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Demographic Traits and Behavior of Hetaerina cruentata (Odonata: Calopterygidae) in Ecosystems of the Andean Region of Colombia

  • geschrieben von María Vianney García-Monsalve, Mariano Altamiranda-Saavedra, Fredy Palacino Rodríguez, Adolfo Cordero-Rivera
  • International Journal of Odonatology
  • Band: 24 (2021)
  • Article
  • PDF
  • 261–273 Seiten Seiten
  • Erscheinungsdatum: 05.11.2021
  • Englisch
  • doi: 10.23797/2159-6719_24_20

Keywords: Dragonfly, damselfly, Zygoptera, mark-recapture, Neotropics

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International Journal of Odonatology 24 (2021)

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Inhalt

Demography and territorial behavior of Hetaerina cruentata was studied along three lowland streams located at Norte de Santander department in the Colombian Andean region. Adult damselflies (N: 278) were individually marked, and using their recapture histories we estimated survival, longevity, sex ratio, age groups and population size at each location. We found no evidence for survival differences between ages and sexes. However, the proportion of resighted individuals was lower for females, and the sex ratio was male-biased in all populations. Although we recorded
few reproductive events, a high number of male-male agonistic  interactions were registered around midday. During reproductive behavior, we observed brief wing displays as signals between males and females, and the formation of the tandem position, followed by the intra-male  sperm translocation and copulation (mean duration 11.3 min). After copulation, the pair in tandem looked for suitable sites to oviposit, and then the male broke tandem and perched on the vegetation while the female laid eggs partially or completely underwater. The recapture probability was time-dependent, which suggests that the alternation of rainy and sunny days during the study may be generating differences in
the demography of the three H. cruentata populations.

María Vianney García-Monsalve

Grupo de Investigación en Ecología y Biogeografía y al laboratorio de entomología de la Universidad de Pamplona.

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Mariano Altamiranda-Saavedra

Institución Universitaria Politécnico Colombiano Jaime Isaza Cadavid, Medellín, Colombia.

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Fredy Palacino Rodríguez

Sección Etología, Facultad de Ciencias,Universidad de la República, Montevideo,Uruguay.
4 Research Group on Odonates and other arthropods of Colombia (GINOCO), Acarology Research Center, Bogotá, Colombia.
E-Mail: odonata107@gmail.com

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Adolfo Cordero-Rivera

Universidade de Vigo, ECOEVO Lab, E. E. Forestal, Campus A Xunqueira, 36005 Pontevedra, Galizia, Spain.
ORCID: 0000-0002-5087-3550

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