Answer:
It is an insect, and the first part of its name is the name of another insect. What is it?
What lives where it cannot breathe and has a hole in its back
A warrior amongs the flowers, He bears a thrusting sword. Able and ready to use, To guard his golden hoard.
What jumps when it walks & sits when it stand?
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from Noah's ark won quick release.
What is so fragile that saying its name breaks it?