American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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Elsewhere on the web
First-instar nymphs of all three species failed to develop, and all died within 10 weeks.— 5 Effects on Insects
Last-instar nymphs exhibited retarded growth, and half of them died within 9 weeks.— 5 Effects on Insects
Most fifth-instar nymphs treated with the extract died during subsequent molts and the few that survived to adulthood had malformed wings and thoraxes.— 4 What's in a Neem
A second instar is the caterpillar after it has shed its skin for the first time.— High Plains Journal
The first instar is the caterpillar just after it hatches.— High Plains Journal
Instar has been looked up 133 times, favorited once, listed 8 times, and commented on once.

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