Poplar Hawk-moth vs Long-Tailed Mayfly

Side-by-side species comparison

Attribute Poplar Hawk-moth Long-Tailed Mayfly
Scientific Name Laothoe populi Palingenia longicauda
Order Lepidoptera Ephemeroptera
Family Sphingidae Palingeniidae
Size 65-90 mm wingspan 30-40 mm body; 60-80 mm cerci
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, temperate Asia Europe
Conservation Least Concern Vulnerable

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.

💡

Did You Know?

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

Long-Tailed Mayfly

The largest European mayfly with body and cerci reaching over 120 mm. Its spectacular mass hatches on the Tisza River are a famous natural phenomenon.

💡

Did You Know?

The annual "Tisza bloom" of this mayfly along the Tisza River lasts only a few hours but has been celebrated in Hungarian culture for generations.