiders of the genus Myrmarachne MacLeay, 1839 (Araneae: Salticidae) from north Queensland, Australia
Fig. 38. Dendrogram showing the divisive properties of the chelicera-to-carapace length ratio of the four Myrmarachne species from Townsville.
Data from: Multiple origins of sex chromosome fusions correlated with chiasma localization in Habronattus jumping spiders (Araneae: Salticidae)
Entelegyne spiders rarely show fusions yielding neo-Y chromosomes, which M. J. D. White attributed to a constraint in spiders, namely their proximal chiasma localization acting to upset meiotic segregation in males with fusions. Of the 75 taxa of Habronattus and outgroups studied, 47 have X1X20 sex chromosomes in males, 10 have X1X2Y, 15 have X1X2X3Y, 2 have X0, and one has both X1X20 and X1X2X3Y. Chromosome numbers and behavior suggest neo-Ys formed by an autosome-X fusion to make X1X2Y, with a second fusion to an autosome to make X1X2X3Y. Phylogeny shows at least 8-15 gains (or possibly some losses) of neo-Y (i.e. X-autosome fusions), a remarkable number for such a small clade. In contrast to the many X-autosome fusions, at most one autosome-autosome fusion is indicated. Origins of neo-Y are correlated significantly with distal localization of chiasmata, supporting White's hypothesis that evolution of neo-Y systems is facilitated by looser pairing (distal chiasmata) at meiosis. However, an alternative (or contributing) explanation for the correlation is that X-autosome fusions were selected to permit isolation of male-favored alleles to the neo-Y chromosome, aided by distal chiasmata limiting recombination. This intralocus sexual conflict hypothesis could explain both the many X-autosome fusions, and the stunning complexity of male Habronattus courtship displays.
Data from: Papuaneon, a new genus of jumping spiders from Papua New Guinea (Araneae: Salticidae: Neonini)
The genus Neon Simon stands alone as a phylogenetically isolated astioid jumping spider, the only member of the Neonini. The new genus Papuaneon is established for the jumping spider Papuaneon tualapa sp. nov. from Papua New Guinea. Resembling a large, hirsute Neon, it is here shown to be the sister group to Neon, based on data from the nuclear 28S and Actin 5C, and the mitochondrial 16SND1 region. Photographs of living specimens are provided.
Figure 1 in Trophobiotic relationship of the jumping spider Brettus cingulatus (Araneae: Salticidae: Spartaeini) with mealybugs (Hemiptera: Pseudococcidae) in Karnataka
Figure 1. Dominican Amber fossil of an Acropyga glaesaria ant queen (paratype
Figure 1 in Jumping spider (Araneae: Salticidae) feeding on the stalked eggs of a lacewing (Neuroptera: Chrysopidae) in Mumbai
Figure 1. Jumping spider feeding on a series of lacewing eggs (sequence 1-4). 3-4, Arrows show the
Figures 30-31 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 30-31. Phanuelus gladstone sp.nov. 30, Dorsal view of male. 31, Dorsal view of
Figure 62 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figure 62. Dorsal view of a subadult female Stenaelurillus
Figures 16-17 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 16-17. Male Mashonarus davidi sp.nov. 16, Dorsal view. 17, Lateral view.
Figures 6-9 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 6-9. Male Langona albolinea sp.nov. 6, Dorsal view. 7, Lateral view. 8-9, Front view.
Figures 1-5. Male Aelurillus kronestedti Azarkina, 2004. 1 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 1-5. Male Aelurillus kronestedti Azarkina, 2004. 1, Dorsal view.
Figures 26-29 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 26-29. Male Phanuelus gladstone sp.nov. 26, Dorsal view. 27, Lateral view. 28-29, Front
Figures 14-15 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 14-15. Left male palp, Langona albolinea sp.nov.
Figures 67-72 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 67-72. Left palp of Stenaelurillus sarojinae (♂ #1, Paratype NCBS-AL054). 67, Prolateral
Figure 75 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figure 75. Stenaelurillus sarojinae (♂ #2, Paratype NCBS-AL055), dorsal view of abdomen. Scale bar
Figures 18-21 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 18-21. Male Mashonarus davidi sp.nov. 18-19, Front view. 20, Dorsal view. 21, Ventral
Figures 10-13 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 10-13. Male Langona albolinea sp.nov. 10, Dorsal view. 11, Ventral view. 12, Left male
Figures 63-66 in Four new species of jumping spider (Araneae: Salticidae: Aelurillinae) with the description of a new genus from South India
Figures 63-66. Stenaelurillus sarojinae (♂ #1, paratype NCBS-AL054). 63, Dorsal view. 64, Ventral
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Allen Brain Atlas
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