Type Locality : Alto Takutu/Alto Essequibo, near Isherton
Etymology : The specific epithet is a matronym in honour of Sylvia Lucas (Instituto Butantan), the doyenne of Brazilian mygalomorph research, for her exceptional contributions to the field for over fifty years, and in recognition of her years of loyal friendship and
Nhandu sylviae sp. nov. is described from Guyana, representing the first record of the genus Nhandu Lucas, 1983 from Guyana and the first record in northern South America.
Arachnology 19(4): 708-712