Rhododendron (Rhododendron)-Lecanium scale

Lecanium spp.

Pest description and damage Lecanium scale are most noticed as they expand in spring and produce copious honeydew. The female lecanium scale are about 0.125 inch in diameter and vary from red to dark brown in color. They are oval and raised, resembling small "helmets," "turtles," or bumps on branches, stems, while crawlers feed on the undersides of leaves. Male scale are smaller, fairly flat, and oblong.

For biology, life history, monitoring and management

See:

See "Scale insect" in:

Management-chemical control

See Table 1 in: