Bronze Orange Bug vs Metaphycus Scale Parasitoid

Side-by-side species comparison

Attribute Bronze Orange Bug Metaphycus Scale Parasitoid
Scientific Name Musgraveia sulciventris Metaphycus helvolus
Order Hemiptera Hymenoptera
Family Tessaratomidae Encyrtidae
Size 20-25 mm 1-1.5 mm
Habitat Orchards Orchards
Diet Sap Feeders Parasitoids
Regions Eastern Australia Worldwide (introduced for biocontrol)
Conservation Least Concern Not Evaluated

Bronze Orange Bug

A large, bronze-colored shield bug that is a pest of citrus trees in eastern Australia. Nymphs are bright green and change to bronze as they mature. It can squirt a foul-smelling, burning liquid at perceived threats.

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Did You Know?

Its defensive spray can cause skin burns and temporary blindness, and Australian gardeners are advised to wear eye protection when handling infested citrus trees.

Metaphycus Scale Parasitoid

A golden-yellow parasitoid wasp that attacks black scale and other soft scale insects on citrus and olive trees. It is one of the most widely used encyrtids in commercial biological control.

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Did You Know?

Adults also feed directly on young scale insects by piercing them with their ovipositor, killing hosts through both parasitism and host-feeding.