コナダニ類の繁殖条件の研究 : XI. コウノホシカダニ Lardoglyphus konoi のヒポプス形成に対する栄養条件の影響

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タイトル別名
  • Studies on environmental factors for the breeding of grain mites : XI. The effect of nutrient on hypopus formation in Lardoglyphus konoi
  • コナダニ類の繁殖条件の研究-11-コウノホシカダニLardoglyphus konoiのヒポプス形成に対する栄養条件の影響
  • コナダニルイ ノ ハンショク ジョウケン ノ ケンキュウ 11 コウノホシカダニ Lardoglyphus konoi ノ ヒポプス ケイセイ ニ タイスル エイヨウ ジョウケン ノ エイキョウ

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説明

In previous paper, the author reported that 30℃ and 85% R.H. were most suitable condition for the formation of hypopus as well as the reproduction of Lardoglyphus konoi observed as total counts of the whole mites in each stage. The present study was made to observe the mode of breeding and hypopus formation of L. konoi in various kinds of diet from which supposed nutrient substances were reduced. These substances were obtained from fish meal and dried yeast powder which were treated respectively with water (at 5℃ for 24hr), boiling water (at 100℃ for 24hr), ethanol or acetone (at 5℃ for 7 days). Two groups of diet were prepared with the above residue as follows : (1) mixture of dried yeast powder and residue of fish meal treated with various kinds of solvent at ratio of 6 : 4,(2) mixture of fish meal and residue of dried yeast powder treated with various kinds of solvent at ratio of 4 : 6. Initially 300 mites were inoculated on 10g of the diet. They were kept at 30℃ and 85% R.H. regulated with saturated KCl solution. On any kinds of diet with the residue of fish meal, total count of mites in each stages was low while the ratio of the hypopus formation was higher in general. Total count of the mites was low on the diet, mixture of untreated fish meal and residue of dried yeast powder extracted with boiling water, while the ratio of the hypopus formation was the highest. Number of the mites was high on the diet, mixture of untreated fish meal and residue of dried yeast powder extracted with water at 5℃, whereas hypopus ratio showed next to the above. The highest count of the mites was observed on the diet; untreated fish meal and yeast powder which was dried and reground after soaking in to boiling water for 24hr, but the hypopus ratio was low.

収録刊行物

  • 衛生動物

    衛生動物 24 (1), 1-7, 1973

    日本衛生動物学会

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