A stage of an insect or other arthropod between molts.
anyone regarding the a few stages of postembryonic development which an arthropod undergoes, between molts, before it hits sexual readiness.
An arthropod at a specified one of these phases of development.
A stage in development.
a postembryonic stage of life of an arthropod, particularly an insect, between two successive molts; in addition, the arthropod whenever in that stage of life.
anyone for the periods of an insect's life between two molts. The time scale just after hatching is reported to be the initial instar, and that after the very first molt the 2nd instar. If a caterpillar molts four times the pupa is the sixth instar and person the 7th. The expression originated with Fischer in 1853, but has only been already typically used.