pear psylla

As examples he mentioned the Colorado potato beetle, the two-spotted mite and pear psylla.

Variations in the external appearance of the nymphs and imago of the pear psylla, Psylla pyricola, are described.

Pear Psylla is a sucking insect which produces a sticky ooze; a black fungal growth develops on the ooze, disfiguring the fruit.

Mullein bugs are only considered pests early in the growing season, they are beneficial after petal fall, as predators of aphids, mites, thrips, leafrollers and pear psylla.

For agricultural purposes amitraz is primarily used to control the pear psylla (Cacopsylla pyricola) on Oregon pear crops and whiteflies and mites on cotton or pear crops.