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首页> 美国卫生研究院文献>Journal of Insect Science >Morphological Features of the Ovaries During Oogenesis of the Oriental Fruit Fly Bactrocera dorsalis in Relation to the Physiological State
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Morphological Features of the Ovaries During Oogenesis of the Oriental Fruit Fly Bactrocera dorsalis in Relation to the Physiological State

机译：东方果蝇Bactrocera dorsalis卵子发生过程中卵巢的形态特征与生理状态的关系

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Determination of physiological state in insects is useful in furthering the understanding of how insect behavior changes with age. Central to this determination is the identification of characters that allow assessment of physiological age. While non-destructive measures produce the most desired outcomes, internal markers may be more diagnostic and reliable. In this study, key morphological characters during previtellogenesis through vitellogenesis and ovulation were assessed as markers to determine physiological states of the oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae). Ovary length and width, ovarian index (length × width), and egg load of laboratory-reared B. dorsalis females recorded daily from eclosion up to 80 days old suggested significant differences in the ovarian index and egg load between females from each oogenesis stage. Parity status determined by the presence of follicular relics was found to provide high-accuracy classifications for B. dorsalis females. The presence of follicular relics with distinct morphological features provides a reliable identification tool to determine the physiological state of wild female oriental fruit fly. The potential applications of this technique to identify the physiological age of female fruit flies to study behavioral attributes in their natural habitat, and also the potential applications in relation to field control, are discussed.
机译：确定昆虫的生理状态有助于进一步了解昆虫的行为随年龄变化。该确定的中心是识别允许评估生理年龄的字符。尽管非破坏性措施可产生最理想的结果，但内部标记物可能更具诊断性和可靠性。在这项研究中，通过卵黄发生和排卵在玻璃体形成过程中的关键形态特征被评估为确定东方实蝇Bactrocera dorsalis（Hendel）（Diptera：Tephritidae）生理状态的标志物。从孵化到80天的每天记录的实验室饲养的背侧双歧夜蛾雌性的卵巢长度和宽度，卵巢指数（长×宽）和卵负荷表明，在每个卵子生长期，雌性之间的卵巢指数和卵负荷存在显着差异。发现由卵泡文物的存在确定的奇偶状态可为背侧双歧杆菌女性提供高精度分类。具有明显形态特征的卵泡文物的存在为确定野生雌性东方果蝇的生理状态提供了可靠的鉴定工具。讨论了这项技术在确定雌性果蝇生理年龄以研究其自然栖息地的行为特征方面的潜在应用，以及与田间控制有关的潜在应用。

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