What are Damsel Bugs doing in cotton? Improving IPM Strategies for cotton

Date Issued:2002-08-13

Abstract

The important role that beneficial arthropods play in cotton farming systems is increasingly being recognised across the industry. Many growers and consultants are now growing unsprayed 'nursery' crops to generate beneficials on-farm, releasing mass-reared beneficials into crops to bolster their numbers, and using less disruptive insecticides to preserve them. In addition, some are regularly sampling beneficials to use estimates of their abundance and potential impact to make dynainic pest management decisions. An insight into the day to day behaviour of these beneficial species would greatly benefit integrated pest management (IPM) strategies for cotton by increasing our understanding of these biological control agents and our ability to better manipulate them. For example, would maculate ladybird beetles be less prone to an insecticide applied before or after sunrise? Is there an overlapping within plant distribution of green mind nymphs and lynxx spiders? The aim of the present study was to use direct visual observational methods to investigate the behaviour of a common predatory species, the damselbug in the cotton agro-ecosystem.

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