Metaphycus Scale Parasitoid vs Field Digger Wasp

Side-by-side species comparison

Attribute Metaphycus Scale Parasitoid Field Digger Wasp
Scientific Name Metaphycus helvolus Mellinus arvensis
Order Hymenoptera Hymenoptera
Family Encyrtidae Crabronidae
Size 1-1.5 mm 10-14mm
Habitat Orchards Heathland
Diet Parasitoids Predators
Regions Worldwide (introduced for biocontrol) Europe
Conservation Not Evaluated Least Concern

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.

Field Digger Wasp

A yellow and black wasp that nests in sandy soil and provisions each cell with paralyzed hoverflies.

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Did You Know?

Digs a nest burrow in bare sandy soil and stocks each cell with 5-8 precisely paralyzed hoverflies.