FAM. CICADID.E 55 



46. Genus AOLA, Distant 



Aola. Distant, Ann. Mag. Nat. Hist. (7). Vol. i5, p. 69 (igo5). 



Characters. — Head (including eyes) about as wide as base of mesonotum, its lenght about 

 equal to breath between eyes; front prominent, its lateral margins more or less continuous with those 

 of vertex; pronotum distinctly shorter than mesonotum, its lateral margins prominently toothed; abdo- 

 men short, about as long as space between apex of front and base of cruciform elevation ; tympana 

 entirely covered, the flaps broader than long; opercula short, just reaching the first abdominal segment, 

 and not covering the lateral margins of the tympanal flaps; rostrum reaching the posterior coxae; 

 tegmina and wings hyaline, the first with eight apical areas and the basal cell longer than broad. 



Type. — A. bindusara, Distant. 



Geographical distribution of species. — India, Tenasserim, Burma. 



1. A. bindusara. — PI. 7, Figs. 46a, b, c. Tenasserim, Burma. 



Pomponia bindusara. Distant, Trans. Ent. Soc. Lond. (1S81), p. 642; Mon. 

 Orient. Cicad. p. 76, t. 9, f. ua.b (1S91). 



2. A. scitida. India, Tenasserim, Burma. 



Pomponia scitula. Distant. Ann. Mus. Genova (2a), Vol. 6, p. 436 (18SS); 

 Mon. Orient. Cicad. p. 74. t. 7, f. iga,b (1891). 



47. Genus ONCOTYMPANA, Stal 



Oncotympana. Stal. Oefv. Vet.-Akad. Forh. (1870), p. 710. 



Characters. — Head (including eyes) nearly as wide or distinctly narrower than base of meso- 

 notum, its length about or nearly equal to space between eyes; pronotum considerably shorter than 

 mesonotum, its lateral margins a little convex, its posterior angles ampliated ; mesonotum large, convex; 

 abdomen in male short, broad, about as long as space between apex of head and base of cruciform 

 elevation; tympanal coverings very globose and projecting beyond the lateral abdominal margins; 

 opercula in male short, transverse, with their disks a little convex; anterior femora spined beneath; 

 rostrum passing the posterior coxae ; tegmina and wings hyaline, the first usually more or less maculate, 

 apical areas eight, venation normal. 



Type. — O. pallidiventris, Stal. 



Geographical distribution of species. — Oriental Region, Malaj'ana (apparently not east of 

 the Philippines), China and Japan. 



A. Opercula in male well separated, or not quite meeting internally. 



1. O. pallidiventris. Philippines. 



Pomponia (Oncotympana) pallidiventris, Stal, Oefv. Vet.-Akad. Forh. (1870). 



p. 710, t. 8. f. 21 

 Pomponia pallidiventris, Distant, Mon. Orient. Cicad. p. 78, t.6,f. 14(1,6(1891). 



2. O. melanopiera. India. 



Pomponia melanoptera. Distant, Trans. Ent. Soc. Lond. (1904), p. 672, t. 3o, 

 f. 3a,b 



3. O. mahoni. — PI. 6, Figs. 47a, b, C. India. 



Oncotympana Mahoni, Distant, Ann. Mag. Xat. Hist. (7), Vol. 17, p. iS3 

 1 1906). 



