三种虫物种 (Coleoptera,Scarabaeoidea) 的基于里程碑的翅膀形态测量方法
Pengliang Pan1, Shibao Guo1, Fangmei Zhang1
1College of Agronomy, Xinyang Agriculture and Forestry University, Xinyang 464000, China.
Biology
|March 26, 2025
概括
后翼形状有效地区分了甲甲虫物种,但不是性别. 校正所有度可以提高这些农业害虫的分类准确性.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 农业科学 农业科学
- 形态测量法 形态测量法 形态测量法
背景情况:
- 甲甲虫 (Holotrichia属) 是一个重要的农业害虫.
- 尾翼形态在这个属中未被充分利用用于物种识别.
- 了解变异可以帮助害虫管理和生物多样性研究.
研究的目的:
- 为了评估后翼特征对物种识别和*Holotrichia*甲虫的性二态的有用性.
- 分析三种*Holotrichia*物种和性别的翅膀大小和形状变化.
- 评估度学对翅膀形状和分类精度的影响.
主要方法:
- 几何形态测量应用到25个地标从125后翼图像的*H. diomphalia*,*H. titanis*,和*H. oblita*.
- 使用TPSDig2和MorphoJ软件分析翅膀大小和形状变化.
- 对分类准确性评估进行交叉验证,对所有度效应进行了校正.
主要成果:
- 在物种之间发现了显著的翅膀大小和形状变化,但在两性之间没有.
- 度学解释了16.92% (女性) 和25.35% (男性) 的总形状变化.
- 在对所有度效应进行校正后,分类准确性得到改善.
- 观察到不同的翅膀形态:雌性翅膀较宽,较短;雄性翅膀较细,较长.
- 观察到的跨物种差异: *H. oblita* 雌性有窄长的翅膀; *H. diomphalia* 雌性有矩形的翅膀. 男性的翅膀狭窄度以*H. oblita* > *H. titanis* > *H. diomphalia*的顺序下降.
结论:
- 尾翼形态是一个可靠的指标,用于在Holotrichia*属内的物种识别.
- 虽然两性在翅膀形状上有所不同,但这些差异对于跨物种的分类并不重要.
- 校正对比度增强了后翼特征的辨别能力,用于识别*Holotrichia*物种.
关键词:
霍洛特里奇亚 霍洛特里奇亚是什么意思后翼 后翼 后翼 后翼跨物种的 跨物种的 跨物种的种内特异性 种内特异性形态学 形态学 形态学甲虫是一种甲虫.机翼交叉点 机翼交叉点 机翼交叉点翅膀的风化 翅膀的风化更多相关视频
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