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from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Feeding on a restricted range of food substances, especially a limited number of plants. Used chiefly of insects.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. that feed on a restricted range of food


From oligo- + -phagous (Wiktionary)


  • Most phytophagous insects are diet specialists, i.e., they feed on one or a few plant species that are closely related (monophagous, host plants within one plant genus, or oligophagous, host plants within one family) [2].

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  • Y. cagnagellus may have arisen in this ancestor, allowing it to radiate on Rosaceae The only oligophagous species,

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  • Yponomeuta padellus and four of Y. cagnagellus from different localities and (in the case of the oligophagous

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