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Notes on Cassava Weevil-borers of the Genus Coelosternus (Col. Cureulionidae)

, : Notes on Cassava Weevil-borers of the Genus Coelosternus (Col. Cureulionidae). Rev. Ent, Rio de Janeiro, 13: 3, 304-308

The author reviews records of weevils of the genus Coelosternus on cassava (Manihot utilissima) in tropical America and briefly describes the adults, larvae and pupae of C. alternans, Boh., and C. tardipes, Boh., which have recently been found attacking it in Trinidad, the former being the commoner. The larvae of both bore in the stem, weakening the plant and rendering it liable to break. The roots are not attacked.


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