Volume No. 2 Issue No.: 4 Page No.: 560-567 April-June 2008

 

INSECTICIDAL RESISTANCE TO TEA MOSQUITO BUG, Helopeltis theivora WATER HOUSE (MIRIDAE: HETEROPTERA) IN NORTH EAST INDIA

 

G. Gurusubramanian*1 and S. Bora2

1. Department of Zoology, Mizoram University, Tanhril, Aizawl , Mizoram (India)
2. Department of Entomology, Plant Protection Division, Tocklai Experimental Station, Tea Research Association, Jorhat, Assam (India)

 

Received on : October 7, 2007

 

ABSTRACT

 

Following increasing reports from tea planters that insecticides becoming less effective against tea mosquito bug in North East India, the present study were conducted to determine the level of resistance developed by male and female populations of Helopeltis theivora Waterhouse during 2006-2007. Three different populations (Darjeeling, Dooars and Assam) were tested against thirteen commonly used insecticides. The study indicated that the resistance developed by population of different locations ranged from 1.47

 

Keywords : Helopeltis theivora, Tea, Resistance, Insecticides, Population

 

 

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