Citation. Singer, F. 1987. A physiological basis of variation in postcopulatory behaviour in a dragonfly Sympetrum obtrusum. Animal Behaviour 35:1575-1577.   [1508  CC]

Introduction. Male dragonflies show two forms of mate-guarding behaviour: (1) tandem guarding, in which the male holds the female by the head during oviposition, and (2) non-contact guarding, in which the male hovers or perches above the female during oviposition and chases away intruding males.

Keywords. dragonfly, Sympetrum obtrusum, mate-guarding