Langelurillus alboguttatus

Langelurillus alboguttatus is a small spider. The male has a rather high, dark brown carapace that is typically 1.7 mm (0.067 in) long and 1.6 mm (0.063 in) wide.^[4] It has an eye field that is darker and marked with a wide streak down the middle. The clypeus is low and light brown. The chelicerae are light brown and hairy with no visible teeth. The labium is yellowish.^[8] The abdomen is similar in size to the carapace, typically 1.4 mm (0.055 in) long and 1.0 mm (0.039 in) wide.^[4] It is yellow on the top, covered in long brown hairs, with a wide fawn stripe, and yellowish-grey on the underside. The spinnerets are yellowish. The legs are generally short, have a yellowish-orange hue and have brown spines. The pedipalps are light brown, with three tibial apophysis, or spikes.^[8] It is the presence of these three tibial apophysis that most distinguishes the species from the closely related Langelurillus furcatus.^[4] The coiled embolus is hidden behind a shield.^[9] The female has not been described.^[1]

Almost all, if not all, Langelurillus spiders are to be found in sub-Saharan Africa.^[10] Langelurillus alboguttatus is endemic to Tanzania.^[1] The holotype was discovered in 1995 in the Mkomazi National Park It has been found in bushland areas of Acacia and Commiphora.^[4] It has only been identified in that reserve.^[11]