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首页> 外文期刊>Ecological research >Response of the wasp (Cotesia glomerata) to larvae of the large white butterfly (Pieris brassicae)
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Response of the wasp (Cotesia glomerata) to larvae of the large white butterfly (Pieris brassicae)

机译：黄蜂（Cotesia glomerata）对大型白蝴蝶（Pieris brasicae）幼虫的反应

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摘要

The large white butterfly (Pieris brassicae L) first invaded northernmost Japan from Siberia around 1994, and after a few years, began to expand its range. The wasp, Cotesia glomerata (L) parasitizes larvae of the small white butterfly (Pieris rapae crucivora Boisduval), a usual host in the same geographic area. Some Pieris brassicae larvae in Hokkaido have been parasitized by Cotesia glomerata, but the parasitism rate of Pieris brassicae larvae tends to be lower than that of Pieris rapae. To examine the process of parasitizing Pieris brassicae larvae, we observed how the parasitoid wasp responded to the host larvae on damaged leaves. Cotesia glomerata females tended to avoid Pieris brassicae larvae, and even when female wasps inserted their ovipositors into Pieris brassicae larvae, none laid eggs. The parasitoids obtained from Pieris rapae larvae failed to parasitize Pieris brassicae during the host-acceptance step.
机译：大型白色蝴蝶（Pieris brasicaica L）最早于1994年左右从西伯利亚入侵日本，并在几年后开始扩大其范围。黄蜂Cotesia glomerata（L）寄生了白色小蝴蝶（Pieris rapae crucivora Boisduval）的幼虫，该蝴蝶通常是同一地区的寄主。北海道的一些菜青虫幼虫已被棉球菌寄生，但菜青虫的寄生率往往低于菜青虫。若要检查寄生菜青虫的幼虫的过程，我们观察到寄生虫黄蜂对受损叶片上的寄主幼虫有何反应。 Cotesia glomerata雌性趋向于避开菜青虫的幼虫，即使雌性黄蜂将其产卵剂插入菜青虫的幼虫中，也没有产卵。在寄主接受步骤中，从菜青虫幼虫获得的寄生虫不能寄生化菜青虫。

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