Reproductive behaviour of Diastatops obscura (Fabricius) in a riverine environment (Anisoptera: Libellulidae)

The reproductive behaviour of this neotropical dragonfly is described in a riverine environment in NE Brazil. In areas used for reproduction, the 3 3 behave like territorial perchers in order to defend the territories that will be used by 9 9 during their oviposition. The preferences of the <J 3 in reproductive territorial selection and the variation of their reproductive strategies are analyzed from an adaptationist point of view.