Journal of Entomological Research

SCOPUSWeb of Science
  • Year: 2007
  • Volume: 31
  • Issue: 3

Age specific life tables for red spider mite, Oligonychus coffeae on two different types of tea plant1

  • Author:
  • S. Chakraborty, P.K. Dey, D.K. Bhattacharya, P.K. Sarkar, A.K. Somchoudhury
  • Total Page Count: 4
  • DOI:
  • Page Number: 213 to 216

Department of Zoology, University of Kalyani, Kalyani - 741 235, Nadia, West Bengal, India

*Department of Agricultural Entomology, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741252, Nadia, West Bengal.

Abstract

The age specific life tables for red spider mite, Oligonychus coffeae on two different types viz. the China type (AV-2) and the Assam type (TV-19), tea plant were constructed under laboratory conditions. The intrinsic rates of natural increase of O. coffeae in both types of tea plants increased manifold over the last three decades. Finite rate of increase of O. coffeae on the Assam type of tea leaves was 1.192 female/female/day and in case of the China type this value was 1.184 female/female/day.