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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.
Eggs were in the form of cluster (6-7 eggs / cluster); While three larval instars were found (1st, 2nd and 3rd instar), which not only have difference in size and color, but the visibility of alimentary canal in 2nd instar and presence of black moles on anterior and caudal side of 3rd instar are very distinguish characteristics of the Bactrocera dorsalis larvae.
00 mg AI/L) of azadirachtin solution based on stomach toxicity to 1st instars.
This worm puts hundreds of eggs in the form of egg masses and passes through six instars in its life cycle from 15-23 days (Miyahara et al.
The number and durations of instars were determined based on the interval between ecdyses, determined by the presence of molts in the rearing container.
5 g g-1) were applied alone and in combination against 2nd and 4th larval instars.
In the western United States, the instars (nymphal stages) of most grasshoppers harmful to crops or rangeland have been described (e.
aquaticum from South America and quarantine populations reared in South Africa have confirmed that this species shows important variations in its life history traits, mainly with respect to the number of juvenile instars and duration of nymphal development (Zolessi, 1956; Silveira Guido and Perkins, 1975; Medeiros, 1984; Hill and Oberholzer, 2000; Lhano, 2002; Vieira and Santos, 2003; Adis and Junk, 2003; Adis et al.