Gilles Vinçon & Wolfram Graf 2011. Two new Alpine Leuctra in the L. braueri species group (Plecoptera, Leuctridae). Illiesia, 7(09):92-103. Available online: http://www2.pms-lj.si/illiesia/Illiesia07-09.pdf TWO NEW ALPINE LEUCTRA IN THE L. BRAUERI SPECIES GROUP (PLECOPTERA, LEUCTRIDAE) Gilles Vinçon1 & Wolfram Graf2 1 55 Bd Joseph Vallier, F 38100 Grenoble, France E-mail:
[email protected] 2 Institute of Hydrobiology and Aquatic Ecology Management, University of Natural Resources and Applied Life Sciences, Max-Emanuelstrasse 17, 1180 Vienna, Austria E-mail:
[email protected] ABSTRACT Two new species of the genus Leuctra that were previously confused with L. braueri Kempny, 1898 are described from the eastern Alps: L. muranyii sp. n. and L. juliettae sp. n. A comparative description of L. braueri is given. The composition and characters of the L. braueri species group are discussed. Keywords: Plecoptera, Leuctridae, Leuctra, braueri group, new species, endemics, Italy, Switzerland, Austria INTRODUCTION MATERIAL AND METHODS For more than ten years, with the aim of The material is preserved in alcohol. Type improving the knowledge of Italian stoneflies, specimens are deposited in the Zoological Museum faunistic studies have been undertaken in the Italian of Lausanne, Switzerland. Other specimens are held Alps, mainly in the western part of the Alps at the by G. Vinçon, Grenoble, France, and W. Graf, Vienna, beginning, and more recently in the central and Austria. An important part of the Swiss material was eastern Alps. As a result, several new taxa have been studied by J.L. Gattolliat, Lausanne, Switzerland. discovered in the last two years and are at present Abbreviations: b.= brook, R.= River, spr.= spring, being described.