Which specific species holds the Guinness World Record for the heaviest insect ever documented?

Answer

Deinacrida heteracantha

The Guinness World Records recognizes the heaviest insect ever documented as a giant wētā, specifically the species Deinacrida heteracantha, which is commonly known as the Little Barrier Island giant wētā or wētāpunga.

Which specific species holds the Guinness World Record for the heaviest insect ever documented?
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