Abstract
Based on a single male specimen a new species of the genus Navicordulia Machado & Costa, 1995 from Ecuador is described and illustrated, representing the first described species for this country. The recent considerable westward expansion of the distribution of the genus is briefly discussed. The male of Navicordulia tangoyi sp. nov. can be separated from its congeners by the distinct shape and pilosity of the genital lobe and by the remarkable deflection of the distal fourth of the cerci. A differential diagnosis and an updated key to all known males of the genus are provided.
References
- Bechly, G. (1996) Morphologische Untersuchungen am Flügelgeäder der rezenten Libellen und deren Stammgruppenvertreter (Insecta; Pterygota; Odonata), unter besonderer Berücksichtigung der Phylogenetischen Systematik und des Grundplanes der Odonata. Petalura, Special Volume 2, 1–402.
- Calvert, P.P. (1909) Contributions to a knowledge of the Odonata of the Neotropical Region exclusive of Mexico and Central America. Annals of the Carnegie Museum, 6, 73−280. https://doi.org/10.5962/p.202300
- De Marmels, J. (1989) Odonata or dragonflies from Cerro de la Neblina and the adjacent lowland between the Rio Baria, the Casiquiare and the Rio Negro (Venezuela). I. Adults. Boletín de la Academia de las Ciências Físicas, Matemática y Naturales, 25, 11−78.
- De Marmels, J. (1991) Dorocordulia nitens sp. n., eine neue Smaragdlibelle aus Venezuela (Odonata: Corduliidae). Mitteilungen der Entomologischen Gesellschaft Basel, 41, 106−111.
- Fleck, G. (2017) Notes on the genus Navicordulia Machado & Costa, 1995 (Odonata: Anisoptera: Corduliidae s. str.): description of a new species, phylogenetic affinities and aspects of biogeography. Zootaxa, 4272 (2), 251−262. https://doi.org/10.11646/zootaxa.4272.2.6
- Fleck, G. & Haber, W.A. (2022) Paracordulia calcarulata, new species from Ecuador and notes on the genus Paracordulia Martin, 1907 (Odonata: Anisoptera: Corduliidae s. str.). Zootaxa, 5124 (5), 551–564. https://doi.org/10.11646/zootaxa.5124.5.4
- Fleck, G. & Juillerat, L. (2019) The genus Navicordulia Machado & Costa 1995 (Insecta: Odonata: Corduliidae s.str.): new species, identification key for males and data on ecology and distribution. Zoosystema, 41 (27), 553–565. https://doi.org/10.5252/zoosystema2019v41a27
- Fleck, G., Bechly, G., Martínez-Delclòs, X., Jarzembowski, E., Coram, R. & Nel, A. (2003) Phylogeny and classification of the Stenophlebioptera (Odonata: Epiproctophora). Annales de la Société Entomologique de France, Nouvelle Série, 39, 55–93. https://doi.org/10.1080/00379271.2003.10697363
- Fleck, G. & Nel, A. (2003) Revision of the Mesozoic family Aeschnidiidae (Odonata: Anisoptera). Zoologica, 153, 1–172.
- Machado, A.B.M. & Costa, J.M. (1995) Navicordulia gen. nov., a new genus of neotropical Corduliinae, with descriptions of seven new species (Anisoptera: Corduliidae). Odonatologica, 24 (2), 187–218.
- Mauffray, W.F. & Tennessen, K.J. (2019) A Catalogue and Historical Study of the Odonata of Ecuador. Zootaxa, 4628 (1), 1–265. https://doi.org/10.11646/zootaxa.4628.1.1
- Pfau, H.K. (2011) Functional Morphology and Evolution of the Male Secondary Copulatory Apparatus of the Anisoptera (Insecta: Odonata). Zoologica, 156, 1–103.
- Pinto, A.P. & Lamas, C.J.E. (2010) Navicordulia aemulatrix sp. nov. (Odonata: Corduliidae) from northeastern Santa Catarina State, Brazil. Revista Brasileira de Entomologia, 54 (4), 608–617. https://doi.org/10.1590/S0085-56262010000400012
- Pinto, A.P., Oliveira De Almeida, M.V. & Ehlert, J. (2022) Three names, one species: junior synonyms for the Atlantic Forest emerald dragonfly Navicordulia atlantica (Odonata: Corduliidae s.s.). Revista Brasileira de Entomologia, 66 (3), 1–14. https://doi.org/10.1590/1806-9665-rbent-2022-0052