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- larvae are parasitic on sheep. 幼虫寄生在绵羊的身上。
- Any of various usually wingless,louselike insects of the family Hippobosciddae that are parasitic on sheep,goats,and other animals. 扁虱虱蝇科的多种寄生于绵羊、山羊和其它动物身上的似虱无翅昆虫
- Any of various usually wingless, louselike insects of the family Hippobosciddae that are parasitic on sheep, goats, and other animals. 扁虱虱蝇科的多种寄生于绵羊、山羊和其它动物身上的似虱无翅昆虫
- The hatching larvae are parasitic, feeding on the flesh of the host. 幼虫在孵化过程中是寄生的，靠寄主的肉为生。
- hairy nectar-eating fly that resembles a bee; larvae are parasitic on larvae of bees and related insects. 食花蜜的多毛的苍蝇，形似蜜蜂；幼虫寄生在蜜蜂的幼体上，与昆虫有关。
- hymenopterous insect that resembles a wasp and whose larvae are parasitic on caterpillars and other insect larvae. 象黄蜂的膜翅类昆虫，其幼虫寄生在毛虫和其它昆虫的幼体内。
- hairy nectar-eating fly that resembles a bee; larvae are parasitic on larvae of bees and related insects 食花蜜的多毛的苍蝇，形似蜜蜂；幼虫寄生在蜜蜂的幼体上，与昆虫有关
- hymenopterous insect that resembles a wasp and whose larvae are parasitic on caterpillars and other insect larvae 象黄蜂的膜翅类昆虫，其幼虫寄生在毛虫和其它昆虫的幼体内
- 8. hymenopterous insect that resembles a wasp and whose larvae are parasitic on caterpillars and other insect larvae. 象黄蜂的膜翅类昆虫，其幼虫寄生在毛虫和其它昆虫的幼体内。
- any of various usually wingless,louselike insects of the family Hippobosciddae that are parasitic on sheep,goats,and other animals 虱蝇科的多种寄生于绵羊、山羊和其它动物身上的似虱无翅昆虫
- Any of various stout,two-winged flies,chiefly of the genera Gasterophilus and Oestrus,having larvae that are parasitic on various animals,especially horses and sheep,and sometimes on humans. 马蝇，一种胃蝇属和狂蝇属身体大的双翼蝇，其幼虫寄生于多种动物，尤其是马和羊，有时也寄生在人体内。
- Any of various stout, two-winged flies, chiefly of the genera Gasterophilus and Oestrus, having larvae that are parasitic on various animals, especially horses and sheep, and sometimes on humans. 马蝇一种胃蝇属和狂蝇属身体大的双翼蝇，其幼虫寄生于多种动物，尤其是马和羊，有时也寄生在人体内
- Any of various stout, two - winged flies, chiefly of the genera Gasterophilus and Oestrus , having larvae that are parasitic on various animals, especially horses and sheep, and sometimes on humans. 雌性动物的)动情,动情周期:大多数哺乳动物(包括人类)的雌性产生的周期性的性冲动,在此期间内雌性具有排卵的优势,所以该期间最适合性交;
- Any of various stout, two-winged flies, chiefly of the generaGasterophilus and Oestrus, having larvae that are parasitic on various animals, especially horses and sheep, and sometimes on humans. 马蝇：一种胃蝇属和狂蝇属身体大的双翼蝇，其幼虫寄生于多种动物，尤其是马和羊，有时也寄生在人体内
- Parasitic on sheep and cattle as well as humans,can transmit looping ill in sheep (acute viral disease of the nervous system),a vector for Lyme disease spirochete. 寄生在羊、牛以及人身上，在绵羊中传播疯狂病（神经系统敏感的病毒疾病），一种莱姆关节炎螺旋菌。
- any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects. 各种微小的昆虫，其幼虫寄生在其它昆虫的卵和幼体中；许多小蜂对消灭有害的昆虫有用。
- stout-bodied hairy dipterous fly whose larvae are parasites on humans and other mammals. 身体短胖而多毛的双翅目苍蝇，其幼虫寄生在人和其它哺乳动物身上。
- stout-bodied hairy dipterous fly whose larvae are parasites on humans and other mammals 身体短胖而多毛的双翅目苍蝇，其幼虫寄生在人和其它哺乳动物身上
- Working dogs help on sheep farms or game reserves. 工作犬可以牧羊，或在动物保护区里帮忙。
