Papilio xuthus
Colour constancy in the swallowtail butterfly Papilio xuthus
... produced by the lamps, a 6 mm thick heat-blocking glass filter was placed between the lamps and the cage. The emission of light at wavelengths shorter than 400 nm became negligible under this experimental condition (Fig. ...
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Comprehensive microarray-based analysis for stage-specific larval camouflage pattern-associated genes in the swallowtail butterfly, Papilio xuthus
... Spectacular changes in color pattern are observed in the caterpillar of the swallowtail butterfly Papilio xuthus. As a young larva, it mimics bird droppings (mimetic pat- tern), and during the final molting ...
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The roles of visual parallax and edge attraction in the foraging behaviour of the butterfly Papilio xuthus
... Fig. 6. Edge targeting of Papilio xuthus butterflies. (A) Approaches are analysed in terms of the vertical visual angle (i.e. elevation) of the nearest edge of the target, and the instantaneous gradient of ...
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Color discrimination at the spatial resolution limit in a swallowtail butterfly, Papilio xuthus
... to Papilio xuthus, because of the difference in foraging habits of Papilio and ...honeybees. Papilio requires a larger area to perform free- flying foraging behavior and in preliminary ...
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Physiological responses of ionotropic histamine receptors, PxHCLA and PxHCLB, to neurotransmitter candidates in a butterfly, Papilio xuthus
... Fig. 1. Maximum likelihood tree showing relationships between Cys-loop chloride channel subunit nucleotide sequences of Apis mellifera, Nasonia vitripennis, Drosophila melanogaster, Musca domestica and Papilio ...
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Non linear amplification of graded voltage signals in the first order visual interneurons of the butterfly Papilio xuthus
... Lamina monopolar cells (LMCs) are the first-order visual interneurons of insects and crustacea, primarily involved in achromatic vision. Here, we investigated morphological and electrophysiological properties of LMCs in ...
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Two visual pigments in a single photoreceptor cell: identification and histological localization of three mRNAs encoding visual pigment opsins in the retina of the butterfly Papilio xuthus
... The Japanese yellow swallowtail Papilio xuthus has a complex retina with at least five types of photoreceptor cell, each of which possesses a different spectral sensitivity. The sensitivities peak in the ...
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Combined pigmentary and structural effects tune wing scale coloration to color vision in the swallowtail butterfly Papilio xuthus
... butterfly, Papilio xuthus , applying spectrophotometry, scatterometry, light and electron microscopy, and optical ...the Papilio color vision ...
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Simultaneous color contrast in the foraging swallowtail butterfly, Papilio xuthus
... We used laboratory-raised spring-form females of the Japanese yellow swallowtail butterfly, Papilio xuthus L. We first collected females in the field around the campus and let them lay eggs on citrus plants ...
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Ultraviolet and violet receptors express identical mRNA encoding an ultraviolet absorbing opsin: identification and histological localization of two mRNAs encoding short wavelength absorbing opsins in the retina of the butterfly Papilio xuthus
... when illuminated by ultraviolet light (Arikawa and Stavenga, 1997). The fluorescing material, probably 3-hydroxyretinol (Arikawa et al., 1999b), is concentrated in the distal one-fifth of the ommatidia (Fig. 4E; see Fig. ...
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Colour vision of the foraging swallowtail butterfly papilio xuthus
... Unexpectedly, the blue-trained butterflies could not distinguish the blue disk when the brightness was reduced to 80 % (Table 1). This phenomenon cannot be explained simply by the subjective brightness of the blue disk: ...
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Monopolatic motion vision in the butterfly Papilio xuthus
... P. xuthus is a product of its elaborate retinal organization, featuring eight spectrally distinct classes of photoreceptor (Koshitaka et ...P. xuthus exhibit some subtle differences between the dorsal and ...
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Papiliochrome II pigment reduces the angle dependency of structural wing colouration in nireus group papilionids
... The absorbance spectrum of the papiliochromeII pigment contained by the pale-yellow wing scales of Papilio xuthus was determined by measuring transmittance spectra of single wing scales immersed in a fluid ...
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Polarisation dependent colour vision in Papilio butterflies
... curved microvilli and thus probably reduced polarisation sensitivity. Alternatively, it can be assumed that only a subset of receptors in all ommatidia serve colour vision, whereas the others are used for motion vision. ...
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Preliminary analysis on the developmental transcriptomes of swallowtail butterfly Papilio polytes (Lepidoptera: Papilioidae)
... By comparison between the larval and pupal transcriptomes, 1,723 significantly differentially expressed genes were detected, including 1280 (74.3%) up-regulated and 443 (25.7%) down-regulated genes in the larval library. ...
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Random array of colour filters in the eyes of butterflies
... The compound eye of the Japanese yellow swallowtail butterfly Papilio xuthus is not uniform. In a combined histological, electrophysiological and optical study, we found that the eye of P. xuthus has ...
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Immunohistochemical localization of Papilio RBP in the eye of butterflies
... protein, Papilio RBP, whose ligand is 3-hydroxyretinol, in the compound eye of the Japanese yellow swallowtail butterfly Papilio xuthus (Wakakuwa et ...The Papilio RBP is a novel protein, for ...
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Does reflection polarization by plants influence colour perception in insects? Polarimetric measurements applied to a polarization sensitive model retina of Papilio butterflies
... egg-laying Papilio in terms of linear interactions among the different spectral types of ...in Papilio is guided by a single chromatic mechanism, that the most parsimonious retina model is the R–G–B model, ...
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Bio-patterns and larval ontogeny of PAPILIO POLYTES (L.) on seven different host plants of rutaceae family
... that, Papilio polytes could be treated as oligophagous and it has been shown wider range of potential host plants suitable for larval growth than the range of plants now used for ...of Papilio polytes: ...
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Uncertainty about flying conspecifics causes territorial contests of the Old World swallowtail, Papilio machaon
... Papilio machaon is the type species of the genus Papilio, and is widely found in the Palearctic region and North America [26]. Its large size and widespread distribution make it an ideal butterfly species ...
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