instar

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Related to instars: antennae

instar

[′in‚stär]
(invertebrate zoology)
A stage between molts in the life of arthropods, especially insects.
References in periodicals archive ?
Adults were present during periods when flowers and fruits were absent, and along roadsides, early instars (I-III) twice (Cochise Co.
In addition, the number of lamellae clypeales for the Cuban larva was given as 16 (7, page 27), within the range of 15-19 reported herein, and as 15-35 (7, page 11) for first instars of Rhantus examined therein.
When the lerp cover was removed, first and second instar nymphs quickly (within 5 min) started to construct a new lerp, but third to fifth instars took more than one hour before constructing a new lerp.
When the spiderlings emerged, we counted them and determined the postembryonic instars (following Galiano 1969).
Os autores verificaram que, nos frutos infestados por larvas de 1[grados] e 2[grados instar, a mortalidade foi de 100% e nos testes com larvas de 3[grados instar houve sobrevivencia de adultos nos frutos com pesos acima de 540 e de 730 g nos tempos de imersao de 75 e 90 min.
Table--1: Showing the changes of larval weight of III, IV and V instars of control and experimental larvae.
Females were first found carrying ova in early April, and instars were last collected in mid-June (Table 1).
The other five groups of mice were infested with second instar O.
For data in all tables for third, fourth, and fifth instars, numbers in columns for developmental stage reflect mean preadult development time for individuals surviving through that instar.