Zygaspis nigraZygaspis nigra is a worm lizard species in the family Amphisbaenidae. The species is endemic to southern Africa.Geographic rangeZ. nigra is found in Angola, Botswana, the Caprivi strip, and Zambia.HabitatThe preferred habitat of Z. nigra is woodland on sandy soil.DescriptionA large worm lizard, Z. nigra may attain a snout-to-vent length of. It is colored black and white, with a speckled or marbled appearance. It is more blackish dorsally, and is more whitish ventrally. The snout is rounded.ReproductionZ. nigra is oviparous.