Potter Wasp vs Japanese Oakblue

Side-by-side species comparison

Attribute Potter Wasp Japanese Oakblue
Scientific Name Delta unguiculatum Arhopala japonica
Order Hymenoptera Lepidoptera
Family Vespidae Lycaenidae
Size 15-25 mm 30-40 mm wingspan
Habitat Heathland Forests
Diet Nectar Feeders Nectar Feeders
Regions Southern Europe, North Africa, Middle East East Asia, Japan
Conservation Least Concern Least Concern

Potter Wasp

A solitary wasp that constructs small urn-shaped mud nests on walls and branches. Each pot is provisioned with paralyzed caterpillars for a single larva.

💡

Did You Know?

Ancient Greek potters may have been inspired by these wasps' elegant mud vessels.

Japanese Oakblue

A beautiful lycaenid butterfly with brilliant metallic blue upperwings and cryptic brown underwings. Found in oak forests where its larvae live in association with ants. Known as 'murasaki-shijimi.'

💡

Did You Know?

The caterpillars produce sweet secretions that attract ants, which then guard them from predators in a mutualistic relationship.