Blue Quill vs Poplar Hawk-moth

Side-by-side species comparison

Attribute Blue Quill Poplar Hawk-moth
Scientific Name Paraleptophlebia guttata Laothoe populi
Order Ephemeroptera Lepidoptera
Family Leptophlebiidae Sphingidae
Size 6-9 mm 65-90 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions North America Europe, temperate Asia
Conservation Least Concern Least Concern

Blue Quill

A delicate spring-emerging mayfly with bluish-gray body coloring. Nymphs prefer riffles with abundant leaf detritus in clean streams.

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Did You Know?

Anglers consider it one of the most important early-season hatches on trout streams.

Poplar Hawk-moth

A large grey-brown hawk-moth that holds its hindwings forward of the forewings at rest, creating an unusual silhouette. It is the most common hawk-moth across much of Europe.

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Did You Know?

When disturbed, it reveals a rust-orange patch on its hindwings to startle predators before dropping to the ground.