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北限付近のトホシテントウにおける季節適応 II. 卵巣の発育と退化に及ぼす日長と温度の影響
Seasonal Adaptation in a Northernmost Population of Epilachna admirabilis (Coleoptera : Coccinellidae) II. Effect of day-length and temperature on the ovary development
Japanese Journal of Entomology (New Series)
Seasonal Adaptation in a Northernmost Population of Epilachna admirabilis (Coleoptera : Coccinellidae) II. Effect of day-length and temperature on the ovary development
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A part of adUlts hibernated occa − sio駐 al且 y, and ovipOsited aga 圭 n from the next June. Oviposition by pos レ hibernating females occurred in a range of day lengths≧ 14 L and l5 − 27℃ , but their ovarioles developed up to halfway even under a short − day photope ゴ ー od , 10LAI ‡ hough veloc 三 ty of the ovary deve且 opment was 磁 ghtly a伍 ted by day length females exposed , thresho豆 d of thc dcvelopmcnt was 7. 9℃ and thermal constant was 219℃ − days at 16 L conditien . Mature ovary of newly
doi:10.20848/kontyu.3.2_55
fatcat:zxjsi3si5vhlbiytn46lnrw3q4