The new species from northwestern Yunnan was discovered by Prof. Min Wang of the South China Agricultural University, Guangzhou, China and Dr. Josef Settele of the Helmholtz Centre for Environmental Research - UFZ, Halle, Germany.
From the 15th to the 25th of June further workshops will take place within the German-Chinese year of Science and education, which can be witnessed in a Web-Blog at http://www.blog.dcjwb.net/.
The large blues belong to the most intensively studied group of butterflies in Eurasia, which is probably due to their “obscure” biology and ecology: On the one hand they depend on specific food plants, which in itself is not yet that surprising. But they also require particular ant species as many of the known species feed on ants during most of their life as caterpillars. These specialized habitat requirements have made them vulnerable to climate change and habitat alteration.
The discovery of the new species now was quite surprising, although contrary to the European species (which are well known under their scientific name Maculinea) the Chinese species, which include both the Maculinea and the Phengaris blues, are not so well studied and monitored due to lack of financial and personnel resources. Consequently, nothing is known on the ecology of this new species, with the exception that it lives in undisturbed forested mountains, where it was discovered – which makes it different from the other Large Blues which over the entire range of distribution live in grasslands.
The discovery was made in the course of a Chinese-German workshop on butterfly conservation held in Guangzhou in December 2009, funded within the German-Chinese year of Science by BMBF (German Ministry for Science and Education; http://www.deutsch-chinesisches-jahr-2009-2010.de/) through the project LepiPub (http://www.blog.dcjwb.net/) and South China Agricultural University (http://www.scau.edu.cn/). This study was partly supported by the National Nature Science Foundation of China (30570211, 40971037) and the FP 6 BiodivERsA project CLIMIT (Climate change impacts on insects and their mitigation; http://www.climit-project.net ; http://www.ufz.de/index.php?en=18357).
Reference specimens (the so-called types) are kept in the Insect Collection of the South China Agricultural University, Guangzhou, China, and the “Senckenberg Museum für Tierkunde” in Dresden, Germany.
The name given to the new species refers: (a) to the beautiful mountain on the slopes of which it was found (Xiu-Shan in Chinese means “beautiful mountain”), and (b) more importantly we dedicate this species to Dr. Xiushan Li who worked at UFZ for some years, who brought the two authors of this description together, and who has committed much of his life to research on ecology and conservation of butterflies – with his most recent publication in 2010 (Li et al., 2010).
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