Problem Category: Lawn & Garden

Tree & Shrub Insects

Aphids

Tiny, soft insects that cluster on the underside of leaves, stems and buds and suck plant juices. Aphids can multiply rapidly and large numbers will damage young leaves and fruit. Aphids leave a sticky secretion on plants.

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Mites

Tiny, barely-visible spiders that suck sap from leaves. Foliage becomes stippled yellow and dirty. Hold white paper beneath branch and firmly tap leaves. Small yellow, green or red specks the size of pepper will fall on it.

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Scale Insects

Hard, round, raised bumps are formed by scale insects on leaves, bark and fruit of many fruit trees. Young insects suck the sap from the tree. Entire branches may die.

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Birch Leafminer

Brown blotches appear on leaves of Birch trees. A small larva may be found tunneling inside leaves. Trees may be weaken by repeat infestations.

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Tent Caterpillar

Silk nests appear in branches and are filled with 1 inch long caterpillars. Leaves are chewed and entire branches may be defoliated. Damage most severe in late summer.

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Gypsy Moth Larvae

Leaves are chewed and branches defoliated. Hairy, black caterpillars with red and blue spots can be seen hiding under leaves and bark. When numbers increase, gypsy moth larvae will feed on over 450 species of trees, plants and shrubs. Weakened trees become susceptible to attack by other insects.

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