Which animals have larval stages

Flukes have several larval stages, and annelids, mollusks, and crustaceans have various larval forms. The larval forms of the various insects are called caterpillars, grubs, maggots, and nymphs. Echinoderms (e.g., starfish) also have larval forms. The larva of the frog is called a tadpole.

Which animal does not have larval stage?

Pheretima posthuma, the common name is earthworm, does not have any larval stage in its life cycle.

Do all insects have a larval stage?

About 75% of all insect species go through the four stages of complete metamorphosis - egg, larva, pupa, and adult. The larva is a specialized feeding stage that looks very different from the adult. Fortunately, there are just a few basic larval types and they are relatively easy to recognize.

Do humans have larval stage?

Children certainly are not human larvae biologically, for the reasons explained in the accepted answer. However, calling children larvae is a metaphor that refers to child's mental and social development rather than morphological.

Is larval stage present in earthworm?

The earthworm is part of the phylum Annelida and in their life cycle, there are no larvae. It has cocoons that burrow on the ground into a young worm and eventually a mature worm.