Oguma, The Japanese Dragonfly-Fauna of the Family LibelluUdae. 107 



16. Leucorrhinia ruhicunda Linneus. Syst. Nat. I. p. 543 (1758). 



Noni. Jap. : Kaojiro-aka-tombo. 



Dist. : Japan (McLachlan); Earope. 



17. Leucorrhinia dubia Linden. Mon. Lib. p. 16 (1825). 



Nom. Jap. : Kaojiro-tombo. 



Dist. : Saghalin , Hokkaido , Honshiu (Takeda, Sliiba- 

 k a w a) ; Siberia, Europa. 



18. Sympetrum danae Sulzer. Abgekürzte Geschichte usw. p. 169 

 (1776). 



= Sympetrum scoticum Donovan. 

 Nom. Jap. : Mutsu-akane. 

 Dist.: Honshiu (Yuraoto?, Aomori); Amur, Europe, Colorado. 



19. Sympetrum pedemontanum AUioni. Mel. Soc. Tur. III. p. 194 (1766). 



Dist. : Japan, Siberia, Europe. 



a) Sympetrum pedemontanum pedemontanum Allioni. 



Nom. Jap. : Yezo-miyama-akane. 

 Dist. : Hokkaido ; Amur, Europe. 



b) Sympetrum pedemontanum elatum Selys. Ann. Soc. Ent. Belg. 

 XV. p. 27 (1872). 



Nom. Jap. : Miyama-akane. 



Dist. : Honshiu, Shikoku, Kiushiu ; Corea. 



20. Sympetrum flaveolum länneus. Syst. Nat. I. p. 543 (1758). 



Nom. Jap. : Yezo-akane. 



Dist. : Saghalin, Hokkaido ; Amur, Manchuria, Europe. 



21. Sympetrum commixtum Selys. Ann. Soc. Ent. Belg. XXVIII. 

 . p. 38 (1884). 



Nom. Jap. : Tsushima-akane. 

 Dist. : Tsushima ; North India. 



22. Sympetrum imitans Selys. Comp. rend. Soc. Ent. Belg. XXXI. 

 p. 51 (1887). 



= Sympetntm vulgatum Linneus. 

 Nom. Jap. : Iso-akane. 

 Dist. : Saghalin (Oguma); Peking, Amur, Europe. 



23. Sympetrum frequens Selys. Ann. Soc. Ent. Belg. XXVII. p. 93 (1883). 



Nom. Jap. : Aki-akane. 



Dist. : Japan (from Hokkaido to Kiushiu) ; Corea. 



24. Sympetrum darwinianiim Selys. Ann. Soc. Ent. Belg. XXVII. 

 p. 94 (1883). 



= Sympetrum sinensis Selys. 

 Nom. Jap. : Natsu-akane. 

 Dist.: West Honshiu, Kiushiu ; Central China. 



25. Sympetrum baccha Selys. Ann. Soc. Ent. Belg. XXVIIL p. 40 (1884). 



Nom. Jap. : 0-akane. 



Dist. : Formosa ; South China. 



