Fact Sheets

Cotoneaster: Cotoneaster webworm

Cotoneaster: Cotoneaster webworm categories: Cotoneaster Cotoneaster Insects Ornamentals Shrubs revision date: 2023-12-02 09:17 Cotoneaster webworm damagePhoto by: C.R. Foss Biology The cotoneaster webworm is a dark brown caterpillar, 1/4″ to 1/2″ long. It typically ties clumps of leaves together with webbing and feeds within the nests, skeletonizing leaves. The caterpillars feed during the summer and […]

Cotoneaster: Spider mites

Cotoneaster: Spider mites categories: Cotoneaster Cotoneaster Insects Ornamentals Shrubs revision date: 2022-12-01 12:00 Spider mites under microscopePhoto by: L.K. Tanigoshi Biology Spider mites are tiny, eight-legged, and of various colors from yellowish to dark to red. They may be found on the upper or lower surface of leaves and often produce a fine webbing on […]