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Journal of Pest Science - Longhorn beetles are commonly moved among continents within wood packaging materials used in trades. Visual inspections carried out at points of entry often fail to detect...  相似文献   
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We provide an overview of both traditional and innovative control tools for management of three Xylosandrus ambrosia beetles (Coleoptera: Curculionidae: Scolytinae), invasive species with a history of damage in forests, nurseries, orchards and urban areas. Xylosandrus compactus, X. crassiusculus and X. germanus are native to Asia, and currently established in several countries around the globe. Adult females bore galleries into the plant xylem inoculating mutualistic ambrosia fungi that serve as food source for the developing progeny. Tunneling activity results in chewed wood extrusion from entry holes, sap outflow, foliage wilting followed by canopy dieback, and branch and trunk necrosis. Maintaining plant health by reducing physiological stress is the first recommendation for long-term control. Baited traps, ethanol-treated bolts, trap logs and trap trees of selected species can be used to monitor Xylosandrus species. Conventional pest control methods are mostly ineffective against Xylosandrus beetles because of the pests’ broad host range and rapid spread. Due to challenges with conventional control, more innovative control approaches are being tested, such as the optimization of the push–pull strategy based on specific attractant and repellent combinations, or the use of insecticide-treated netting. Biological control based on the release of entomopathogenic and mycoparasitic fungi, as well as the use of antagonistic bacteria, has yielded promising results. However, these technologies still require validation in real field conditions. Overall, we suggest that management efforts should primarily focus on reducing plant stress and potentially be combined with a multi-faceted approach for controlling Xylosandrus damage.

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Invasive alien species cost forestry billions of euros every year and their early detection is becoming of utmost importance. The aim of this study is to improve some of the techniques available for trapping alien wood boring beetles (Scolytinae, Cerambycidae, and Buprestidae) arriving at high-risk sites, such as ports. During 2009–2011, trapping carried out in four Italian seaports tested the comparative efficiency of different luring (single-lure vs. multi-lure traps) and trap designs (cross-vane vs. multi-funnel). In addition, trap captures within the ports were compared with those obtained in surrounding areas. Six out of 49 species trapped in 3 years of investigation were of alien origin: four Scolytinae and two Cerambycidae. The number of species trapped in multi-lure traps was as high as that resulting from the sum of the single-lure traps. The two trap designs performed equally well, but multi-funnel traps were more robust and easier to use in ports. In 2011, the number of species trapped in ports and surrounding areas was similar, although differently distributed. On a total of 26 species trapped in this experiment, nine were exclusive to ports, of which three aliens, eight were exclusive to surrounding areas, of which one alien, and nine were common to both habitats, of which one alien. In conclusion, we suggest the use of multi-funnel traps baited with different lures for monitoring alien wood boring beetles in ports. Using traps outside the port is also recommended to validate the surveillance program.  相似文献   
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The pine sawyer beetle Monochamus galloprovincialis (Olivier) (Coleoptera Cerambycidae) gained importance as a pest in Europe after the introduction in Portugal of the pine wood nematode Bursaphelenchus xylophilus, the agent of pine wilt disease. As the nematode is transmitted by the adult beetles during both maturation feeding and oviposition, effective methods of monitoring of the longhorn beetle populations are needed for the surveillance of the disease spread in Europe. Although in the last years many studies focused on the efficacy of different trapping methods, the general results are still controversial. In this study, we compared the efficiency of two trap types, cross-vane and multi-funnel, and two attractive blends, a kairomonal lure (??-pinene, ipsenol and methyl-butenol) and a commercial kit specific for M. galloprovincialis (pheromone plus kairomonal lure), in order to identify the trap/blend combination more appropriate for the surveillance of the M. galloprovincialis populations. Moreover, the trap efficiency was tested also in a pine stand colonized by M. galloprovincialis after a hailstorm and in a control stand. The results showed that the multi-funnel traps baited with the specific commercial kit was the most effective combination. Interestingly, trap catch was similar in the two pine stands, despite a different density of the target species. As the trapping method was effective also at low population density of M. galloprovincialis, it may be adopted as a general tool for beetle surveillance in the forest and at ports of entry.  相似文献   
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