Lesser Yellow Underwing vs Leaf-Rolling Rose Sawfly

Side-by-side species comparison

Attribute Lesser Yellow Underwing Leaf-Rolling Rose Sawfly
Scientific Name Noctua comes Blennocampa phyllocolpa
Order Lepidoptera Hymenoptera
Family Noctuidae Tenthredinidae
Size 40-46 mm wingspan 3-5 mm
Habitat Gardens Underground
Diet Herbivores Herbivores
Regions Europe Europe, introduced to North America
Conservation Least Concern Least Concern

Lesser Yellow Underwing

Similar to the Large Yellow Underwing but smaller with more orange-yellow hindwings. Very common in gardens and attracted to light. Larvae feed on many herbaceous plants.

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Did You Know?

Together with its larger relative, forms one of the most abundant moth species partnerships in garden moth traps.

Leaf-Rolling Rose Sawfly

A tiny black sawfly that causes rose leaflets to roll downward into tight cylinders. The larva feeds inside the rolled leaf shelter.

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Did You Know?

The female injects a chemical into the leaf margin during egg-laying that causes the leaf to roll tightly, creating a protective tube for the developing larva.