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By: Li, Tao - Yang, Zhong-Qi - Sun, Shu-Ping - Wang, RongType: ArticleIn: ZooKeysVolume: 687Series:Issue:Date: 2017Page Range: 149-159Publication Info: Pensoft Publishers 2017Subjects: Betula Ectoparasitoid Eriocrania semipurpurella alpina Eulophinae new species Pnigalio