A comparison of adhesive performance among six cursorial spider species

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  A comparison of adhesive performance among six cursorial spider species Abstract The ability to adhere to surfaces is particularly relevant for cursorial predatory arthropods like hunting spiders, which often traverse relatively complex environments characterized by large variation in substrate properties. Here, we evaluated the adhesive performance of six hunting spider species that are common in eastern temperate North America and lack specialized tarsi for climbing smooth or inclined surfaces [Lycosidae: Pardosa lapidicina Emerton, 1885 and Rabidosa rabida (Walckenaer, 1837); Oxyopidae: Oxyopes salticus Hentz, 1845; Pisauridae: Pisaurina mira (Walckenaer, 1837); Dolomedidae: Dolomedes triton (Walckenaer, 1837), and Dolomedes scriptus Hentz, 1845]. We tested adhesion performance as shear load resistance (g) on a glass plate, and as the angle of failure (°) when the plate was gradually inclined relative to horizontal. Average angle of failure and shear resistance differed among ...

The genome sequence of a running crab spider, Tibellus oblongus (Walckenaer, 1802) (Araneae: Philodromidae)

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The genome sequence of a running crab spider, Tibellus oblongus (Walckenaer, 1802) (Araneae: Philodromidae)

Abstract

We present a genome assembly from an individual female Tibellus oblongus (running crab spider; Arthropoda; Arachnida; Araneae; Philodromidae). The assembly contains two haplotypes with total lengths of 3 189.47 megabases and 3 294.81 megabases. Of haplotype 1 and haplotype 2, 99.03% and 91.65% of the sequence, respectively, are scaffolded into 13 chromosomal pseudomolecules, including X1 and X2. The mitochondrial genome has also been assembled, with a length of 14.37 kilobases. This assembly was generated as part of the Darwin Tree of Life project, which produces reference genomes for eukaryotic species found in Britain and Ireland.

Sivell O, Henriques S, Natural History Museum Genome Acquisition Lab et al. The genome sequence of a running crab spider, Tibellus oblongus (Walckenaer, 1802) (Araneae: Philodromidae) [version 1; peer review: awaiting peer review]. Wellcome Open Res 2025, 10:651 (https://doi.org/10.12688/wellcomeopenres.25198.1)