First data on the reproduction of the Vagrant Emperor Anax ephippiger in North-Eastern Italy, Friuli-Venezia Giulia Region (Odonata aeshnidae)

  • Costanza Uboni | costanza.uboni@gmail.com Department of Life Science, University of Trieste, Italia.
  • Pierpaolo Merluzzi Gorizia, Italia.
  • Livio Poldini
  • Elisa Riservato Società italiana per lo studio e la conservazione delle libellule - Museo Civico di Storia Naturale di Carmagnola, Italia.
  • Elisabetta Pizzul Department of Life Science, University of Trieste, Italia.

Abstract

The Vagrant Emperor, Anax ephippiger (burmeister, 1839), is a migrant dragonfly species from africa and Middle East; in Europe only summer generation are known, without evidence of overwintering larvae. In august 2010 a reproductive breeding site for this species was found in the in Friuli-Venezia Giulia Region (north-eastern Italy). This discovery represents the first proof of reproduction for the species in north-eastern Italy. With the aim of increasing the knowledge on the species requirements, a study to delineate the emerging habitat was conducted: dragonfly community (adult and exuviae), vegetation, chemical and physical water parameters were sampled. This yielded data about larval tolerance toward salinity. This new data proves a northward move for the species, which may also have been facilitated by global warming.

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2018-12-18
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Come citare
Uboni, C., Merluzzi, P., Poldini, L., Riservato, E., & Pizzul, E. (2018). First data on the reproduction of the Vagrant Emperor Anax ephippiger in North-Eastern Italy, Friuli-Venezia Giulia Region (Odonata aeshnidae). Bollettino Della Società Entomologica Italiana, 150(3), 101-106. https://doi.org/10.4081/BollettinoSEI.2018.101