Flower Wasp vs Metaphycus Scale Parasitoid

Side-by-side species comparison

Attribute Flower Wasp Metaphycus Scale Parasitoid
Scientific Name Cerceris rybyensis Metaphycus helvolus
Order Hymenoptera Hymenoptera
Family Crabronidae Encyrtidae
Size 8-14 mm 1-1.5 mm
Habitat Heathland Orchards
Diet Predators Parasitoids
Regions Europe Worldwide (introduced for biocontrol)
Conservation Least Concern Not Evaluated

Flower Wasp

A solitary wasp that hunts small mining bees to provision its nest. Nests in sandy soil, often in dense aggregations. Distinguished from other wasps by its hunting specialization.

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Did You Know?

Specializes in hunting mining bees (Andrena), catching them on flowers and carrying them back to its burrow.

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.