Parasiticfly larvae began attacking hatchlings of the Darwin finch a few years ago.
几年前,寄生蝇的幼虫开始攻击达尔文雀的幼鸟。
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The mutation occurred, the researchers conclude, to protect male crickets from a deadly parasiticfly (Ormia ochracea) that uses the cricket song to locate crickets as hosts.
Bee fly: any of various flies of the family bombyliidae that resemble bees feed on nectar and pollen and have larvae that are parasitic on bees wasps and other insects.