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首页> 外文期刊>Forest Ecology and Management >Susceptibility of four Eucalyptus host species for the development of Thaumastocoris peregrinus Carpintero and Dellape (Hemiptera: Thaumastocoridae)
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Susceptibility of four Eucalyptus host species for the development of Thaumastocoris peregrinus Carpintero and Dellape (Hemiptera: Thaumastocoridae)

机译：四种桉树寄主物种对百里香拟南芥和Dellape（半翅目：Thomastocoridae）发育的敏感性

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摘要

Thaumastocoris peregrinus is a serious sap-sucking pest of Eucalyptus species in many important forest growing regions worldwide. This invasive insect may not only cause enormous economic losses to the eucalypt forest industry but also negatively affect urban trees in public spaces. We conducted laboratory experiments to evaluate the susceptibility of four Eucalyptus species for the development of T. peregrinus. Three of the tested Eucalyptus species are economically important for the forestry industry worldwide and the other is a popular amenity tree in New Zealand. The development of eggs, nymphs and adults was evaluated in excised leaf assays. Eucalyptus nitens and Eucalyptus nicholii were identified as suitable host plants. The adult leaf type of E. nitens was shown to be critical for successful feeding. Despite initiating feeding T. peregrinus did not survive beyond 1st instar nymph on either Eucalyptus fastigata or Eucalyptus regnans. Accordingly, our study contributes evidence that there may be a lower risk to species within the subgenus Monocalyptus from T. peregrinus damage. These are positive findings for the forestry sector as E. regnans and E. fastigata are both valued Eucalyptus species grown predominantly for pulp in commercial forestry in New Zealand and worldwide. (C) 2014 Elsevier B.V. All rights reserved.
机译：Thaumastocoris peregrinus是世界上许多重要森林生长地区的一种严重的桉树树汁吸害虫。这种入侵昆虫不仅可能给桉树林产业造成巨大的经济损失，而且还会对公共场所的城市树木造成负面影响。我们进行了实验室实验，以评估四种桉树对百日草的发育的敏感性。经过测试的三种桉树对全世界的林业产业都具有重要的经济意义，另一种是新西兰流行的舒适性树。在切除的叶片测定中评估了卵，若虫和成虫的发育。桉树和桉树被鉴定为合适的寄主植物。研究表明，成年的大肠埃希菌对成功喂养至关重要。尽管开始饲喂，百日草仍不能存活超过第一龄若虫，无论是对桉树还是对桉树。因此，我们的研究提供了证据，证明百日草破坏对单叶亚属内的物种可能具有较低的风险。对于林业部门来说，这是积极的发现，因为雷根大肠埃希菌和快叶大肠埃希菌都是珍贵的桉树树种，主要在新西兰和全世界的商业林业中用作制浆。 （C）2014 Elsevier B.V.保留所有权利。

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