五种迁飞蛾类及非迁飞近似种前翅形状的数值分析

›› 2001, Vol. 44 ›› Issue (1): 72-78.

五种迁飞蛾类及非迁飞近似种前翅形状的数值分析

姚青¹，张志涛¹，赖凤香¹，傅强¹，李宝娟²，文丽萍³

出版日期:2001-02-20 发布日期:2001-02-20

Numerical analysis on wing-form of five migratory moths andnon-migratory similar species

AO Qing¹,ZHANG Zhi-tao¹,LAI Feng-xiang¹,FU Qiang¹,LI Bao-juan²,WEN Li-ping³

Online:2001-02-20 Published:2001-02-20

摘要/Abstract

摘要： 以翅面正投影周缘曲率为指标，对五种蛾类迁飞昆虫及与其近似的非迁飞昆虫的前翅翅形进行数值分析。结果表明，二者之间存在可以相互区别的差异：迁飞种类前翅前缘较平直，特别是前缘1/2处到翅尖的平均曲率绝对值显著小于非迁飞种类；而后缘1/2处到翅尖的平均曲率绝对值偏大，即这段后缘较弯曲，向外凸出，使翅外侧较宽阔。这种翅形特征较适合于利用气流进行远距离迁飞

关键词: 迁飞蛾类, 近似种, 翅形, 曲率, 数值分析

Abstract: The forewing forms of five species of migratory moths, Mythimna separata, Helicoverpa armigera, Cnaphalocrocis medinalis, Loxostege sticticalis and Agrotis ypsilon,and some species similar to them were analyzed numerically with their geometrical projections. Cluster analysis on their curvat ures showed that these migratory moths could be clustered to the same group and distinguished from their similar species, respectively. Discriminant analysis furt her demonstrated divergence of wing forms between migratory moths and non-migratory species. The forewing costal margin of migratory moths, especially the part from the middle of it to the wing-tip, is straighter than that of non-migratory species, and its outer area seems to be relatively wide. Such wing characteristics are more suitable for them to make a long-distance migration by airflow

Key words: migratory moths, similar species, wing-form, curvature, numerica

姚青¹，张志涛¹，赖凤香¹，傅强¹，李宝娟²，文丽萍³. 五种迁飞蛾类及非迁飞近似种前翅形状的数值分析[J]. , 2001, 44(1): 72-78.

AO Qing¹,ZHANG Zhi-tao¹,LAI Feng-xiang¹,FU Qiang¹,LI Bao-juan²,WEN Li-ping³. Numerical analysis on wing-form of five migratory moths andnon-migratory similar species[J]. , 2001, 44(1): 72-78.

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