Definition of instar in English:

instar

Syllabification: in·star
Pronunciation: /ˈinˌstär
 
/

noun

Zoology
  • A phase between two periods of molting in the development of an insect larva or other invertebrate animal.
    More example sentences
    • When the eggs hatch, the caterpillar enters the first instar (stage of development).
    • After the second moult, larvae preyed only on the first-instar nymphs of Libyaspis, while the larvae of later instars preyed on nymphs of a wide range of sizes.
    • The larval stage consists of four phases, or instars, with a complete molt between each instar.

Origin

late 19th century: from Latin, literally 'form, likeness'.

More definitions of instar

Definition of instar in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day kerf
Pronunciation: kərf
noun
a slit made by cutting with a saw