Grain Pteromalid vs Asian Horntail

Side-by-side species comparison

Attribute Grain Pteromalid Asian Horntail
Scientific Name Anisopteromalus calandrae Urocerus antennatus
Order Hymenoptera Hymenoptera
Family Pteromalidae Siricidae
Size 1.5-2.5 mm 20-35 mm
Habitat Gardens Forests
Diet Parasitoids Wood Feeders
Regions Worldwide East Asia, Japan, Russian Far East
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.

Asian Horntail

A large wood wasp from East Asia with a dark body and distinctively long antennae. It attacks various coniferous trees, particularly larches and spruces.

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Did You Know?

This species is considered a potential quarantine pest due to the risk of introduction to new regions through untreated conifer timber imports.