Male Reproductive Behavior of the Tiny Dragonfly, Nannophya pygmaea RAMBUR

概要

論文の詳細を見る
The male reproductive behavior of N. pygmaea was studied at a moor in Omori, Nagoya, Japan. Males defended territories on the water surface of a small rivulet and waited for incoming receptive females. These territorial males perched on "emergent" low grass stems and leaves that were surrounded by water and promptly pursued any conspecific male that entered their territories. Males grasped incoming females in mid-air, the pair then usually formed the "wheel position, " alighted on a grass in the male's territory and completed copulation. Females oviposited striking the water surface with the tip of their abdomen in their mates' territories. Males usually guarded their mates by hovering above them. Some males in the study site wandered from place to place and did not hold territories. They sometimes attempted to perch in other males' territory and number of copulations did not differ between territorial and wandering males.
日本昆虫学会の論文
1983-12-25