Takagi, S. 1975a The Horii-group of Fiorinia associated with rhododendrons in East Asia (Homoptera: Coccoidea: Diaspididae).. Insecta Matsumurana (New Series) 6: 35-61.

Notes: F. hymenanthis, odaiensis and sikokiana new species; description of the five Japanese species; second instar males described for two species; taxonomic characters; relationships.