Insect Management Handbook

Hyphantria cunea

Includes Drepanosiphum platanoidis

Pissodes strobi

Oligonychus ununguis

Taniva albolineana

Choristoneura occidentalis

Pest description and damage Adult moths are mottled orangish brown; wingspan is up to 1 inch. Larvae are typically green to brown with a darker head and grow to about 1 inch in length. Larvae feed on buds and foliage and tie shoot tips together with webbing to make a nest. Spruce budworm is mainly a pest of balsam and subalpine firs. Although considered a significant problem in forestry, this insect is an infrequent pest in the landscape.

Physokermes hemicryphus

Elatobium abietinum

Pest description and damage The spruce aphid is green and only 0.05 to 0.1 inch in length at maturity. Plants affected by spruce aphid first show banded yellowish blotches on the needles, sometimes with honeydew (sticky material excreted by the aphid) present. The needles may turn completely yellow or brown and drop. New growth is not affected, leaving trees with bare centers and green tips.

Lophocampa argentata

Chionaspis pinifoliae