Drones are the latest weapon to be used to tackle fruit flies that can cause catastrophic damage to Scotland’s fruit crops. Scientists at the University of Aberdeen are pioneering the use of drones to monitor damage by the fruit fly Drosophila suzukii, also known as the spotted wing drosophila.

This pest has spread from south-east Asia to North America and recently to Europe and the UK, affecting many commercial fruit crops including strawberries, 
raspberries and grapes. Experts have warned it could cause losses of up to 80 per cent of Scotland’s multi-
million-pound soft fruit 
industry. Early detection is crucial to preventing devastating damage to crops, but traditional monitoring is time-consuming and costly, and the fruit fly is difficult to control with insecticides.

Dr David Green, from the university’s department of geography and the environment, said the pest has spread rapidly since arriving in the UK in 2012 and has been found as far north as Dundee. He said: “Early detection is key to prevention.

However, current monitoring methods usually involve manually checking traps for signs of the fruit fly, which is very time-consuming and inefficient if you are going from trap to trap over acres of land. “We are aiming to develop an automated system where drones fitted with cameras would fly over so-called ‘sticky traps’ which would trap the fly but in a way that allows it to be identified from the air.

Source: http://www.scotsman.com/news/environment/drones-to-protect-scotland-s-soft-crops-from-fruit-flies-1-4411855

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