Pale Grass Blue vs Japanese Scoliid Wasp

Side-by-side species comparison

Attribute	Pale Grass Blue	Japanese Scoliid Wasp
Scientific Name	Zizeeria maha	Scolia oculata
Order	Lepidoptera	Hymenoptera
Family	Lycaenidae	Scoliidae
Size	15-25 mm wingspan	20-30 mm
Habitat	Meadows	Underground
Diet	Nectar Feeders	Nectar Feeders
Regions	East Asia, Japan/Korea	Japan, China, Korea
Conservation	Least Concern	Least Concern

Pale Grass Blue

One of the smallest and most common butterflies in Japan, known as 'yamato-shijimi.' Found everywhere from city sidewalks to mountain meadows. Pale blue upperwings with spotted undersides.

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Did You Know?

This butterfly became an unlikely research subject after Fukushima, as scientists documented radiation-induced mutations in populations near the disaster site.

Japanese Scoliid Wasp

A large black wasp with distinctive eye-like yellow spots on the abdomen found in East Asia. It parasitizes the larvae of large dynastid beetles.

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Did You Know?

Its yellow abdominal markings resemble large eyes, which may serve to startle potential predators.