plum sawfly (hoplocampa flava) on plum blossoms.

agricultural agriculture animal arthropod background black blossoms body bore branch butterfly caterpillar causing cherry closeup control crops damage diseases flava flower food fruit fruits garden gardening gardens green home hoplocampa horticulture hymenoptera important insect insecticide invertebrate larva larvae leaf macro minuta moth natural nature orchard orchards pest pesticide pesticides pests petal plant plum plums produce sawfly slug tenthredinidae tree trees unripe white worm yellow