n.bristly fly whose larvae live parasitically in caterpillars and other insects; important in control of noxious insects
英汉双解大词典
tachina fly/ˈtækɪnə/
1.
N(名词)
any bristly fly of the dipterous family Tachinidae, the larvae of which live parasitically in caterpillars, beetles, hymenopterans, and other insects 寄蝇