Difference between Larvae and Larva

What is the difference between Larvae and Larva?

Larvae as a noun is an early stage of growth for some insects and amphibians, in which after hatching from their egg, insects are wingless and resemble a caterpillar or grub, and amphibians lack limbs and resemble fish. while Larva as a noun is a stage of growth for some insects, in which they are wingless and resemble a caterpillar or grub after hatching from their egg

We hope you now know whether to use Larvae or Larva in your sentence.