How do I get a lightning bug

Hint 1 of 7:

Have you been to the Cafeteria and GET CASSEROLE ?

Hint 2 of 7:

Did you take a bite ?

Hint 3 of 7:

Did you take another ?

Hint 4 of 7:

Did you take a third ?

Hint 5 of 7:

So you have a small larva.

Hint 6 of 7:

Larva are a very immature form of an insect.

Hint 7 of 7:

CAST PISEKS ON LARVA   +20