Improving the effectiveness of pitfall traps for the detection of insect pests in grain
About this project
The use of insect probe and pitfall cup traps for the detection of insects in grain bulks has been shown to be more efficient than 'traditional' methods of examination of spear or vacuum samples for insects. However, these traps have some limitations due to their cost and difficulties in use. A simple trap design of a perforated, covered pitfall cone trap was developed to replace both the probe and pitfall cup. Following pilot laboratory and practical trials a production design 'PC' trap was produced. Initial trials indicate that 'PC' traps are as good, if not better for the detection of the major pest species of grain insects than probe or pitfall cup traps.
A method to produce carob-derived volatiles for use in traps as a multi-species attractant has been refined and scaled up by a factor of 10, to provide sufficient material for testing in traps. Attention has now been directed to work on formulation development in order to increase lure life.
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