The demographics and habitat utilization of adult Argia sedula (Hagen) as determined by mark-recapture analysis (Zygoptera: Coenagrionidae)

Adult A.sedula individuals were marked and recaptured daily throughout a one month period. Males had a daily survivorship of 0.79 and averaged 4.43 days between their first and last capture. Multiple matings by males can parsimoniously be considered a random event. A temporal shift in perching structure usage away from emergent Sagittaria toward algal mats is documented. This shift occurred as the Sagittaria became more dense.