Yes, actually they are helpful. I had a wart on my elbow and a oldtimer told me to let the katydid bite my wart and it would go away. I tried it and sure enough in about 2 days the wart was gone! I couldn't believe it!
Depending... They are not harmful to US but they are pest to farmers they.They are harmful to other small animals such as caterpillars.
No. Katydids are not venomous.
crickets have crickets and katydids have katydids
yes but only when there dead
Yes, some katydids do hibernate, but not all.
they are green and can be blue or a tuquis
no
humans
.9
Katydids are more closely related to crickets than to grasshoppers. See Link.
about 1in
that is what you think .
The scientific name of katydids insects is Tettigoniidae.