Introduction Of the caterpillar pests affecting mango shoots, Orthaga exvinacea Hmpsn. a pyralid, is the most important. Little or no connected account of the pest exists excepting for scattered references made, by Hampson (1896), Fletcher (1914) and Ramakrishna Ayyar (1932; 1940). A record of the observations on the pest made over a period of two years is presented in this paper.
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