Based on established metrics, which characteristic is used to solidify the wētā's claim as the 'biggest bug'?

Answer

Mass (Weight)

When discussing the 'biggest' insect, the wētā’s claim rests squarely on mass, which is the metric distinguishing it from contenders like stick insects (length) or those measured by wingspan.

Based on established metrics, which characteristic is used to solidify the wētā's claim as the 'biggest bug'?
animalsizeinsectrecordWeta