Zanzibar Blue Butterfly vs Small Brown Stonefly

Side-by-side species comparison

Attribute Zanzibar Blue Butterfly Small Brown Stonefly
Scientific Name Uranothauma crawshayi Nemoura cinerea
Order Lepidoptera Plecoptera
Family Lycaenidae Nemouridae
Size 25-30 mm wingspan 6-10 mm
Habitat Beaches & Coastal Ponds & Lakes
Diet Herbivores Herbivores
Regions Zanzibar, East African coast Europe, Asia
Conservation Not Evaluated Least Concern

Zanzibar Blue Butterfly

A delicate blue butterfly found on Zanzibar and coastal East Africa. Males have shimmering blue upperwings while females are brown.

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Did You Know?

Larvae are tended by ants that protect them in exchange for honeydew secretions.

Small Brown Stonefly

A very common small brown stonefly found in a wide range of freshwater habitats across Europe. It is one of the most tolerant stoneflies to mild pollution.

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Did You Know?

Unlike most stonefly species that require pristine water, this species can tolerate mildly enriched conditions, making it one of the last stoneflies found in degraded streams.