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The Sterrhinae moth fauna of Fenglin Nature Reserve, North-East China (Insecta, Lepidoptera, Geometridae) Pasi Sihvonen Sihvonen, P. (2006): The Sterrhinae moth fauna of Fenglin Nature Reserve, North-East China (Insecta, Lepidoptera, Geometridae). -Spixiana 29/3: 247-257 The Sterrhinae moth fauna (Lepidoptera, Geometridae) of the Fenglin Nature Reserve -a Biosphere Reserve of UNESCO's Man and the Biosphere Programme -in North-East China was studied in the summer of 2000. Altogether 25 species and 340 specimens were observed. The following 10 species are reported for the first time from China: Idaea terpnaria (Prout), Idaea aversata (Linnaeus), Idaea effusaria (Christoph), Idaea pallidata (D. & S.), Cyclophora albipimctata ssp. griseolata (Staudin-ger), Problepsis plagiata (Butler), Problepsis phoebearia Erschov, Scopida nemoraria (Hübner), Scopida tenuisocius Inoue and Scopida asthena Inoue. Adults of these are illustrated. Additionally, adults and genitalia of two species-pairs are illustrated and diagnosed that may prove difficult to be identified, i.e. Scopida floslactata (Ha-worth) -S. tenuisocius Inoue and Scopida subpunctaria (Herrich-Schäffer) -S. prouti Djakonov. Over 60 % of the observed Sterrhinae species were noticed to have a distribution area that is restricted to the eastern Palaearctic area. Dr. Pasi Sihvonen, Finnish Museum of Natural History, Department of Entomol-ogy, P.O. Box 17 (Pohjoinen Rautatiekatu 13), FI-00014 University of Helsinki, Finland; e-mail: [email protected] Introduction The Geometridae moth fauna of Korea is relatively well-known (Shin 1996) as is the fauna of the Russian Far East, the Primorye territory and the Amur region (e.g. Viidalepp 1975, 1996). However, the Geometr-idae fauna of the adjoining areas on the Chinese side of the border, the Mantschuria, are virtually unin-vestigated. In addition, a lack of national checklists, databases or identification guides [except for sub-family Larentünae (Xue & Zhu 1999)] made it dif-ficult to produce this kind of data for basic research as well as for applied studies such as nature conser-vation. Moths of the geometrid subfamily Sterrhinae are offen rather inconspicuous, relatively small with a wingspan normally between 20-30 mm, night-active and in many cases difficult to identify. They are offen gray or brown in colour, but a few pink or bright yellow species are known, especially in the tropics. The species prefer to inhabit open or semi-open areas and of the known world diversity (ap-proximately 2800 species) most are known from the tropics. Caterpillars offen feed on low plants and on dry litter. As a result of the things mentioned above, the Sterrhinae are easily overlooked in basic faunal surveys. There is one previous study on the lepidopteran fauna of the Fenglin Nature Reserve (Wang 1982). In that study, 15 Geometridae species were reported, two of which were Sterrhinae: Problepsis superans Butler and Scopula (Somatina) indicataria Walker. In this paper I present the results of two Finnish expeditions, which in part studied the Sterrhinae moth fauna (Lepidoptera: Geometridae) of the Fen-glin Nature Reserve, located at NE-China. 247

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The Sterrhinae moth fauna of Fenglin Nature Reserve, North-East China (Insecta, Lepidoptera, Geometridae)

P Sihvonen
Spixiana 29: 247-257 (2006)

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