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Periphyllus lyropictus (Norway maple aphid)

Parasitized; Colony; insect group, often more than one life stage
Euceraphis punctipennis (Birch aphid)

Colony; insect group, often more than one life stage
Mealybug

Colony; insect group, often more than one life stage; Damage to leaves
Pterocomma smithiae (Black willow aphid)

Colony; insect group, often more than one life stage
Aphis citricola (Spirea aphid)

Colony; insect group, often more than one life stage; Twig, stem, branch
Aphis citricola (Spirea aphid)

Colony; insect group, often more than one life stage; Leaf, leaves, needles
Lecanium (Soft scale)

Colony; insect group, often more than one life stage
Parthenolecanium corni (European fruit lecanium scale)

Colony; insect group, often more than one life stage
Tinocallis platani

Colony; insect group, often more than one life stage
Pterocomma

Colony; insect group, often more than one life stage