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Keywords:

  • Apoidea;
  • host records;
  • lectotype designation;
  • Megachilinae;
  • synonymy;
  • taxonomy

Abstract

Japanese species of the bee genus Coelioxys are reviewed, and 10 species in three subgenera are recognized: C. (Torridapis) fenestrata Smith, 1873, C. (T) ducalisSmith, 1853; C. (Allocoelioxys) formosicola Strand, 1913, C. (Boreocoelioxys) yanonis Matsumura, 1912, C. (B) hiroba Nagase, 2003, C. (B) hosoba Nagase, 2003, C. (B) inermisKirby, 1802, C. (B) alataFoerster, 1853, C. (B) rufescens Lepeletier & Serville, 1825, and C. (B) sakamotorum sp. nov. The lectotype of C. yanonis is designated. Coelioxys suisharyonis Strand, 1913, and C. hakonensisCockerell, 1919, are synonymized with C. yanonis, and C. taiwanensis Cockerell, 1927 is synonymized with C. formosicola. Supplementary descriptions are provided for C. yanonis, C. formosicola, C. hiroba and C. hosoba. Records of host bees are reviewed. A key to Japanese species is presented.