BIOECOLOGY AND MANAGEMENT OF CITRUS TRUNK BORER Anoplbphora (Monohammus) versteegi RITSEMA (COLEOPTERA: CERAMBYCIDAE): A MAJOR PEST OF CITRUS IN NORTH EASTERN INDIA

SHYLESHA A. N., AZAD THAKUR N. S., MAHESH KUMAR

Abstract


Trunk borer, Anoplaphora (Monolmmmus) vet‘:/eegi Rits, the most destructive  pest of citrus in North Eastern Hill region of India was found causing 68.15 per cent damage  bet\veen 1992-1995. Emergence of adult beetles was found from first week of March to September  \vith peaks occurring in May. An average of 2.38, 2.22, 2.02 and 1.68 beetles emerged per plant  during 1992-1995, respectively. Adult females laid 40-50 eggs and only one generation was  observed per year. Management practices using mechanical methods like collection of adults,  destruction of eggs and grubs were found to be effective. Integration ofmechanical and chemical  tncthods was found to give 100 per cent control of borer incidence during 1994-95.


Keywords


Attaplophora (lllmia/tammus) verrlecgi Rits; bioecology; citrus; integrated management

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