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首页> 外文期刊>Australian Journal of Crop Science >New morphological key using male prothoracic leg characters to identify Helicoverpa(Lepidoptera: Noctuidae) species
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New morphological key using male prothoracic leg characters to identify Helicoverpa(Lepidoptera: Noctuidae) species

机译：利用男性前胸腿特征识别Helicoverpa（鳞翅目：夜蛾科）物种的新形态学关键

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Since invasion of Helicoverpa armigera (Hübner) in South America, identification of Helicoverpa species became essential for Integrated Pest Management (IPM). Thus, we worked out on a pictorial key to identify tree important Helicoverpa species that occur in the Southern Cone of America, using new morphological characters from the prothoracic legs. Adult male and female of Helicoverpa zea (Boddie), H. armigera, and Helicoverpa gelotopoeon (Dyar) were used for identification. Prothoracic legs from moths were removed and images were taken (magnification of 25X) with scales and specialized scales. In addition, images (magnification of 50X) of prothoracic legs were used to measure the foretibia and epiphysis. The results showed that measurable characters were more reliable and accurate on male moths than female moths. For this reason, we will show only detailed results of male moths. Foretibia of H. zea were longer than H. gelotopoeon, but shorter than H. armigera. This size is visible with or without scales and specialized scales on males. Here, we show a first detailed description of protibial epiphysis. H. armigera has the longest epiphysis with fore margin pointed and with bristles terminating before the end of epiphysis. This illustrated pictorial key shown some first detailed descriptions of prothoracic legs. These characters are useful on integrated pest management programs of many crops to identify male representatives of Helicoverpa, which are captured on pheromone traps.
机译：自从南美棉铃虫（Hübner）入侵以来，对Helicoverpa物种的鉴定就成为了有害生物综合治理（IPM）的关键。因此，我们使用图形上的键确定了使用来自前腿的新形态特征来识别发生在美国南锥体的重要Helicoverpa树种。使用Helicoverpa zea（Boddie），H。armigera和Helicoverpa gelotopoeon（Dyar）的成年雄性和雌性进行鉴定。除去飞蛾的胸前腿，并用标尺和专用标尺拍摄图像（放大25倍）。另外，胸前腿的图像（放大50倍）用于测量前胫骨和骨epi。结果表明，雄蛾的可测性状比雌蛾更可靠，更准确。因此，我们将仅显示雄蛾的详细结果。玉米H. zeet的长于H. gelotopoeon，但短于棉铃虫。无论有无鳞片和雄性专用鳞片，均可看到此尺寸。在这里，我们显示对epi骨epi骨的第一个详细描述。棉铃虫的骨epi最长，前缘尖，硬毛在骨epi末端之前终止。该图示的图形键显示了对胸部前肢的一些初步详细描述。这些字符在许多作物的病虫害综合防治计划中很有用，可用来识别被信息素捕获器捕获的Helicoverpa的雄性代表。

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