Woolly Apple Aphid vs Yucca Plant Bug

Side-by-side species comparison

Attribute Woolly Apple Aphid Yucca Plant Bug
Scientific Name Eriosoma lanigerum Halticotoma valida
Order Hemiptera Hemiptera
Family Aphididae Miridae
Size 1-2 mm 3-5 mm
Habitat Orchards Deserts & Drylands
Diet Gall Makers Herbivores
Regions Cosmopolitan in temperate regions North America
Conservation Least Concern Least Concern

Woolly Apple Aphid

An aphid covered in waxy white filaments that forms colonies on apple tree bark and roots. Heavy infestations cause gall-like swellings on branches and roots.

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Did You Know?

It alternates between elm trees in spring and apple trees in summer across its complex life cycle.

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.