larval

Paedogenetic: reproducing in the sexually immature or larval stage.

Paedogenesis: reproduction in the sexually immature or larval stage.

Ultimate: last or final: that larval stage just before pupation.

The empty case at a shows the last stage of the larval life.

The ant-lion was the larval form the lace-wing fly, of course.

In the skin of a larval salamander they are quite conspicuous.

The larval forms of the Mollusca differ considerably from the adult.

Most extensive is the destruction in the caterpillar and in the larval lamprey.

The reason doubtless is because they are so much given to larval development.

They all pass a larval stage in the body of an intermediate host.