•M 



(^ I C A ]3 I D Al. 



R. mixta. Ceylon. 



Diinchthia mixta, Kirhy,Journ. Linn. Soc, Zool. ' 

 xxiv. p. 128 (1891) ; Dist. Faun. B. 1., : 

 Rhynch. iii. p. 79, f. 40 (190G). | 



C Operciila not extending beyond base of abdomen. 



R, umbrosa. ! Borneo. 



Cicada iiDihrosa, Dist. Ann. Mag. Nat. Hist, 

 (7) xiv. p. 330 (1904). 



I). Opercula almost reacliing base of apical abdomimal segment 



R. operculissima. 



( 'icada operculissima, Disi. Ann. Mag. Nat. Hist. 

 ((I) XX. p. 309 (1897). 



Lombok. 



Species known to writer by the female sex only : — 



Phil 



ip[)ines. 



Tondano. 



R. semperi. 



Cicada (^Chremistica^ semperi, Stdl, 0£v. Vet.- 



Ak. Forh. 1870, p. 715. 

 Cicada semperi, Dist. Mon. Orient. Cicad. p. 99 



(1892). 

 R. tondana. 



Fidicina tondana, \V<dl\ Joiirn. Linn. Soc, 



Zool. x. p. 92 (i<sr)7;. 

 Cryptoti/mpana tondana, Dist. Mon. Orient. 



Cicad. p. 93, t. xiii. f. 13, a, h (1891). 



Species iEthioj»ican;e. 

 Tegmina more or less spotted. 



R. nigrans. 



Cicada nigrans, Dist. Trans. Ent. Soc. Lond. 



1904, p. 673, t. XXX. f. 1, a, h. 

 R. martini. 



Rihana martini, Dist. Trans. Ent. Soc. Lond. 

 190.5, p. 198. 

 R. hova. 



Rihana hova, Dist. Trans. Ent. Soc. Lond. 



1905, p. 198. I 



Species Americanae. 



A. Tegmina unspotted or with the transverse \e\n& at bases of second and 

 third apical areas infuscated. 



Madagascar 

 Madagascar 

 Madagascar 



R. bicosta. 



Cinida bicosta, Walk. List Horn. i. p. 112 (1850) ; 

 Stal Ofv. Vet.-Ak. Forh. 1862, p. 484 ; Dist. 

 Biol. Centr.-Amer., Rhvnch. Horn. i. p. 7, 

 t. iii. i". l,a, h (1881). 



Mexico, 

 Costa Rica. 



