Marma wesolowskae

Species of spider

Marma wesolowskae is a species of jumping spider in the genus Marma that is endemic to Brazil. It has only been found in Pernambuco. First described in 2020 by Alexandre Salgado and Gustavo Ruiz, the spider is small, typically between 3.38 and 4.01 mm in total length. The male is smaller than the female. The spider lives on sandstone and has generally a coloration that blends into the rock. The abdomen has a thick brown stripe down the middle of its back. The species can be distinguished from other members of the genus by its copulatory organs. The female has copulatory openings towards the back of the epigyne and a projecting border at the back of the eipigynal plate. The male has a long thin embolus and an embolic disc that differs from Marma nigritarsis, Marma pipa and Marma sinuosa.

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