机译:Matutinal and vespertine reproductive behaviour in Cordulia aenea (Odonata: Corduliidae)
Am Liebfrauenbusch 3, 26655 Westerstede, Germany;
Lebensborner Weg 5, 26419 Schortens, Germany;
Dragonfly; Anisoptera; diel activity pattern; crepuscular behaviour; mating tactics; oviposition; patrol flight; midnight sun;