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No. A katydid is an insect.
The katydid derives its' name from the sound it makes.
It's bad luck to kill a katydid.
Don't slap at that katydid!
Katydid, katipo spider and kowhai moth are insects. They begin with the letter k.
That is the correct spelling of "katydid" (an insect, family Tettigoniidae).
Nihoa conehead katydid was created in 1926.