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    We describe and illustrate the life history and immature stages of Anthonomus monostigma Champion (Curculionidae: Curculioninae: Anthonomini). This weevil is a fruit borer in Miconia calvescens DC (Melastomataceae), a Neotropical tree that is invasive in Pacific islands. The larva has three instars, and development from egg to adult requires approximately two months. In Costa Rica, A. monostigma larvae were found in three Miconia species, and adults fed only on Miconia species. Host relationships of the A. monostigmagroup suggest that this group could be related to the A. partiariusand A. albocivitensis groups (sensu Clark 1992, 1993b). The potential of A. monostigma as a biological control agent is discussed.

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    Chacón-Madrigal, Eduardo; Johnson, M.Tracy; Hanson, Paul. 2012. The life history and immature stages of the weevil Anthonomus monostigma Champion (Coleoptera: Curculiondidae) on Miconia calvescens DC (Melastomataceae). Proceedings of the Entomology Society of Washington 114(2), pp. 173-185. DOI:10.4289/0013-8797.114.2.173


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    biological control, fruit-borer, invasive species, host plants, Costa Rica, Hawaii

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