MonosporascusMonosporascus is a genus of fungi in the family Diatrypaceae. It has nine species. The type species, Monosporascus cannonballus, is a widespread plant pathogen that causes vine decline of melon and watermelon crops.Species Monosporascus brasiliensis Monosporascus caatingaensis Monosporascus cannonballus Monosporascus eutypoides Monosporascus ibericus Monosporascus monosporus Monosporascus mossoroensis Monosporascus nordestinus ''Monosporascus semiaridus''