Yucca Plant Bug vs Cottony Cushion Scale

Side-by-side species comparison

Attribute Yucca Plant Bug Cottony Cushion Scale
Scientific Name Halticotoma valida Icerya purchasi
Order Hemiptera Hemiptera
Family Miridae Monophlebidae
Size 3-5 mm 5-8 mm including egg sac
Habitat Deserts & Drylands Orchards
Diet Herbivores Wood Feeders
Regions North America Originally Australia, now cosmopolitan
Conservation Least Concern Least Concern

Yucca Plant Bug

A dark metallic blue plant bug that feeds on yucca plants in the arid Southwest. Heavy infestations can cause yellowing and dieback of yucca leaves.

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Did You Know?

It is one of the few insects specialized to feed on the tough, waxy leaves of yucca plants.

Cottony Cushion Scale

A scale insect with a distinctive white fluted egg sac that devastated California's citrus industry in the 1880s. Its control by vedalia beetles was the first major success of biological pest control.

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Did You Know?

The introduction of vedalia ladybirds to control it in 1889 saved the California citrus industry from collapse.