Abstract
Reproductive success, copulation success, and mating success were measured for a population of male dragonflies,Orthetrum japonicum. Copulation success explained the greatest variation in reproductive success. The proportion of copulations followed by oviposition was positively correlated with the number of oviposited eggs per mating. Directional selection on four morphological characters was estimated. The effect of selection on correlated traits was comparable to that of direct selection. Directional selection varied between traits and between episodes in a single trait. The probability that the observed directional selection on the four morphological traits was expected under the condition of the selective neutrality of traits was not smaller than 5%.
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Kasuya, E., Edanami, K. & Ohno, I. Selection and reproductive success in males of the dragonfly,Orthetrum japonicum (Odonata: Libellulidae). Res Popul Ecol 39, 113–119 (1997). https://doi.org/10.1007/BF02765256
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DOI: https://doi.org/10.1007/BF02765256