Forest Bug vs California Red Scale

Side-by-side species comparison

Attribute Forest Bug California Red Scale
Scientific Name Pentatoma rufipes Aonidiella aurantii
Order Hemiptera Hemiptera
Family Pentatomidae Diaspididae
Size 13-16 mm 1.5-2 mm diameter
Habitat Woodlands Orchards
Diet Sap Feeders Herbivores
Regions Europe Worldwide citrus-growing regions
Conservation Least Concern Not Evaluated

Forest Bug

A large European shield bug with distinctive red-orange legs and a small tooth on each shoulder. It is arboreal and common on deciduous trees.

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Did You Know?

Despite being mainly herbivorous, it occasionally turns predatory and feeds on caterpillars and other soft insects.

California Red Scale

A circular reddish-brown armored scale insect that infests citrus bark, leaves, and fruit. Heavy infestations can kill branches and render fruit unmarketable.

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Did You Know?

The parasitoid wasp Aphytis melinus is mass-reared by the billions to control this scale in California citrus orchards.