Grain Pteromalid vs Willow Beauty

Side-by-side species comparison

Attribute Grain Pteromalid Willow Beauty
Scientific Name Anisopteromalus calandrae Peribatodes rhomboidaria
Order Hymenoptera Lepidoptera
Family Pteromalidae Geometridae
Size 1.5-2.5 mm 38-48 mm wingspan
Habitat Gardens Gardens
Diet Parasitoids Omnivores
Regions Worldwide Europe, western Asia
Conservation Not Evaluated Least Concern

Grain Pteromalid

A tiny parasitoid of grain weevil and bruchid beetle larvae concealed inside stored cereal grains. It is widely used in biological control of stored-product pests.

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Did You Know?

Females can detect beetle larvae hidden inside wheat kernels by drumming on the grain surface with their antennae.

Willow Beauty

A well-camouflaged moth with grey-brown wings marked with dark cross-lines that blends perfectly with tree bark. It is one of the most common moths found in gardens.

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Did You Know?

Like the peppered moth, it has developed a darker form in areas affected by industrial pollution.