While Anisoptera are more commonly associated with long-distance dispersal, there are notable cases of Zygoptera colonising remote areas such as desert oases and oceanic islands. Despite being generally regarded as less mobile, many Zygoptera species have demonstrated substantial dispersal ability, challenging previous assumptions. However, these findings have had limited impact on the prevailing consensus. Current understanding of species mobility relies heavily on capture-mark-recapture (CMR) studies, which sometimes conflict with direct evidence of species expansion or with the results of molecular analyses. Although tracking species by tagging can provide valuable information, it appears to underestimate long-distance dispersal, and therefore general conclusions should be treated with caution. This paper provides an overview of documented instances of long-distance dispersal in Zygoptera, covering cases ranging from migration events to the expansion of species' ranges and concluding with pioneer species with dispersal incorporated into their life strategy. Additionally, the problems caused by treating Zygoptera as sedentary for odonatological research and species conservation policy are discussed.
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1 December 2024
Are the dispersal capabilities of Zygoptera underestimated? A critical review (Odonata)
Nikola Góral
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Odonatologica
Vol. 53 • No. 3-4
December 2024
Vol. 53 • No. 3-4
December 2024
capture-mark-recapture
damselfly
dispersal capacity
dragonfly
long-distance dispersal
migratory movements