Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

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.
Coloration pattern similar to former instar but darker, mesonotum and metanotum irregularly pale marked and metatibial spur at apex, lighter.
Se hicieron muestreos sobre el arbolado con mayor grado de infestacion; de las hojas de estos arboles se obtuvieron ninfas del ultimo instar de T.
The larval weight was significantly elevated in 1st, 2nd and 3rd day of III instar experimental larvae over control.
The firm's new landlord is Instar Capital, which purchased the commercial condominium space, as well as 4,400 square feet more, in the building earlier this year.
Reproductive biology, fecundity, egg diameter size, and instar lengths are provided for Orconectes (F.
In developing crustaceans, new structures formed during one instar become evident after the molt to the next instar (Schrehardt, 1987).
The other five groups of mice were infested with second instar O.
As president of InStar, he will guide the company's growth and expansion as a provider of disaster recovery and property restoration services.
Caterpillar development is 90pc complete in the warmest parts of the country and the third instar growth stage will soon be reached, said James Knight, Dow AgroSciences' insect specialist.
Third and fourth instar nymphs were removed from the population and starved for 12 h before being placed on chemically-treated snapbean plants.