Pentalonia nigronervosa Coq. is an important pest of banana, cardamom and co]ocasia in Kerala. It is a vector of the virus causing the 'bunchy top' disease of banana and 'Katte' disease of cardamom. In a survey conducted during January 1988, dead aphids were observed inside the leaf axils of banana at Sreekaryam, Trivandrum district. The pathogen was isolated from the dead aphids in pure culture on potato dextrose agar medium and it was identified as Mucor circinelloides Van Tieghem.
