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Abstract
The collections of E. Křelinová (78 species: 16,637 imagines, 13,661 larvae) and J. Raušer (66 species: 4590 imagines, 395 slides of exuviae) sampled at more than 750 sites in 1947–1965 represent one of the most complex stonefly materials in Central Europe. However, these collections remained untreated for more than 40 years and only limited or fragmentary data have been published. Recently, a substantial part of the samples has been redetermined or revised, relocalised using GIS, relabelled and data transferred to a common database. Misidentifications mostly arising from taxonomic changes after 1960 are discussed. Some species, contrary to existing literature data, thus are not reliably documented in the Czech Republic (Oemopteryx loewii, Nemoura erratica, N. fulviceps, Protonemura nimborella, Leuctra carinthiaca, L. handlirschi, L. teriolensis), some others (Chloroperla susemicheli, Siphonoperla burmeisteri, Brachyptera starmachi, Leuctra cingulata, L. pusilla, L. dalmoni) actually represent the first reliable records from the Czech Republic.
Acknowledgements
I am very grateful to Dr Gilles Vinçon for help with the identification of Leuctra inermis species group, and to Nicole Cernohorsky and Prof. Tomáš Soldán for their useful comments on the manuscript. I am especially thankful to Dr Pavel Chvojka, curator of the National Museum in Prague, for providing me with the material studied. The study was supported by the Grant Agency of the Czech Republic (projects No. 524/05/H536 and 206/06/1133) and the Ministry of Education of the Czech Republic (Project No. MSM 0021622416).