Sabre Wasp vs Bates' Rosalia

Side-by-side species comparison

Attribute Sabre Wasp Bates' Rosalia
Scientific Name Rhyssa persuasoria Rosalia batesi
Order Hymenoptera Coleoptera
Family Ichneumonidae Cerambycidae
Size 25-40 mm body length 18-30 mm
Habitat Farmland Forests
Diet Wood Feeders Wood Feeders
Regions Europe, Asia Japan (Honshu, Shikoku, Kyushu)
Conservation Least Concern Near Threatened

Sabre Wasp

The largest European ichneumon wasp, recognized by its black-and-white banded body. It parasitizes the larvae of wood wasps within conifer trunks.

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Did You Know?

She can detect a wood wasp larva through several centimeters of solid timber using her antennae.

Bates' Rosalia

A rare and beautiful longhorn beetle with pale lavender-grey elytra and contrasting black spots, found in the temperate forests of Japan. It is named after the famous naturalist Henry Walter Bates. Adults appear briefly in midsummer.

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Did You Know?

Despite being the subject of intense collector interest, this species remains poorly studied in the wild.