The genus Semia Matsumura that is from East Asia. According to Lee & Hill, 2010, this genus belongs to subtribe Psithyristriina within the tribe Cicadini. There are six species S. watanabei (Matsumura), S. klapperichi Jacobi, S. lachna Lei & Chou, S. majuscula Distant, S. spinosa Pham, Hayashi & Yang, and S. gialaiensis Pham & Constant. | TAP CHI SINH HOC 2014, 36(1): 39-45 The cicada Semia from Vietnam DOI:genus THE CICADA GENUS Semia Matsumura, 1917 (Hemiptera: Cicadidae) FROM VIETNAM, WITH NEW RECORDS AND A KEY TO SPECIES Pham Hong Thai1*, Jérôme Constant2 1 Vietnam National Museum of Nature, VAST, *phamthai@ 2 Royal Belgian Institute of Natural Sciences, Belgium ABSTRACT: The genus Semia Matsumura that is from East Asia. According to Lee & Hill, 2010, this genus belongs to subtribe Psithyristriina within the tribe Cicadini. There are six species S. watanabei (Matsumura), S. klapperichi Jacobi, S. lachna Lei & Chou, S. majuscula Distant, S. spinosa Pham, Hayashi & Yang, and S. gialaiensis Pham & Constant. A revised description of the cicada species Semia watanabei (Matsumura, 1907) is provided. A key to the four Vietnamese Semia species: S. majuscula (Distant), S. watanabei (Matsumura), S. spinosa Pham, Hayashi & Yang, and S. gialaiensis Pham & Constant is provided. Synonymic lists and new locality records for the four species of Semia from Vietnam are provided. Keywords: Auchenorrhyncha, Cicada, Semia, morphology, new record, Vietnam. INTRODUCTION The cicada genus Semia Matsumura, 1917, containing six species: S. watanabei (Matsumura, 1907), originally known from Taiwan [11], S. klapperichi Jacobi, 1944 from Fukien Province, China, S. lachna Lei & Chou, from Hainan Province, China, S. majuscula Distant from Vietnam and Laos, S. spinosa Pham, Hayashi & Yang, 2012, from Vietnam, and S. gialaiensis Pham & Constant, 2013 from Vietnam [2, 24, 25]. Pomponia lachna Lei & Chou and Terpnosia majuscula (Distant) were transferred to Semia [14]. Recently, Pham et al. (2012) [25] described S. spinosa from south Vietnam and Pham & Constant (2013) [24] described S. gialaiensis from Gia Lai province, Tay Nguyen area, Vietnam. Prior to this work, three species of Semia were known to occur in Vietnam. A fourth species is recorded herein from Vietnam, previously known
