Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Studies on varietal incidence and control of stone weevil, Sternochetus (=Cryptorrhynchus) mangiferae Fabricius (Coleoptera: Curculionidae).

Abstract

Field trials were carried out in Karnataka, India, in 1975-79 on the incidence of Sternochetus mangiferae in fallen and sample fruits of mango of different varieties and on the effectiveness of 4 insecticides against the pest. All varieties of fallen and sample fruits examined were susceptible to the pest, incidence ranging from 52.39% in Langra to 83.2% in Jahangir in fallen fruits and from 48% in Langra to 87% in Totapuri in sample fruits. Of the insecticides tested, carbaryl at 0.1 and 0.2%, monocrotophos at 0.05% and dimethoate at 0.06% were the most effective in reducing infestation.