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Determination of larval instar number in the common armyworm, Leucania separata (Lepidoptera: Noctuidae) I. Temporal patterns of ecdysis in the penultimate instar larvae



Determination of larval instar number in the common armyworm, Leucania separata (Lepidoptera: Noctuidae) I. Temporal patterns of ecdysis in the penultimate instar larvae



Applied Entomology and Zoology 23(4): 490-493



The relationship between the period of the penultimate (5th) instar of Leucania separata and the body weight or head capsule width of the penultimate-instar larva at the time of 4th larval ecdysis was investigated in the laboratory. Larvae of the noctuid were selected randomly from batches of 20-25 4th-instar larvae kept in plastic containers (20x14 cm and 5 cm high) and reared individually on artificial diet at 25 degrees C and LD 16:8.

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Accession: 001795616

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