44 HOMOPTERA 



pronotum about as Long as head, its lateral margins scarcely ampliated, but distinctly toothed or angu- 

 lated ; mesonotum slightly longer than pronotum ; abdomen short, about as long as space between apex 

 of head and base of cruciform elevation; tympana covered; opercula in male broad, either just or longly 

 passing middle of abdomen, well separated and not overlapping, more or less concavely sinuate on 

 each side at basal areas, their apices rounded or obliquely truncate; rostrum reaching, sometimes pas- 

 sing, the posterior coxse ; tegmina and wings hyaline; greatest breadth of tegmina about a third of length, 

 venation normal, basal cell much longer than broad. 



Type. — C. doryca, Boisduval. 



Geographical distribution of species. — Oriental and Malayan Regions; also recorded from 

 Corea and Japan. 



A. Opercula in male broadly margined with piceous. 



i. C. doryca. Papua. 



Cicada doryca, Boisduval, Voy. Astrol. Vol. 2, p. 609, Hem. t. io,f. 3 (l835). 



2. C. lata. Timor, Bouru. 



Dundubia lata, Walker, Journ. Linn. Soc. Lond. Zool. Vol. 10, p. S7 (1867). 

 Cosmopsaltria lata, Distant, Mon. Orient. Cicad. p. 60, t. 7, f. ^a,b (1S90). 



3. C. diiarum. Malay, Peninsula, Borneo. 



Dundubia duarum, Walker, Journ. Linn. Soc. Zool. Vol. 1, p. 141 (1S57). 



Cosmopsaltria lauta. Distant, Mon. Orient. Cicad. p. 48, t. 5, f. 8 (1889). 

 var. Dundubia latilinea, Walker, Journ. Linn. Soc. Zool. Vol. 10, p. S5 (1867). 

 var. Cosmopsaltria padda. Distant, Ann. Mag. Nat Hist. (5), Vol.20, p. 2291 1887). 

 var. Cosmopsaltria latilinea, Distant, Mon. Orient Cicad. p. 48, t. 4, f. i5a,b (1889). 



4. C. ida. Borneo. 



Cosmopsaltria ida, Moulton, Journ. Str. Br. Roy. Asiat. Soc. (1911), p. i3g. 



5. C. mnntivaga. Borneo. 



Cosmopsaltria montivaga. Distant, Ann. Mag. Nat. Hist. (6), Vol. 3, p. 421 

 (1889); Mon. Orient. Cicad. p. 40, t. 12, f. 12a, 6 (1S90). 

 var. Cosmopsaltria agatha, Moulton Sarawak, Mus. Journ. Vol. 1, p. 187 (1911). 



6. C. alticola. — PI. 5, Figs. 36a, b, C. Borneo. 



Cosmopsaltria alticola, Distant, Trans. Ent. Soc. Lond. (igoSi, p. 200. 



7. C. phaophila. Malayan, Archipelago, Co- 



Dundubia phceophila, Walker, List Horn. Vol. 1, p. 52 (i85o). rea. 



Cosmopsaltria phceophila. Distant, Mon. Orient. Cicad. p. 68, t. 12, f. 21a, b 

 (1890). 



8. C. incrmis. Philippines, Yokohama. 



Cosmopsaltria {Cosmopsaltria) inermis, Stal, Oefv. Vet.-Akad. Forh. (1870), 

 p. 708; Distant, Mon. Orient. Cicad. p. 49, t. 6. f. i5a,b (1890). 



B. Opercula in male unicolorous, not margined with piceous. 



9. C. oopaga. Burma. 



Cosmopsaltria oopaga. Distant, Trans. Ent. Soc. Lond. (1881), p. 640; 

 Distant, Mon. Orient. Cicad. p. 46, t. 5, f. 93,6 (1889). 



10. C.jacoona. Johore, Borneo. 



Cosmopsaltria jacoona, Distant, Ann. Mag. Nat. Hist. (6), Vol. 1, p. 295 

 (1888); Mon. Orient. Cicad. p. 47, t. 5, f. 3a,b (1889). 



11. C. fratercula, nov. spec. 1). 



1) Cosmopsaltria fratercula. nov. spec. — c?. Head, pronotum and mesonotum brownish-ochraceous; abdomen above testaceous: 

 posterior margins of pronotum and the tympana, ochraceous , sternum, rostrum, legs and opercula, ochraceous; face and abdomen beneath brownish- 

 ochraceous; apex of rostrum, streaks to anterior femora, anterior tibia? (excluding base), tarsi, and apices of intermediate and posterior tibiae piceous or 

 black; tegmina and wings hyaline the venation mostly ochraceous, the first with the costal membrane ochraceous, the posterior margin of basal ha If of 

 claval area, narrowly black; head with the front not twice as broad at base as length of anterior margins of the lobes of vertex; opercula long, almost 

 reaching abdominal apex, narrowed near base, thence broadened to beyond middle and subacute at apex; abdomen about as long as space between apex 

 of head and base of cruciform elevation. 



Longexcl. tegm. cf. ^7 millim. Exp. tegm. 96 millim. 



Hab. Tonkin (Brit. Mus.). 



Allied to C.jacovna, Dist. from which it diffens in the much longer and differently shaped opercula. 



