It is an insect

It is an insect, and the first part of its name is the name of another insect. What is it?

You enter a dark room

You enter a dark room. You have only one match. There is an oil lamp, a furnace, and a stove in the room. Which would you light first?

I’m made for one but meant for two

I’m made for one but meant for two; I can be worn for many years but usually just a few; You won’t ever need me unless you say you do. What am I?