Stenaelurillus darwini

Uncommon card · No. 184329

Stenaelurillus darwini is a species of jumping spider in the genus Stenaelurillus, found in Tanzania and Kenya. It has been found across a range of environments, from bushland to montane grasslands and forests. During a survey in Tanzania's Mkomazi National Park it was noted as more common than many other ground-active jumping spiders. It is a medium-sized spider typically between 5.15 and 6.75 mm (0.203 and 0.266 in) in body length, with the females larger than the males. They have brown or dark brown thoraxes with four white stripes running down their length, two along the back and one on each side and the males have a distinctive dark brown abdomen with a central small white arrow or diamond. The females' reproductive organs are very uncommon in having "flaps" over their copulatory openings. The spider was first described in 2000 and given the species name darwini after Charles Darwin and the assistance provided by the Darwin Initiative to the study by Wanda Wesołowska and Anthony Russell...

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