Cosmophasis thalassina
species of arachnid
Cosmophasis thalassina is a species of jumping spider found from Malaysia to Australia. It was probably dispersed to the gardens and the parks of Queensland by man.
Description
The carapace is covered with greenish-bronze and squamose copper hairs, with some black transverse bands. The opisthosoma is mostly dark, with a white collar at the front that continues beyond halfway along each side. Some transverse white marks can be seen in the frontal part. The dark legs bear white and bronze squamose hairs.
The metallic color has been found to be a combination of a first-order diffraction grating and an underlying broadband multilayer reflector. The grating directs mostly the blue spectral component away from the incoming direction, which, together with the white reflection, results in a yellow reflection from most angles. It feeds on ants.
Footnotes
References
Patoleta, Barbara & Zabka, Marek (1999): Salticidae (Arachnida: Araneae) of Islands off Australia.
“Cosmophasis thalassina” enters the record as species of arachnid. Crown Archives preserves that source wording while asking what Cosmophasis, thalassina and species can confirm, complicate or overturn.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Sep 12, 2025. The linked authority identifier is Q2197264. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1999.
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This entry incorporates text from “Cosmophasis thalassina” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.