Stenaelurillus fuscatus

The spider is medium-sized. The spider's body is divided into two main parts: a pear-shaped cephalothorax and a more oval abdomen. The male has a carapace, the hard upper part of the cephalothorax, that is 2.6 mm (0.10 in) long and 2 mm (0.079 in) wide and an abdomen that is 2.8 mm (0.11 in) long and 2.0 mm (0.079 in) wide. The carapace is dark brown and has two faded white stripes on the thorax. The eye field is small, black and bristly. The underside of the cephalothorax, or sternum, is brownish-yellow or yellowish. The clypeus is brownish-yellow or light brown and has a covering of white and transparent hairs. The chelicerae are light brown and covered in short dark hairs. and there are two very small teeth visible at the front and one to the rear. The other mouthparts, the labium and maxillae, are orange. The abdomen is very hairy, with dense long black hairs dominating, although there is a small corridor of white hairs on the dark brown scutum that covers the majority of the surface. Underneath, the abdomen is yellowish, but this is hard to see, as are the traces of three darker stripes. The spider has long hairy yellow spinnerets. The legs and pedipalps are brown, the pedipalps also having long black hairs. The legs have dense brown hairs and darker spines. The copulatory organs are distinctive. …

Stenaelurillus spiders have been found across Africa. Stenaelurillus fuscatus lives in Kenya and Tanzania. The holotype was found near the Umba River in the Tanzanian Mkomazi National Park in 1995. It was also subsequently found in the forests of Matthews Range and the coastal regions of Kenya. It has been found in exposed environments, like rocks, and amongst shrubland found near rivers.