Korean Water Scorpion vs Mountain Leafhopper

Side-by-side species comparison

Attribute Korean Water Scorpion Mountain Leafhopper
Scientific Name Laccotrephes japonensis Cicadella montana
Order Hemiptera Hemiptera
Family Nepidae Cicadellidae
Size 30-38 mm 7-9 mm body length
Habitat Ponds & Lakes Mountains
Diet Predators Sap Feeders
Regions East Asia, Japan/Korea Europe, Northern Asia
Conservation Least Concern Least Concern

Korean Water Scorpion

A flat, leaf-shaped aquatic predator found in Japan and Korea. Despite its name, it is not a true scorpion but a true bug with raptorial forelegs. Breathes through a siphon-like tail appendage.

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Did You Know?

The long breathing siphon at the rear works like a snorkel, allowing the water scorpion to breathe while remaining submerged and hidden among leaf litter.

Mountain Leafhopper

A bright green leafhopper found on mountain herbs and shrubs. It feeds on plant phloem sap and can jump impressive distances.

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Did You Know?

It can leap over 100 times its own body length to escape predators.