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Related to instars: antennae

in·star 1

tr.v. in·starred, in·star·ring, in·stars
To stud with or as if with stars.

in·star 2

A stage of an insect or other arthropod between one molt and the next.

[New Latin īnstar, from Latin, image, form.]


(Zoology) the stage in the development of an insect between any two moults
[C19: New Latin from Latin: image]


(ˈɪn stɑr)

an insect or other arthropod in any stage between molts.
[1890–95; < New Latin; Latin īnstar equivalent, counterpart]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.instar - an insect or other arthropod between moltsinstar - an insect or other arthropod between molts
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
References in classic literature ?
But if persons of quality and judgment concur, then it is (as the Scripture saith) nomen bonum instar unguenti fragrantis.
Nymphs of a second generation were present from early June to October (fifth instars occasionally were found in November), with adults present as late as the end of November.
First instars of Rhantus calidus (Fabricius) representing a Georgia population are described and illustrated.
The nymphs were grouped into five instars based on body length, length of antennae, and size and shape of wing pads.
However, the characteristics in which the spiders hatch varies in different species (Holm 1940; Vachon 1957; Peck & Whitcomb 1970; Ramousse & Wurdak 1984), contributing to a confusion in the terms and descriptions of developmental instars in spiders (Foelix 1996).
The maximum reduction in the duration of the instar period was observed in IV instar followed by III and V instars.
third instar); following a second, noninfectious bloodmeal; and after molting a second time into fourth instars.