Mercury Islands Tusked Weta vs Two-spotted Groundhopper

Side-by-side species comparison

Attribute Mercury Islands Tusked Weta Two-spotted Groundhopper
Scientific Name Motuweta isolata Tetrix bipunctata
Order Orthoptera Orthoptera
Family Anostostomatidae Tetrigidae
Size 40-50 mm body 7-10 mm
Habitat Beaches & Coastal Mountains
Diet Seed Feeders Omnivores
Regions Oceania Europe
Conservation Vulnerable Least Concern

Mercury Islands Tusked Weta

One of New Zealands rarest insects, found only on Middle Mercury Island. Males have curved tusks on their mandibles used in territorial combat with rivals.

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Did You Know?

This weta is so rare it was not discovered until 1970, living on a single 13-hectare island — males have tusks protruding from their jaws, unique among weta species.

Two-spotted Groundhopper

A montane pygmy grasshopper with two pale spots on its pronotum, found in upland rocky habitats across Europe. It favors sparse, stony ground at moderate to high elevations.

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Did You Know?

It is one of the few European grasshoppers found above 2,000 meters elevation, basking on sun-warmed rocks in alpine meadows.