Definition
A psylla is any of various plant lice (family Psyllidae) including economically important plant pests.
Above: The Acacia psyllid (Psylla uncatoides) and associated feeding injury on a leaflet of koa (Acacia koa).
A psylla is any of various plant lice (family Psyllidae) including economically important plant pests.
Above: The Acacia psyllid (Psylla uncatoides) and associated feeding injury on a leaflet of koa (Acacia koa).