Journal of Biological Control

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The ischolar_main borer Emmalocera depressella Swinhoe was considered as a minor pest of sugarcane in Bihar, Uttar Pradesh, Haryana, Punjab, northern parts of Gujarat, Maharashtra, Karnataka and Andhra Pradesh (Usman and Puttarudriah, 1955; Avasthy, 1967; Avasthy and Tiwari, 1986). Recently, the pest was observed in Tamil Nadu also. Root borer becomes a sedons pest, when the wilt disease of sugarcane also occurs along with it (Jayanthi and David, 1990). During the survey for ischolar_main borer occurrence in Saraswathi Sugar Mills, Yamunanagar in Haryana, a number of larvae were found to be infected and mummified by a fungal pathogen. The dead larvae became hard and brittle. The body showed pinkish colouration in the initial stages of infection and was covered with a white fluffy fungal mat in the advanced stages. More than 1000 larvae were examined out of which about 10 per cent larvae showed fungal infection.

Keywords

Beauveria bassiana, Sugar Cane Root Borer, Emmalocera depressella.
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