Insect Management Handbook

Dasineura pyri

See:

Pear-Eriophyid mite

Family Miridae, including
Lygus bug (Lygus spp.)
Western tarnished plant bug (Lygus hesperus)

Pest description and crop damage This group of insects have piercing-sucking mouthparts and a triangle between the head and the wings. Feeding on fruit causes depressions and hard corky areas. Lygus bug adults are 0.25 inch in length, green to brown.

Parthenolecanium corni

European or filbert leafroller (Archips rosana)
Fruittree leafroller (Archips argyrospila)
Obliquebanded leafroller (Choristoneura rosaceana)
Pandemis leafroller (Pandemis pyrusana)

Rose leafhopper (Edwardsiana rosae)
White apple leafhopper (Typhlocyba pomaria)

Lithophane antennata and other fruitworm species

Pseudococcus maritimus

Pear rust mite (Epitrimerus pyri)
Pearleaf blister mite (Eriophyes pyri)

See:

Pear-Armyworm and cutworm