Pale Grass Blue vs Mopane Worm

Side-by-side species comparison

Attribute	Pale Grass Blue	Mopane Worm
Scientific Name	Zizeeria maha	Gonimbrasia belina
Order	Lepidoptera	Lepidoptera
Family	Lycaenidae	Saturniidae
Size	15-25 mm wingspan	80-100 mm (caterpillar)
Habitat	Meadows	Woodlands
Diet	Nectar Feeders	Herbivores
Regions	East Asia, Japan/Korea	Africa
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.

Mopane Worm

The most economically important edible insect in southern Africa. The caterpillar of an emperor moth, harvested, dried, and traded as a high-protein food across the region.

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Did You Know?

Mopane worms are a $85 million annual industry in southern Africa — dried caterpillars contain 60% protein and are a crucial food security resource for millions of people.