noun Biology.
the development of different stages of a parasitic species on different host plants.

1870–75; heter- + Greek oik(ía) house + -ism

heteroecious [het-uh-ree-shuhs] , adjective
heteroeciously, adverb
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World English Dictionary
heteroecious (ˌhɛtəˈriːʃəs)
Compare autoecious (of parasites, esp rust fungi) undergoing different stages of the life cycle on different host species
[from hetero- + -oecious, from Greek oikia house]

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American Heritage
Medical Dictionary

heteroecious het·er·oe·cious (hět'ə-rē'shəs)
Spending different stages of a life cycle on different, usually unrelated hosts. Used of parasites such as rust fungi and tapeworms.

het'er·oe'cism (-sĭz'əm) n.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
heteroecious   (hět'ə-rē'shəs)  Pronunciation Key 
Relating to a parasite that spends different stages of its life cycle on different, usually unrelated hosts. The term is used especially of certain kinds of rust fungi, but may also be applied to other parasites like tapeworms. Compare autoecious.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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