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蝶蛹金小蜂寄生对菜粉蝶和玉带凤蝶蛹血细胞数量和组成的影响

, PP. 158-162

Keywords: 蝶蛹金小蜂,菜粉蝶,柑桔凤蝶,血细胞数量,浆血细胞,颗粒血细胞

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Abstract:

以血球计数板较系统地考查了菜粉蝶和柑桔凤蝶雌雄蛹被蝶蛹金小蜂寄生后浆血细胞和颗粒血细胞数量的时间动态变化,以明确该蜂寄生对其寄主血细胞数量和组成的影响。结果表明,菜粉蝶蛹被寄生后,其血细胞总数除寄生后2天外均极显著高于同期未寄生蛹,最多的约高出20倍;除被寄生后0.5和5天的寄生蛹的血细胞组成与同期未寄生蛹无显著差异外,寄生后1~4天雌雄寄生蛹的浆血细胞所占比例均显著低于同期未寄生蛹,而颗粒血细胞所占比例则反之。玉带凤蝶寄生蛹的血细胞总数在寄生后0.5~3天与同期未寄生蛹相比均无显著差异,但寄生后4~5天却显著升高,最多的约高出3倍;寄生后0.5~5天的寄生蛹浆血细胞所占比例均显著低于同期未寄生蛹,而颗粒血细胞所占比例恰反之。可见,该蜂寄生在一定时间内不仅能引起其两种寄主血细胞总数和颗粒血细胞所占比例明显增高,而且能导致浆血细胞所占比例明显下降。

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