Be prepared: Prioritising invasive species for strategic prevention in Durban, South Africa

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  • June 24, 2019
  • While exploring the way alien species invade cities around the world, South African PhD student Ashlyn L. Padayachee (University of KwaZulu-Natal, UKZN) and her supervisors, Serban Proches (UKZN) and John Wilson (SANBI and Stellenbosch University) remember suddenly being stricken. What they realised was that while cities were gradually starting to prepare for climate change, their responses to […]

    New improvements to how impacts of non-native species are assessed recommended

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  • April 1, 2019
  • The Centre for Agriculture and Bioscience International (CABI) has led an international team of non-native species (NNS) specialists who have compiled a list of recommendations to improve the way in which the impact of a range of invasive pests – such as the tomato leaf miner Tuta absoluta – are assessed, potentially helping towards ensuring greater global food […]

    Non-native pest-controlling wasp identified in Canada prior to formal approval

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  • February 25, 2019
  • Thought to be Canada’s most promising potential defense against the brown marmorated stink bug – a globally spreading agricultural pest native to Asia – the samurai wasp (another species from Asia and natural parasitoid of the former) has been considered for future release in the country in recent years. However, prior to any formal decision […]

    Scientists forecast where is the highly invasive fall armyworm to strike next

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  • January 9, 2019
  • Staple and economically important crops throughout the world could be at serious risk if efficient measures are not taken soon Known to be feeding on many economically important crops cultured across the world, including maize, rice, sugarcane, sorghum, beet, tomato, potato, cotton and pasture grasses, the larvae of the native to the Americas fall armyworm […]

    Advanced computer technology & software turn species identification interactive

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  • November 14, 2018
  • Important group of biocontrol wasps from Central Europe are used to demonstrate the perks and advantages of modern, free-to-use software Representing a group of successful biocontrol agents for various pest fruit flies, a parasitic wasp genus remains largely overlooked. While its most recent identification key dates back to 1969, many new species have been added […]

    Tiny moth from Asia spreading fast on Siberian elms in eastern North America

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  • September 17, 2018
  • In 2010, moth collector James Vargo began finding numerous specimens of a hitherto unknown pygmy moth in his light traps on his property in Indiana, USA. When handed to Erik van Nieukerken, researcher at Naturalis Biodiversity Center (Leiden, the Netherlands) and specialist in pygmy moths (family Nepticulidae), the scientist failed to identify it as a previously known […]

    Cage the fly: Walk-in field cages to assess mating compatibility in pest fruit flies

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  • December 1, 2015
  • Fruit flies mating compatibility studies have been examined by an international team of researchers to assess the usefulness of walk-in field cages in studying the sexual behavior within fruit fly species complexes and recognition of taxonomically misplaced flies. In addition, they have also evaluated the relevant chemical signals during pheromone emission for species discrimination. The […]