New coleopteran pest record on mango in Ilocos Norte [Philippines]
2019
Cayabyab, B.F. | Magsino, G.L. | Ebuenga, M.D. | De Roxas, M.C.dL. | Alforja, L.M.
Four samples of a coleopteran pest on mango from Ilocos Norte, Philippines were forwarded by Chief Marivic Begonia of the RCPC [Regional Crop Protection Center] 1, San Fernando, La Union Center on February 13, 2019 to the UPLB-NCPC [University of the Philippines-National Crop Protection Center] Quick Response Team. The pest, identified as Deporaus sp. (Mango leaf-cutting beetle) (Coleoptera:Rhynchitidae), is a new record. The characteristic damage of the mango leaf-cutting weevil as observed in the field on March 28, 2019 are cut young leaves. Infestation is characterized by 'window panes' (scraping adaxial leaf epidermis) on young leaves by adult weevils. It attacks new flushes of leaves, turning the affected leaves brown, curly, and crumpled. A similar pest on mango was recorded in nearby countries such as India , Thailand, Malaysia, Bangladesh, and China. Reports on the genus Deporaus in the Philippines do not include its historical infestation on mango. A collaborative research, development, and capacity-building will be conducted shortly with the concerned farmers, LGUs, [local government unit] RCPC 1 and the project staff.
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