Lace Bugs

Pest: Lace bugs (Tingidae)

Pest Type: Insect Pest, true bugs

Major Identifying Features: Adults are about 1/8 inch long with a sculptured dorsal surface, thorax and forewings have semitransparent cells that give the body a lace-like appearance, nymphs are smaller, oval, wingless, dark colored with spines, adults and nymphs live on the underside of leaves

Life Cycle: three life stages (egg, nymph, adult), several generations per year, females lay eggs in leaf tissue and cover them with dark excrement, nymphs go through 5 instar stages, overwinter as eggs

Pest Rating: Minor

Management Rating: Easy

Host/Season/Outbreak Information: Live on evergreen hosts and as adults in protected locations, all life stages can be present all year-round on evergreen hosts in areas with mild winters

Damage Information: Lace bugs and nymphs feed and suck on fluids from plants’ tissues, mid to late summer one can see pale stippling and bleaching with specks of dark excrement on the upper surfaces of leaves, lace bug can not seriously threat plants, leaves can drop prematurely, fruit yield can be reduced

Management Options: Tolerate these bugs where possible, proper cultural care for plants that suffer repeatedly, biological control with assassin bugs, lady beetles, jumping spiders, pirate bugs, mites

Sources:

Pests of Landscape Trees and Shrubs (Book)

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