IDF International Dragonfly Fund Report Journal of the International Dragonfly Fund 1-101 Malte Seehausen & Rory A. Dow Morphological studies and taxonomic considerations on the ‘reddish- brown-winged’ group of Neurothemis Brauer, 1867 with the description of N. taiwanensis sp. nov. (Odonata: Libellulidae) Published 01.04.2016 93 ISSN 1435-3393 The International Dragonfly Fund (IDF) is a scientific society founded in 1996 for the impro- vement of odonatological knowledge and the protection of species. Internet: http://www.dragonflyfund.org/ This series intends to publish studies promoted by IDF and to facilitate cost-efficient and ra- pid dissemination of odonatological data.. Editorial Work: Martin Schorr Layout: Martin Schorr IDF-home page: Holger Hunger Indexed: Zoological Record, Thomson Reuters, UK Printing: Colour Connection GmbH, Frankfurt Impressum: Publisher: International Dragonfly Fund e.V., Schulstr. 7B, 54314 Zerf, Germany. E-mail:
[email protected] Responsible editor: Martin Schorr Cover picture: Neurothemis fulvia Photographer: Alfredo Cordero-Rivera Published 01.04.2016 Morphological studies and taxonomic considerations on the ‘reddish-brown-winged’ group of Neurothemis Brauer, 1867 with the description of N. taiwanensis sp. nov. (Odonata: Libellulidae) Malte Seehausen1 & Rory A. Dow2 1Museum Wiesbaden, Naturhistorische Sammlungen, Friedrich-Ebert-Allee 2, 65185 Wiesbaden, Germany. E-mail:
[email protected] 2Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands. E-mail:
[email protected] Abstract Specimens of Neurothemis disparilis Kirby, 1889, N. fluctuans (Fabricius, 1793), N. fulvia (Drury, 1773), N. ramburii (Brauer, 1866), N. stigmatizans (Fabricius, 1775) and N. terminata Ris, 1911, including their subspecies, were studied with the main focus on the morphology of the vesica spermalis, wing maculation, wing venation, abdominal markings and vulvar scales.