black cat 於 2007 年 11 月 25 日 上載

檗黃の蛻變

檗黃粉蝶蛹屬縊蛹,以下是牠的前蛹化蛹之過程:



前蛹:

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化蛹過程:

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幼蟲表皮向尾部拉扯褪出,可以看見其尾部舊皮重疊出現的皺摺:

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背部表皮沿「蛻裂線」裂開,幼蟲頭殼亦開始撕裂:

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蝶蛹頭部初現:

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舊皮繼續向後褪出:

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舊的蟲頭頭殼順利穿過V形縊線:

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約八成的舊表皮已褪至接近尾端:

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關鍵一刻:蟲皮完全褪出,蛹的「臀棘」抽離舊皮:

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臀棘順利鉤抓住絲座,蝶蛹牢固地穩抓枝條上:

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蝶蛹蠕動擺脫舊蟲皮,無用的舊蟲皮掉落地上的一刻:

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檗黃粉蝶化蛹過程完成:

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經過數小時後,蝶蛹顏色開始變深,最後形成黑色的蝶蛹:

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