Anthonomus santacruzi  Anthonomus santacruzi is a weevil that is a promising biocontrol agent for "Solanum mauritianum" Scopoli, which is a major ecological weed in high-rainfall regions of South Africa. The weevil exhibited a preference for "S. mauritianum" and possibly two South African native species of "Solanum", namely "S. linnaeanum" and "S. tomentosum".