Honeydew excreted by pear psylla, Cacopsylla (=Psylla) pyricola, fouled the surface of these pear fruit and induced the growth of blackish sooty mold.
Honeydew excreted by pear psylla, Cacopsylla (=Psylla) pyricola, fouled the surface of these pear fruit and induced the growth of blackish sooty mold. Credit: Jack Kelly Clark