Schizonotus Chalcid vs Fujian Flat Stag Beetle

Side-by-side species comparison

Attribute Schizonotus Chalcid Fujian Flat Stag Beetle
Scientific Name Schizonotus sieboldi Dorcus montivagus
Order Hymenoptera Coleoptera
Family Chalcididae Lucanidae
Size 4-6 mm 20-35 mm
Habitat Woodlands Woodlands
Diet Parasitoids Wood Feeders
Regions East Asia, Japan East Asia, Japan/Korea
Conservation Not Evaluated Least Concern

Schizonotus Chalcid

A parasitoid of mason bee larvae found across temperate Asia. It enters the sealed mud nests of Osmia bees to lay its eggs on the developing bee larvae.

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Did You Know?

It times its attack to coincide with the brief window when mason bee cells are sealed but larvae are still vulnerable.

Fujian Flat Stag Beetle

A sleek, flat-bodied stag beetle found in Japan and Korea that specializes in living under bark. Its flattened body allows it to squeeze into tight spaces between bark and wood.

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Did You Know?

This beetle's extremely flat body is an adaptation for living in the narrow space between bark and wood, where it is protected from most predators.