instar

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Related to instars: antennae

in·star

(in'stahr),
Any of the successive nymphal stages in the metamorphosis of hemimetabolous insects (simple or incomplete metamorphosis), or the stages of larval change by successive molts that characterize the holometabolous insects (complex or complete metamorphosis).
[L. form]

instar

/in·star/ (in´stahr) any stage of an arthropod between molts.

instar

(ĭn′stär′)
n.
A stage of an insect or other arthropod between one molt and the next.

in·star

(in'stahr)
Any of the successive nymphal or larval stages in the metamorphosis of insects.
[L. form]

instar

a larval stage of insect development. The first instar hatches from the egg and after the first moult (see ECDYSIS becomes the second instar. Thus a third instar larva is one which has completed two moults.

instar

a stage between molts in the development of an insect in which it undergoes a metamorphosis and changes its shape to a degree away from the first instar and towards the final one. The number of instars in an insect's metamorphosis varies widely between species from 5 up to 20 or more.
References in periodicals archive ?
Interaction of nucleopolyhedrovirus (SfMNPV) and the insecticide spinosad in feeding bioassays with Spodoptera frugiperda 3rd instars.
First through third instars were found in mid-April, and adults were collected as early as the first week of May (Sierra and Socorro counties, NM).
While the difference in the pre-release density of III and IV instars in fish tanks and control tanks was non-significant (p >0.
The presence of primary spiniform frontoclypeai sensilla provides an overt character that increases the probability of identifying first instars R.
In conclusion, the first and second instars preferred settling between and along secondary veins, whereas the third to fifth instars preferred the primary veins.
Galiano (1969) observed a bifurcated tip on the cheliceral fang in instars B and C of G.
Ovigerous females collected from the West Branch of the Grand Calumet River and from Illinois, Lake County, Dead River mouth in Illinois Beach State Park included females with 1st instar and ova with eyespots on the verge of eclosion (Table 1).
To investigate tick-to-host transmission, 10 BALB/c mice were infested with cohorts of 5, 10, 15, or 20 third instar O.