イナトミシオカ<i>Culex inatomii</i> の生態に関する実験的研究：飼育水の塩分濃度および気温が幼虫発育に与える影響と低温条件下の個体群の繁殖
書誌事項
- タイトル別名
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- Experimental studies on the ecology of <i>Culex inatomii</i> (Diptera: Culicidae): Effects of salinity and temperature on larval development and reproduction of populations during the cool season.
- イナトミシオカ Culex inatomii ノ セイタイ ニ カンスル ジッケンテキ ケンキュウ シイクスイ ノ エンブン ノウド オヨビ キオン ガ ヨウチュウ ハツイク ニ アタエル エイキョウ ト テイオン ジョウケン カ ノ コタイグン ノ ハンショク
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Laboratory experiments were carried out on the effects of salinity and temperature on larval development of Culex inatomii, and the oviposition and blood-feeding activity of emerging females during the cool season. Hatchability, survival rate of larvae, and developmental period from hatch to adult emergence were examined in water containing 0 to 1.6% NaCl. The highest hatching rate (0.91) and pupation rate (0.91) was observed when eggs and larvae were reared in water with 0.6% NaCl. Developmental period from hatch to adult emergence for females was about 12 days within a salinity range of 0 to 1.0%, and larval development was delayed at higher salinities from 1.2 to 1.6%. Development and survival of hatched larvae were examined under 6 different air temperatures between 18°C and 29°C, and the results indicated an optimum air temperature for larval survival of approximately 25°C. The relationship between air temperature and developmental rate of Cx. inatomii larvae was analyzed by the linear regression method, and threshold air temperature for larval development was 8.75°C and 9.51°C for females and males. Cohorts of young larvae were reared in the laboratory without temperature control to examine development to adult and reproduction of emerging adults during the cool season. The results of exposure experiments in October-November and early March showed a low adult emergence rate of 0.01 to 0.14 and no egg production. The females oviposited when they were reared under changing temperatures in mid-March and April during the larval stage. Fifty-five to 88% of emerging females laid eggs autogenously, and 41% of the females took more than two blood meals during their life.
収録刊行物
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- 衛生動物
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衛生動物 61 (4), 327-333, 2010
日本衛生動物学会
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詳細情報 詳細情報について
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- CRID
- 1390282679918145792
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- NII論文ID
- 130004558979
- 10027435093
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- NII書誌ID
- AN00021948
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- ISSN
- 21855609
- 04247086
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- NDL書誌ID
- 10933266
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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