Damm S., Hadrys H

Trithemis morrisoni sp. nov. and T. palustris sp. nov. from the Okavango and Upper Zambezi Floodplains previously hidden under T. stictica
(Odonata: Libellulidae)

Sandra Damm(1) & Heike Hadrys(1,2)

1
ITZ, Ecology & Evolution, TiHo Hannover, Bünteweg 17d, 30559 Hannover, Germany.
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2
Yale University, Dept of Ecology and Evolutionary Biology, NewHaven,
CT, 06520-8104, USA. < This e-mail address is being protected from spam bots, you need JavaScript enabled to view it >
Key words: Odonata, dragonfly, Anisoptera, Trithemis, taxonomy, Africa, new species, genetics.

International Journal of Odonatology 12(1) 2009: 131-145, pls III-IV

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Abstract
During the course of a population genetic study of Trithemis sticticathat included sites in
Namibia, Kenya, Tanzania, Ethiopia, Botswana and Zambia, two undescribed libellulid
species were discovered in the Okavango and Upper Zambezi Floodplains. These were
both previously identified as T. stictica. We describe the two species, T. morrisonisp. nov.
(holotype ♂: Namibia, Nature Reserve Popa Falls, Okavango River at the rapids, 18°07´S,
21°40´E; iv 2007, leg. K.-D.B. Dijkstra; dep. in the National Museum of Namibia, Wind-
hoek) and T. palustris sp. nov. (holotype ♂: Botswana, Okavango Delta, Moremi Game Re-
serve, 19°15´S, 23°20´E; ii 2007, leg J. Kipping; dep. in the National Museum of Namibia,
Windhoek) and compare them with T. stictica.

Key words: Odonata, dragonfly, Anisoptera, Trithemis, taxonomy, Africa, new species, genetics.