European Thick-headed Fly vs Great Purple Emperor

Side-by-side species comparison

Attribute European Thick-headed Fly Great Purple Emperor
Scientific Name Myopa buccata Sasakia charonda
Order Diptera Lepidoptera
Family Conopidae Nymphalidae
Size 6-10 mm 75-110 mm wingspan
Habitat Woodlands Woodlands
Diet Parasitoids Dung Feeders
Regions Europe East Asia, Japan
Conservation Least Concern Near Threatened

European Thick-headed Fly

A small reddish-brown conopid fly with a distinctively swollen face and downward-curving proboscis. It is commonly found basking on sunny tree trunks and fences in spring.

💡

Did You Know?

It times its emergence with the spring flight period of its Andrena bee hosts, waiting on sunny surfaces to ambush them.

Great Purple Emperor

Japan's national butterfly, known as 'o-murasaki' in Japanese. Males display a stunning purple iridescence on their wings. A large and powerful flier found in deciduous forests.

💡

Did You Know?

Designated as Japan's national butterfly in 1957, the Great Purple Emperor is rarely seen feeding on flowers, preferring tree sap instead.