4 8 



HOMOPTERA 



Geographical distribution of species. — Oriental and Malayan Regions; also found in 

 Tonkin and Hainan. 



A. Opercula in male about reaching middle of abdomen. 



a. Opercula in male about, or almost, as wide at base as on disk of apical area. 



Malay Peninsula, Sumatra, 

 Borneo, Philippines. 



i. P. spinosa. 



Tettigonia spinosa, Fabricius, Mant. Ins. Vol. 2, p. 266, 6 (1787). 

 Cosmopsaltria spinosa, Distant. Mon. Orient. Cicad. p. 52, t. 4, f. 7(7,4(1890). 

 Cosmopsaltria abdulla, Distant, Trans. Ent. Soc. Lond. 118S1), p. 63q. 



2. P. distanti. 



Platylomia distant: , Moulton, Sarawak, Mus. Journ. Vol. 1, p. 184 (1911). 



3. P. juno. 



Platylomiajv.no, Distant, Trans. Ent. Soc. Lond. (1905), p. 200. 



a! . Opercula in male wider on disk of apical area than at base. 



4. P. amid a. 



Dundnbia amicta. Distant, Ann. Mag. Nat. Hist. (6), Vol. 3, p. 5i (18S9). 

 Cosmopsaltria amicta, Distant, Mon. Orient. Cicad. p. 43, t. 8, f. ^a,b (1890). 



5. P. vibrans. 



Dundnbia vibrans. Walker, List Horn. Vol. 1, p. 54 (i85o). 



Dundubia lateralis. Walker, List Horn. Vol. 1. p. 61 (i85o|. 



Cosmopsaltria vibrans. Distant, Mon. Orient. Cicad. p. 5u, t. 4, f. za,b (1S90). 



I !i irneo. 

 Se-Tchouen. 



India. 



India, Malay Peninsula. 



B. Opercula in male extending bevond middle of abdomen. 



b. Opercula in male about, or almost, as wide at base as on disk of apical area. 



6 P. bangueyensis, nov. spec. 1). 



7. P. diana. Se-Tchouen. 



Platylomia diana. Distant, Trans. Ent. Soc. Lond. (igo5), p. 201. 



8. P. majuscula. Celebes. 



Dundnbia majusatla, Distant, Ann. Mus. Stor. Nat. Gen. (2a)Vol. 6, p 52i (1888). 

 Cosmopsaltria majuscula. Distant, Mon. Orient. Cicad. p. 47, t.7, f. 8a, b (1889). 



9. P. larus. India, Ceylon. 



Dundnbia larus, Walker, List Horn. Suppl. p. 7 (i858). 



Cicada « The Knife-Grinder », Emerson Tennent, Nat. Hist. Ceyl. p. 432 



(1S61). 

 Cosmopsaltria larus. Distant, Mon. Orient. Cicad. p. 44, t. 5, f. ia,b and 



var. t. 4, f. i3 (18S9). 



10. P. nagarasiiigna. Burma, Tenasserim,Cochin- 



Dundubia nagarasiiigna, Distant, Trans. Ent. Soc. Lond. (1881), p. 635. China. 



Cosmopsaltria nagarasiiigna, Distant, Mon. Orient. Cicad. p. 44, t. 4, f. 140,/; 

 (1S89). 



11. P. bocki. Sumatra. 



Dundubia Bocki, Distant, Ent. Month. Mag. Vol 19, p. i5g (1882). 

 Cosmopsaltria bocki. Distant, Mon. Orient. Cicad. p. 45, t. 4, f. na,b (1889). 



12. P. meyeri. Celebes. 



Cosmopsaltria meyeri. Distant, Proc. Zool. Soc. Lond. (i883), p 189, t. 25. 

 f. 2a,b. 



1) Platylomia bangueyensis, nov. spec. —Head, pronotum and mesonotum pale brownish-ochraceous ; vertex with the area of 

 the ocelli and a small spot on each side of same, black ; pronotum with the margins of a central fascia and the fissures black ; mesonotum with the margins 

 of two obconical spots, a curved line on each lateral area, three spots in front of basal cruciform elevation, viz a small rounded spot before each anterior 

 angle, and a longer straight spot between them, blaek ; abdomen above ochraceous or greenish-ochraceous. the segments irregulary transversely fasciated 

 with castaneous-brown; bod}' beneath and legs, pale brownish-ochraceous ; anterior striations to face and a central apical spot to same, apex of rostrum, 

 anterior tibiae and tarsi, apices of anterior femora apices of intermediate and posterior tibia- and the tarsi, and the segmental margins to the abdomen 

 beneath piceous or castaneous ; tegmina and wings hyaline, the venation more or less ochraceous, the former with the costal membrane ochraceous. the 

 apices of the ulnar areas slightly infuscate; head as long as breadth between eves ; pronotum about as long as mesonotum excluding cruciform elevation, 

 the pronotum with its lateral margins armed with [a distinct tooth ; opercula long, narrow, widely separated, reaching the base of the last abdominal 

 segment, outwardly concavely sinuate near base, their extreme apices subacute ; abdomen above finelv pilose. 



Long excl. tegm. c?, 34 millim. Exp. tegm. 98 millim. 



Hab. Banguey Isld. oft'N. Borneo (Brit. Mus.). 



A species to be placed near P . vibrans Walk., but with the opercul 1 distinctly differentiated. 



