TOSENA. 



75 



produced, sometimes simply moderately convex or anteriorly sub- 

 ampliated and somewhat toothed ; tegmina and wings more or 

 less opaquel}' coloured ; in one species, Tosena sj^lendida, Dist., 

 the tegmina with hyaline spaces. 



This division takes its name from the genus Tama, Amy. & 

 Serv., represented b_y a single very large and representative species 

 at present known only from the Malayan Kegion. The Tacuaria 

 comprise only three genera — the one already mentioned, Tosena 

 found in our region, and Qraptopsaltria apparently confined to 

 China and Japan. 



Genus TOSENA. 



Tosena, Atmj. 8^- Serv. Hem. p. 462 (1843) : Stal, Hem. Afi: iv, p. 3 

 (1866) ; Dist. Mon. Orient. Cicad. pp. 4 & 25 (1889). 



Type, T. fasciata, Fabr., a Malayan species. 



Distribution. Ox'iental and Malayan Eegions. 



Head (including eyes) equal in width to base of mesoiiotmn, 

 about as long as pi'ouotum, front prominent but obliquely depressed, 

 ocelli twice "the distance from eyes as from each other ; prouotum 



Fiar. 39. — Tosena mearesiana. 



as long as mesonotum, lateral margins more or less ampliated and 

 more or less distinctly toothed ; abdomen in male long, very much 

 longer than space between apex of head and base of cruciform 

 elevation, somewhat convex above, tympanal orifices covered ; 

 metasternum elevated ; opercula in male short and broad ; anterior 

 femora strongly spined beneath ; tegmina and wings opaque, the 

 first with eight apical areas. 



