Birch Leaf-Roller Sawfly vs Metallic Eumolpine Beetle

Side-by-side species comparison

Attribute Birch Leaf-Roller Sawfly Metallic Eumolpine Beetle
Scientific Name Pamphilius betulae Chrysochus asclepiadeus
Order Hymenoptera Coleoptera
Family Pamphiliidae Chrysomelidae
Size 9-13 mm 8-10 mm
Habitat Woodlands Mountains
Diet Herbivores Herbivores
Regions Europe, northern Asia Southern and Central Europe
Conservation Least Concern Least Concern

Birch Leaf-Roller Sawfly

A flat-bodied sawfly with long, thread-like antennae and a broad abdomen. Larvae roll birch leaves into tubes using silk and feed inside these shelters.

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Did You Know?

The larva creates an elaborate rolled-leaf shelter that protects it from both predators and weather while it feeds inside.

Metallic Eumolpine Beetle

A brilliant metallic dark blue to violet beetle closely related to the North American dogbane beetles. It is found on vincetoxicum and other Asclepiadaceae in the mountains of Europe.

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Did You Know?

Like its North American relatives on milkweed, it sequesters toxic cardiac glycosides from its host plant to deter predators.