专性寄生虫
- 网络obligatory parasite;an obligate parasite;stenoxenous parasite
专性寄生虫-
吸虱是寄生于真兽类哺乳动物体表的专性吸血寄生虫，广布于世界各地。
Sucking lice are exclusively hematophagous ectoparasites of eutherian ( placental ) mammals , and are worldwide distribution .
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防治勒克瑙根结线虫危害最有效、最经济的方法是利用勒克瑙根结线虫属于专性植物寄生虫的生物学特征，实行蔬菜轮作。
The most effective and economical control is rotation of vegetables according to the biological specific plant parasitic character of M.lucknowica .