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Useful biometric variables in Iberian exuviae of Boyeria irene (Fonscolombe, 1838) (Odonata: Aeshnidae)

  • Written by Luisa Nunes, Patricia Casanueva, Tomás Santamaría, María Á Hernández, Francisco Campos
  • International Journal of Odonatology
  • volume: 24 (2021)
  • PDF
  • 158–168 pp.
  • Release date: 2021-07-07
  • doi: 10.23797/2159-6719_24_12

Key words. Biometrics; dragonflies; Portugal; rivers; Spain.

Article (Casanueva et al.)

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International Journal of Odonatology 24 (2021)

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Description

In species of similar shape and size, biometric analyses make it possible to establish differences. Within one species, biometrics can help researchers to detect differences between populations and analyze their adaptations to environmental conditions. Until now little was known about the biometrics of the Iberian populations of Boyeria irene (Odonata: Aeshnidae), a large species living mainly in southern Europe. Eight biometric variables were studied in male and female exuviae of B. irene collected in three rivers of the Iberian Peninsula, with the objective of ascertaining which are the most suitable populations of this species to study. An analysis of principal components (PCA) shows that lengths of the epiproct, paraproct and prementum are the most influential in each of the three populations. The other variables (head width, body length, length of the gonapophyses, maximum and minimum width of the prementum) proved not to be relevant in this context.

Luisa Nunes

Escola Superior Agrária de Castelo Branco (ESA-IPCB/CEABN-INBIO), Qta. Sra. Mércules, 6000 Castelo Branco, Portugal.

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Patricia Casanueva

Departamento de Ciencias Experimentales, Universidad Europea Miguel de Cervantes, 47012 Valladolid, Spain.

pcasanueva@uemc.es

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Tomás Santamaría

Universidad Católica de Ávila, Calle Canteros s/n, 05005 Ávila, Spain.

ORCID: 0000-0001-8291-708X

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María Á Hernández

Departamento de Biología Ambiental, Facultad de Ciencias, Universidad de Navarra, 31080 Pamplona, Spain.

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Francisco Campos

Departamento de Ciencias Experimentales, Universidad Europea Miguel de Cervantes, 47012 Valladolid, Spain.

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