ナガチャコガネ幼虫の飼育法の検討

概要

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The larvae of a scarabaeid, Heptophylla picea MOTSCHULSKY, just after hatching were divided into four groups and each group (30 individuals) was reared under following conditions. The groups 1 and 2 were supplied with peat moss and a piece of carrot. The group 3 was supplied with only peat moss and group 4 was supplied with leaf mold. The group 1 was kept at 25°C and the others were kept at 18°C. Each group was kept in the dark.<BR>All larvae of the groups 3 and 4 died within the 1st or 2nd instar. Twenty-three larvae of the group 2, and 9 larvae of the group 1 developed up to the 3rd (last) instar, respectively. The period of the 2nd instar of the group 1 was twice as long as that of the group 2.<BR>In the result of present experiment, the most favorable condition for rearing the larvae of H. picea was the following requirements : use of peat moss as medium and of carrot as food and maintenance of temperature at 18°C.
日本茶業技術協会の論文