Voltinism of Calopteryx haemorrhoidalis, (Vander Linden) in the Sierra Morena Mountains, Southern Spain (Zygoptera: Calopterygidae): A preliminary study

Voltinism of Calopteryx haemorrhoidalis, (Vander Linden) in the Sierra Morena Mountains, Southern Spain (Zygoptera: Calopterygidae): A preliminary study 00

Manuel Ferreras-Romeroa, María Dolores Atienzara, Philip S. Corbetb

  1. Departamento de Biología Animal (Zoología), Facultad de Ciencias , Universidad de Córdoba, Spain
  2. Institute of Cell, Animal and Population Biology, University of Edinburgh, Edinburgh, UK

International Journal of Odonatology, Volume 3, Issue 2, Pages 125-130, 2000

https://doi.org/10.1080/13887890.2000.9748143

Published: 1 November 2000 (Received: 19 July 2000, Accepted: 28 August 2000)

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Abstract

Small sweep-net samples of larvae of Calopteryx haemorrhoidalis, obtained during five consecutive years from a permanent stream in the Sierra Morena Mountains, southern Spain, were combined according to month to infer the voltinism during the study period. Detailed records of head width, wing-sheath length and metamorphosis status for individual larvae are consistent with the population being mainly univoltine, a few individuals being semivoltine, and the life cycle being predominantly of the summer-species type.

Keywords: Odonata, dragonflies, voltinism, life cycle, growth rate, permanent stream, southern Spain

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