Description of a new peacock spider from Cape Le Grand, Western Australia, with observations on display by males and females and comparative notes on the related Maratus volans (Araneae: Salticidae: Euophryinae: Maratus)

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Description of a new peacock spider from Cape Le Grand, Western Australia, with observations on display by males and females and comparative notes on the related Maratus volans (Araneae: Salticidae: Euophryinae: Maratus)

Journal Article•

Description of a new peacock spider from Cape Le Grand, Western Australia, with observations on display by males and females and comparative notes on the related Maratus volans (Araneae: Salticidae: Euophryinae: Maratus)

01 Jan 2014-Peckhamia-Vol. 114, Iss: 1, pp 1-38

TL;DR: A new peacock spider from Cape Le Grand, Western Australia, with observations on display by males and females and comparative notes on the related Maratus volans is described.

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Abstract: Description of a new peacock spider from Cape Le Grand, Western Australia, with observations on display by males and females and comparative notes on the related Maratus volans (Araneae: Salticidae: Euophryinae: Maratus) Jürgen C. Otto 1 and David E. Hill 2 1 19 Grevillea Avenue, St. Ives, New South Wales 2075, Australia, email jurgenotto@optusnet.com.au 2 213 Wild Horse Creek Drive, Simpsonville, SC 29680-6513, USA, email platycryptus@yahoo.com

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Journal Article•DOI•

A phylogenetic classification of jumping spiders (Araneae: Salticidae)

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Wayne P. Maddison¹•Institutions (1)

University of British Columbia¹

20 Nov 2015-Journal of Arachnology

TL;DR: The proposed relationships indicate that a strongly ant- like body has evolved at least 12 times in salticids, and a strongly beetle-like body at least 8 times, according to both molecular and morphological information.

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Abstract: The classification of jumping spiders (Salticidae) is revised to bring it into accord with recent phylogenetic work. Of the 610 recognized extant and fossil genera, 588 are placed at least to subfamily, most to tribe, based on both molecular and morphological information. The new subfamilies Onomastinae, Asemoneinae, and Eupoinae, and the new tribes Lapsiini, Tisanibini, Neonini, Mopsini, and Nannenini, are described. A new unranked clade, the Simonida, is recognized. Most other family-group taxa formerly ranked as subfamilies are given new status as tribes or subtribes. The large long-recognized clade recently called the Salticoida is ranked as a subfamily, the Salticinae, with the name Salticoida reassigned to its major subgroup (the sister group to the Amycoida). Heliophaninae Petrunkevitch and Pelleninae Petrunkevitch are considered junior synonyms of Chrysillini Simon and Harmochirina Simon respectively. Spartaeinae Wanless and Euophryini Simon are preserved despite older synonyms. The genus...

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149 citations

Journal Article•DOI•

Splendid coloration of the peacock spider Maratus splendens.

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Doekele G. Stavenga¹, Jürgen C. Otto, Bodo D. Wilts²•Institutions (2)

University of Groningen¹, University of Fribourg²

01 Aug 2016-Journal of the Royal Society Interface

TL;DR: Optical modelling revealed that the filament array constitutes a novel structural coloration system, which subtly fine tunes the scale reflectance to the observed blue coloration.

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Abstract: Jumping spiders are well known for their acute vision and often bright colours. The male peacock spider Maratus splendens is richly coloured by scales that cover the body. The colours of the white, cream and red scales, which have an elaborate shape with numerous spines, are pigmentary. Blue scales are unpigmented and have a structural colour, created by an intricate photonic system consisting of two chitinous layers with ridges, separated by an air gap, with on the inner sides of the chitin layers an array of filaments. We have characterized the optical properties of the scales by microspectrophotometry, imaging scatterometry and light and scanning electron microscopy. Optical modelling revealed that the filament array constitutes a novel structural coloration system, which subtly fine tunes the scale reflectance to the observed blue coloration.

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23 citations

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Salticidae (Araneae) of Oriental, Australian and Pacific Regions. 1., Genera Clynotis and Tara

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Marek Żabka

01 Jan 1987-Annales Zoologici

10 citations

Journal Article•DOI•

Doppler shift generated by a moving diffraction grating under incidence by polychromatic diffuse light

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Kokou B. Dossou¹•Institutions (1)

Centre for Ultrahigh Bandwidth Devices for Optical Systems¹

04 Mar 2016-arXiv: Optics

TL;DR: In this paper, the authors consider the spectral response of moving diffraction gratings, where the incident light extends over a broad angular range and where the diffracted light is observed from a specific angle.

