What happens if we put them on IV? How long will they last? Will they go full Mr. Meeseeks? What are you doing over there, scientist?! We need answers!
A lot of insects live for years as their "larval" or nymph form and then come out into the more recognizable "adult form" just to mate and die. In a lot of ways their larval form is their actual form with their adult lifestage being just a flash in the pan to continue the species.
Hey look it's me, not eating because depressed but also doing the very healthy thing of engaging in too many dating apps to find sex...
Also getting combined with glowshrooms for invisibility potions
if they don't eat, where do they get the energy to create offspring?
The larvae is where they do nothing but eat and grow and eat some more. Then they turn into flying sex organs.