構造と機能の関連からみた蝶類における中胸形態の特異性と進化

概要

論文の詳細を見る
On the sutures of the mesopleurosternum in butterflies, some workers' interpetations of the homologies were refuted. The paracoxal suture is formed as a supporting structure for the moving system of basalare which was peculiar among Lepidoptera. In Hesperioidea and Papilionoidea, the morphological variations in the mesopleuron appeared as a result from the slight difference of the moving axis of basalare. The new moving system of basalare was acquired on the basis of the shift of t-p 13. Such a new body plan gave rise to reconstruction of the mesothorax as a result of the strengthening of its main functions. In conclusion, three evolutionary steps were assumed to form the peculiarity and divergence of the mesothorax in butterflies, taking the alteration of function in the mode of flight into consideration.
日本鱗翅学会の論文
1988-09-30