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Abstract: We consider the spectral response of moving diffraction gratings, in which the incident light extends over a broad angular range and where the diffracted light is observed from a specific angle. We show that the dispersion relation between the frequency perceived by an observer who is looking at a moving grating and the incident frequency can exhibit some unique features, such as a flat band (i.e., a local minimum). An observer can see the light diffracted into a non-specular diffraction order from a multitude of incident light rays and the angle of incidence of each ray is frequency-dependent, as a consequence, when the grating is moving, each incident ray experiences a Doppler shift in frequency that depends on its angle of incidence. We find that remarkable features appear near a Wood anomaly where the angle of incidence, for a given diffraction angle, can change very quickly with frequency. This means that light of multiple frequencies and incident from multiple angles can be mixed by the motion of the grating into the same diffracted ray and their frequencies can be compressed into a narrower range. The existence of a flat band means that a moving grating can be used as a device to increase the intensity of the perceived diffracted light due to spectral compression. The properties of a grating in motion in sunlight can also be relevant to the study of naturally occurring gratings which are typically in oscillatory motion.

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6 citations

Journal Article•DOI•

Phylogenomics of peacock spiders and their kin (Salticidae: Maratus), with implications for the evolution of male courtship displays

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Madeline B. Girard¹, Damian O. Elias¹, Guilherme H. F. Azevedo², Ke Bi¹, Michael M. Kasumovic³, Julianne M. Waldock⁴, Erica Bree Rosenblum¹, Marshal Hedin² - Show less +4 more•Institutions (4)

University of California, Berkeley¹, San Diego State University², University of New South Wales³, Australian Museum⁴

17 Feb 2021-Biological Journal of The Linnean Society

TL;DR: This paper aims to demonstrate the efforts towards in-situ applicability of EMMARM, the objective of which is to provide real-time information about the physical properties of E.coli found in meat-eating animals.

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Abstract: 1Department of Environmental Science, Policy and Management, University of California, Berkeley, Berkeley, CA 94720-3114, USA 2Department of Biology, San Diego State University, San Diego, CA 92182-4614, USA 3Museum of Vertebrate Zoology, University of California, Berkeley, Berkeley, CA 94720-3160, USA 4Ecology & Evolution Research Centre, School of Biological, Earth & Environmental Sciences, UNSW, Sydney, 2052, NSW, Australia 5Collections and Research, Western Australian Museum, 49 Kew Street, Welshpool, 6106, Western Australia, Australia

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5 citations

Cites background or result from "Description of a new peacock spider..."

...The large, poorly resolved EM clade includes species from several groups as follows: M. clupeatus Otto & Hill 2014d (not a straggler), M. pardus Otto & Hill 2014c (from the volans group), M. australis Otto & Hill 2016b (from the tasmanicus group), and single sampled species from the flavus,…...
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...Otto & Hill (2014a) have discussed rapid evolution for certain members of this complex....
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...Five species not recovered as monophyletic on ML trees are recovered as exclusive groupings on tetrad trees [M. chrysomelas (Simon 1909), M. leo Otto & Hill 2014b + M. cf. leo, M. literatus Otto & Hill 2014b, M. neptunus Otto & Hill 2017a, M. aurantius Otto & Hill 2017a]....
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...Finally, researchers have discussed possible evidence for gene flow across species boundaries (Otto & Hill, 2014b, 2016a; Schubert, 2020), again blurring species limits, and testable using genetic data....
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...In both tetrad and ML results, M. pavonis specimens from Western Australia are more closely related to Western Australia M. maritimus Otto & Hill 2014b, with eastern M. pavonis populations phylogenetically closer to geographically adjacent M. literatus and M. leo (Figs 4, 5)....
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References

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Journal Article•DOI•

Multi-Modal Courtship in the Peacock Spider, Maratus volans (O.P.-Cambridge, 1874)

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Madeline B. Girard¹, Michael M. Kasumovic², Damian O. Elias¹•Institutions (2)

University of California, Berkeley¹, University of New South Wales²

27 Sep 2011-PLOS ONE

TL;DR: These recordings reveal and describe for the first time, that M. volans males use vibratory signals in addition to complex body ornaments and motion displays.

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Abstract: The peacock spider, Maratus volans, has one of the most elaborate courtship displays in arthropods. Using regular and high-speed video segments captured in the lab, we provide detailed descriptions of complete male courtship dances. As research on jumping spiders has demonstrated that males of some species produce vibrations concurrently with visual displays, we also used laser vibrometry to uncover such elements for this species. Our recordings reveal and describe for the first time, that M. volans males use vibratory signals in addition to complex body ornaments and motion displays. The peacock spider and other closely related species are outstanding study organisms for testing hypotheses about the evolution and functional significance of complex displays, thus, this descriptive study establishes a new model system for behavioral ecology, one that certainly stands to make important contributions to the field.

