PycnacanthaPycnacantha is a genus of African orb-weaver spiders first described by John Blackwall in 1865.Species, this genus includes four species: Pycnacantha dinteri Meise, 1932 – Namibia Pycnacantha echinotes Meise, 1932 – Cameroon Pycnacantha fuscosa Simon, 1903 – Madagascar Pycnacantha tribulus – Malawi, Zimbabwe, Mozambique, South Africa