外寄生虫 [
wài jì shēng chóng]
ectozoa
ectozoic parasite
- 有害生物:病原微生物,虫(体内、外寄生虫,昆虫),害(有害物质、杂草等);
Harmful existences: pathogenic microbes, pests (celozoic and ectozoic parasites, insects), weeds and other harmful substances. - 涡虫是雌雄同体的,生殖系统适于体内受精。单起源的吸虫(单殖纲)大多是鱼的外寄生虫。
Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes. - 对引起世界各地尤其是北美洲和欧洲的鹿科动物寄生虫病的多种内寄生虫及外寄生虫进行了介绍。
In this article, many kinds of Cervidae animal entozoic and ectozoic parasite are summarized throughout the world, especially in North America and Europe.
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