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99 citations

"Description of a new peacock spider..." refers background or result in this paper

...During its fan dance M. volans moves its fully extended legs III to the rear of the extended fan (Girard et al. 2011: 2-5 cycles/s; Figure 29)....
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...Observed cycles of movement during this display (~4/s, maximum rate ~6/s) agree with those reported by Girard et al. (2011)....
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...…Grand 16 ♀Maratus volans (O. Pickard-Cambridge 1874) Salticus volans O. Pickard-Cambridge 1874 Maratus amoenus Karsch 1878; Żabka 1987 Saitis volans : Simon 1901; Ridewood 1913; Butler 1933; Dunn 1947 Maratus volans : Żabka 1991; Hill 2009; Otto & Hill 2011; Girard et al. 2011 Specimens examined....
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...…Cape Le Grand 27 Peckhamia 114.1 Maratus from Cape Le Grand 28The courtship display of male Maratus volans has been studied in more detail that that of any other members of the genus, and includes both vibratory and visual components (Hill 2009, Girard et al. 2011, Otto & Hill 2011, Otto 2011)....
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...This includes intermittent bilateral pedipalp flicker, opisthosomal bobbing, leg III wave, fan dance, fan flapping, and pre-mount display (Girard et al. 2011: Table 1)....
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Journal Article•DOI•

On some new genera and species of Araneidea

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M.A. c. Rev. O. P. Cambridge

21 Aug 2009

70 citations

"Description of a new peacock spider..." refers background in this paper

...This spider shares a number of characters with M. volans (O. Pickard-Cambridge 1874), and both are assigned to a new clade (the volans group) within the genus Maratus....
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...Because of a number of morphological and behavioural characters shared with M. volans (O. Pickard-Cambridge 1874), this new species is assigned with M. volans to a new clade, the volans group, within the genus Maratus....
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...1 2 Cape Le GrandRavensthorpe Peckhamia 114.1 Maratus from Cape Le Grand 16 ♀Maratus volans (O. Pickard-Cambridge 1874) Salticus volans O. Pickard-Cambridge 1874 Maratus amoenus Karsch 1878; Żabka 1987 Saitis volans : Simon 1901; Ridewood 1913; Butler 1933; Dunn 1947 Maratus volans : Żabka 1991;…...
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...Ventral to posterior (lateral in normal position) views of the left pedipalp of two different male M. volans (O. Pickard-Cambridge 1874) from Ku-ring-gai Chase National Park near Sydney....
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Journal Article•DOI•

Descriptions of some new Araneidae of New South Wales. No. 1

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W. J. Rainbow

01 Jan 1893

TL;DR: In this article, Descriptions of some new Araneidae of New South Wales were given, including the genus Araneus and the family of Aranea, and they were described in detail in the Annals and Magazine of Natural History.

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Abstract: (1895). Descriptions of some new Araneidae of New South Wales. Annals and Magazine of Natural History: Vol. 16, No. 94, pp. 352-352.

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28 citations

"Description of a new peacock spider..." refers background or result in this paper

...splendens (Rainbow 1896), but those species also engaged in prolonged semaphore signalling without the fan, and they also moved their extended legs III apart more slowly or 'deliberately' during the fan dance (Hill & Otto 2011)....
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...We previously observed similar displays in M. pavonis (Dunn 1947) and M. splendens (Rainbow 1896), but those species also engaged in prolonged semaphore signalling without the fan, and they also moved their extended legs III apart more slowly or 'deliberately' during the fan dance (Hill & Otto…...
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Journal Article•

Notes on Maratus Karsch 1878 and related jumping spiders from Australia, with five new species (Araneae: Salticidae: Euophryinae), version 2

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J C Otto, D. E. Hill

01 Jan 2012-Peckhamia

23 citations

"Description of a new peacock spider..." refers result in this paper

...This is similar to the behaviour of females of other species of Maratus that we have studied (Otto & Hill 2012a, 2012b, 2013, 2014)....
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...The female of M. volans is similar to other Maratus that we have described from eastern Australia, most notably M. plumosus, M. calcitrans and M. digitatus (Otto & Hill 2012a, 2013)....
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Journal Article•

Salticidae (Araneae) of Oriental, Australian and Pacific Regions. 2, Genera Lycidas and Maratus

[...]

Marek Żabka

01 Jan 1987-Annales Zoologici

22 citations

"Description of a new peacock spider..." refers background in this paper

...…Maratus from Cape Le Grand 16 ♀Maratus volans (O. Pickard-Cambridge 1874) Salticus volans O. Pickard-Cambridge 1874 Maratus amoenus Karsch 1878; Żabka 1987 Saitis volans : Simon 1901; Ridewood 1913; Butler 1933; Dunn 1947 Maratus volans : Żabka 1991; Hill 2009; Otto & Hill 2011; Girard et al.…...
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