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1,406 results for “Queensland”
Figure 32 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 32. Sequential but not consecutive video frames (1-10, 25fps, exposure/frame 20msec) showing a male Maratus sceletus displaying first to a female (at lower right in frames 1-6) on top of a narrow grass stem, then moving to display from the other side of the stem. Slight movements of the elevated and flexed right leg III are indicated with arrows (3-5). Display in either position involved very rapid movement of the spinnerets, and sometimes rapid lateral vibration of the elevated fan (frames 4-5). Between each brief episode of display (~0.6s above the stem as shown here), the male crouched low on the stem. Alternation between positions occurs many times throughout the courtship display, with ~1 change of position every 2s (0.5Hz).
Figure 24 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 24. Views of four different female Maratus sceletus. Pedipalps, chelicerae, the sides of the carapace, and legs I and II are primarily light-brown, translucent, and glabrous. Cuticle of the eye region and complex dorsal patterns of the opisthosoma are dark. Note the bold V-shaped pattern toward the rear of the opisthosoma (3, 6, 9). Otherwise the white to grey setation is fairly uniform.
Figure 27 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 27. Four different female Maratus sceletus in ethanol. The dark pigmentation of the eye region, lighter orange colour of the posterior carapace, and the dark patterns of the opisthosoma stand out in these specimens. Other areas of the cuticle, normally translucent brown, faded to white in ethanol.
Figure 22 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 22. Views of male Maratus sceletus in alcohol. 5, Detail of scales from the fan corresponding to the
Figure 38 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 38. Displaying males of the calcitrans group. 1-2, M. calcitrans. 3-5, M. digitatus. 6-7, M. jactatus. 8-9, M. plumosus. 10-11, M. sceletus.
Figure 21 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 21. Underside of three different male Maratus sceletus. White setae are more prominent on the coxae of legs III and IV. Dark bands separate the white lateral bands of the opisthosoma from the light-brown (or splotched, 2) venter.
Figure 23 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 23. Views of the left pedipalp of four different male Maratus sceletus. 12, Detailed view of holotype, showing clear separation between the large, blunt outer apex and the smaller, pointed inner apex of the embolus.
Figure 14 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 14. Consecutive video frames (1-24, 25fps, exposure/frame 20msec, ~1s total duration) depicting the fan dance of a male Maratus jactatus facing a female. Vertical arrows identify movement of the extended ipsilateral (right) leg III, behind the fan. Double arrows in frames 3 and 23 indicate rapid rocking movement of the entire body, occurring at ~1Hz in this sequence.
Figure 16 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 16. Three sets (1-4, 5-8, 9-12) of sequential video frames (not consecutive, from 1000fps clips) depicting rapid sideways rocking movement during the fan dance of a male Maratus jactatus facing a female. White diagonal lines indicate the approximate position of the prosomal sagittal plane at the beginning of each cycle of rocking movement, which is similar to its position at the end of that cycle. Yellow arrows identify the direction of movement of the body relative to its position in the previous frame. Each cycle, comprised of rapid ipsiplateral movement followed by a return to the original position, was completed in ~20-30msec. At slower frame rates (Figures 12-15; 25fps and exposure/frame 20msec), this movement is blurred and cannot be resolved.
Figure 20 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 20. Views of five additional male Maratus sceletus. 7, When the grey posterior opisthosoma and spinnerets (median and posterior pairs) are inflated during display, prominent black proximal and white distal fringes of the spinnerets may be seen clearly. Note the tuft of long white setae at either side of the spinnerets. The inflated portion of the posterior opisthosoma is not as large or prominent as in some other members of the calcitrans group (e.g., M. jactatus), but the spinnerets of M. sceletus are very rapidly, and separately (like fingers) waved during display. 8, Detail of the prominent white median setae that project forward between the AME and from the clypeus, offset by black setae and black cuticle on either side.
Figure 18 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 18. Views of four different male Maratus sceletus. Colours are primarily black and white. In one male (♂ #3, 6-9) bands of the dorsal opisthosoma were dark red rather than black. Note the prominent black stripes on the front of legs III (8). The prominent anteromedian tuft between the AME (3, 4) has not been observed in any other Maratus. As might be expected, up and down movements of the pedipalps play an important role in the display of male M. sceletus.
Figure 15 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 15. Consecutive video frames (1-24, 25fps, exposure/frame 20msec, ~1s total duration) depicting the fan dance of a male Maratus jactatus facing a female. Vertical arrows identify movement of the extended ipsilateral (left) leg III, behind the fan. Double arrows in frames 4 and 18 indicate rapid rocking movement of the entire body, occurring at ~1.4 Hz in this sequence.
Figure 35 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 35. Final approach of a male Maratus sceletus with legs III extended laterally and legs I extended to the front to touch the carapace of a female (1), and mating positions (2-4). As in other Maratus, the female can rotate her opisthosoma by 180°. Note the distinctive 'V' pattern at the rear of the female opisthosoma.
Figure 26 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 26. Rear view of opisthosoma and ventral view of epigyna of four different female Maratus sceletus. 1, Note the prominent V-shaped area of dark pigment toward the rear, and the longer, dark pair of posterior spinnerets surrounding the median spinnerets. 2-6, The posterior spermathecae range in size from slightly smaller to slightly larger than the fossae. Note the narrower bridge between the fossae in (6).
Figure 12 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 12. Consecutive video frames (1-24, 25fps, exposure/frame 20msec, ~1s total duration) depicting the fan dance of a male Maratus jactatus facing a female. Vertical arrows identify movement of the extended ipsilateral (right, same direction as tilt of the fan) leg III, behind the fan. Double arrows in frames 3, 11, and 20 indicate rapid (blurred images) lateral rocking movement of the body and fan that took place at a rate of 3/s (3Hz) in this sequence. During each cycle, the extended leg III was moved laterally (down in this example) in ~0.2-0.3s, then moved medially more rapidly in less than 0.1s just before the onset of rocking movement.
Figure 13 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 13. Consecutive video frames (1-24, 25fps, exposure/frame 20msec, ~0.8s total duration) depicting the fan dance of a male Maratus jactatus facing a female. Vertical arrows identify movement of the extended ipsilateral (left) leg III, behind the fan. Double arrows in frames 6 and 18-19 indicate rapid rocking movement of the entire body, occurring at ~2Hz in this sequence.
Figure 11 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 11. Positions assumed by male Maratus jactatus during their courtship display, facing a female. 1, Signalling with one leg III extended, without an expanded fan. 4-5, Expanded (4) and retracted (5) fan.
Figure 10 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 10. Positions assumed during the fan dance of a male Maratus jactatus facing a female. As with other members of the calcitrans group, this display is assymetric, involving rotation of the expanded fan and spinnerets toward one side, and movement of the extended ipsilateral leg III, usually behind the fan. The inflated spinnerets are moved little during the display, but the pedipalps may be moved up and down in unison from time to time.
Figure 9 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 9. Reared immature Maratus jactatus. As a convention, we consider the first free-living forms to emerge from the eggsac to be instar 2.
Figure 2 in Two new peacock spiders of the calcitrans group from southern Queensland (Araneae: Salticidae: Euophryinae: Maratus)
Figure 2. Paratype (1-6, ♂ #3; 7-9, ♂ #4) male Maratus jactatus. 2-3, Views of opisthosoma with lateral flaps retracted (2) and expanded (3). 5, The PME are nearly equidistant between the ALE and the PLE. 6, Posterior view of carapace. An indistinct median tract of light brown scales extends half-way from the posterior eye row to the posterior margin of the carapace. Note the presence of red setae on the front of the chelicerae (4, 8).
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.