Reproductive behavior of the dragonfly, Orthetrum japonicum (Odonata: Libellulidae)

Eiiti Kasuya, Yoshihiko Mashima, Joh Hirokawa

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The reproductive behavior of the dragonfly, Orthetrum japonicum, is described. Behavioral processes of turnover of territorial males, simultaneous guarding of 2 females by a male, and copulation by non-territorial males are described. The males with longer hind wings won the territorial conflicts more frequently. The total duration of territorial residence of a given male was correlated with the number of his matings, but not correlated with the length of his abdomen or hind wings. The territorial site with the lower degree of vegetation cover was occupied by males more consistently. Males in more consistently occupied territorial sites did not have longer abdomen and hind wings than males in less consistently occupied sites. The territorial site where the larger number of copulations was observed was not occupied more consistently. Selection episode analysis using the method of Arnold & Wade (1984a, b) showed that direct selection on the hind wing length favored the short wing and that direct selection on the abdomen length favored the long abdomen during mating.

Original languageEnglish
Pages (from-to)105-113
Number of pages9
JournalJournal of Ethology
Volume5
Issue number2
DOIs
Publication statusPublished - Dec 1 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

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