Ground Pearl vs Robust Cicada

Side-by-side species comparison

Attribute Ground Pearl Robust Cicada
Scientific Name Margarodes vitis Meimuna opalifera
Order Hemiptera Hemiptera
Family Margarodidae Cicadidae
Size 2-4 mm cyst 30-35 mm
Habitat Caves Woodlands
Diet Sap Feeders Sap Feeders
Regions Europe, Africa Japan, China, Taiwan
Conservation Data Deficient Least Concern

Ground Pearl

A subterranean scale insect whose encysted nymphs resemble tiny golden pearls.

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Did You Know?

The pearl-like cysts have been used as beads in jewelry since ancient times.

Robust Cicada

A common East Asian cicada known as 'tsukutsuku-boshi' in Japan. Its rhythmic song marks the end of summer in Japanese culture.

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Did You Know?

Its song has a distinctive rhythmic pattern that Japanese people interpret as saying 'tsukutsuku-boshi' repeatedly.