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Related to instars: antennae

INSTAR. Likeness; resemblance; equivalent as, instar dentium, like teeth; instar omnium, equivalent to all.

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No significant difference was evident in the toxicity of azadirachtin to 1st, 2nd, and 3rd instars based on the 95% confidence limits of [LC.
The obtained second and fourth instars larvae were used for bioassay tests.
The total post-birth developmental time (duration from birth to the beginning of the adult stage), number of instars, and intermolt period at each instar were initially determined using 36 specimens.
thuringiensis Berliner on the mortality, pupation, adult emergence and egg eclosion of 2nd and 4th larval instars of E.
On 11 July, three nymphs (one 4th instar and two 5th instars) of the snakeweed grasshopper, Hesperotettix viridis viridis, were collected for comparison with A.
All in all, the 4 compounds tested showed variable degrees of efficacy and residual toxicity against both 2nd and 4th instars larvae of S.
Thus, the aim of this work was to assess the number of juvenile instars and duration of nymphal development of C.
Nymph bioassays: Application of the ethanol extract was made on nymphs of fourth and fifth instars (15 to 20 days old) of R.