形容詞 heteroecious:

1. of parasites; passing through different stages of the life cycle on different host species

het.er.oe.cious

adj.（形容詞）
Spending different stages of a life cycle on different, usually unrelated hosts. Used of parasites such as rust fungi and tapeworms.
異寄主的：在生命周期的不同階段，寄生于不同的、通常為不相關(guān)的寄生主上的，如銹菌真菌和絳蟲等寄生蟲

來源：
hetero-
hetero-
Greek oikia [house] * see weik-
希臘語 oikia [房子] *參見 weik-
-ous
-ous

【引伸】
het.eroe.cism