人工飼料によるアワノメイガの改良された飼育法

概要

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Rearing method of Ostrinia furnacalis GUENEE which had been described previously by SAITO (1980), one of the present authors, was further improved. The artificial diet used and the rearing conditions, i.e. temperature of 26℃ and 16L-8D conditions, were similar to those reported by SAITO. Rearing container was a petri dish 9 cm in diameter in the first half of rearing and a plastic container, 20×14×8 cm, in the latter half instead of the petri dish used by SAITO. Both in the petri dish and in the plastic container a trough was made on the surface of the diet to enable the larvae to bore into it easily, and in the plastic container corrugated carboard strips were placed for pupation. Number of emerged moths was 116 to 75 per container during three generations after the start of rearing and no deformed moth was observed. Development of newly hatched larvae to the time when 50 per cent of them emerged took 27-28 days. No difference was found in the body weight of pupae reared by the new method and the previous one. Adult emergence rates were 66-80 per cent and larval mortality occurred mainly during the former half period. Oviposition was made in a paper bag and mating rate of tested females was 62-89 per cent. There were a few containers in which all the females emerged.
日本応用動物昆虫学会の論文
1982-08-25