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 ?
Pre-Pupae: The mature larvae of 3rd instar was slightly curved in position, became slothful and stopped feeding and remain inactive for different activities except metabolically.
50] 95% confidence limits Instar LC-P line (a) (mg/L) (lower-upper) First y = 2.
The data presented in Table (1) show 20 % total mortality percent for both 2nd and 4th instars in case of (BT-TNTs) composite while Bacillus Thuringiensis (Bt) resulted in 30% total mortality compared to 0% in case of control.
ochroloma larvae, offered to the nymphs in similar proportions ad libitum, and the larvae were left inside the cage until the nymphs reached the final instar.
In this study, the duration of instars 2-5 was considerably shorter than reported by Matthiesen (1971) (148 days, n = 5; 281 days, n = 4; 362 days, n = 2 and 520 days, n= 1) for the same species.
The remaining three batches of 2nd and 4th larval instars were only immersed in fungal solution containing three concentrations of B.
Approaching any saltbush elicited an explosive, popcorn-like spectacle as adults and various instars reacted to shadows or movement, launching toward cover in the center of the bush, a behavior reported by Wallace (1955) and Barnum (1964).
75% females; males had five instars, while females went through five or six instars (54.
A survey carried out with fractions of Annona squamosa showed adulticide and larvicide activity, as well as oviposition inhibition in the different development instars of Aedes albopictus.