A critical checklist of the Odonata of Portugal
International Journal of Odonatology, Volume 9, Issue 2, Pages 133-164, 2006
Published: 1 October 2006 (Received: 28 January 2006, Accepted: 23 March 2006)
The Odonata checklist of continental Portugal, Madeira and the Azores includes 65 species. Besides Sympetrum nigrifemur, an endemic of Madeira and the Canary Islands, and the unique population of the Nearctic Ischnura hastata in the Azores, the species composition reflects a higher proportion of western Mediterranean and Ethiopian elements than any other European country. An isolated occurrence of Coenagrion pulchellum was confirmed. Due to obvious misidentifications and to the loss of voucher specimens of questionable species, 22 taxa were rejected. Future records of additional species are predicted.
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