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Spending different stages of the life cycle on different, usually unrelated hosts. Used of parasites.

[hetero- + Greek oikiā, house; see weik- in Indo-European roots + -ous.]

het′er·oe′cism (-sĭz′əm) n.


(Biology) (of parasites, esp rust fungi) undergoing different stages of the life cycle on different host species. Compare autoecious
[from hetero- + -oecious, from Greek oikia house]
ˌheterˈoecism n
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.heteroecious - of parasites; passing through different stages of the life cycle on different host species; "heteroecious fungi"; "heteroecious insects"
autoecious, homoecious - of parasites especially rust fungi; completing the entire life cycle on a single host; "autoecious rust fungi"
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References in periodicals archive ?
In our country, Aphis nasturtii is a heteroecious species, the primary host plant is Malus spp.
In Europe, and possibly Pakistan, where it may be heteroecious holocyclic with a sexual phase on Ribes orientale.
no host alternation); (2) monoecious/heteroecious populations known; (3) strictly heteroecious (i.