ACRIDIDJE. 511 



Male. Tawny, slender. Head and pvothoiax willi two white lateral 

 stripes. Head much shorter than the prothorax, smooth, conical, very 

 slightly keeled and with an elevated border in front of the eyes; front with 

 two keels which diverge towards the face. Eyes fusiform, oblique, slightly 

 promiuenl. Antennae lanceolate, about twice the length of the head above. 

 Prothorax punctured, with three parallel keels and with three blackish 

 stripes; fore border and sides straight; hind border rounded. Prosternum 

 with a transverse ridge. Legs moderately stout; four anterior tibiae with 

 minute spines ; hind tibiae with small spines. Fore wings with a blackish 

 subcostal streak extending fiom the base to beyond the middle. Hind 

 wings pellucid, rather shorter than the fore wings; veins black. Length of 

 the body 16 lines; expansion of the fore wings 24 lines. 



Closely allied to O. basalis. 



a. Natal. From M. Gueinzius' collection. 



South Asia. 

 22. Opomala laticornis. 

 Opsomala laticornis, Serv. Hist. Orth. 590. 

 Bombay. 

 a. North Hindoslan. From Dr. Hooker's collection. 



23. Opomala bicolor. 



Acridium (Opsomala) bicolor, Haan, Verz. Nal. Gesch. Ned. Ind. Bez. Ins. 

 148. 



Japan. Java. 



24. Opomala lineatitarsis. 



Opsomala lineatitarsis, Stal, Eug. Resa, 324. 



Hong Kong. 



25. Opomala? Japonica. 



Truxalis (Opsomala ?) Japonica, Motsch. Bull. Soc. Nat. Mosc. xxxix. 

 ]81. 



Japan. 



26. Opomala converge ns. 



Foem. Pallide testacea, gracilis, fere linearis ; caput el prothorax lineis 

 nonnullis obscurioribus ; caput prolhorace brevius, antice lanceolatum 

 el marginatum ; oculi obliqui,fusco lineati ; aiitennte fatce, prolhorace 

 fere duplo Umgiores ; prothorax lineis quiiique elevatis ; prosternum 

 obtuse denta turn ; abdomen Umguni, apiccm versus atlenualum ; ovi- 

 ductus longus, rectus; pedes quatunr anleriores breves; libiee pos- 

 ticce biserialim spinulosce ; alee postic(e diaphance, bast rosece. 



Female. Pale testaceous, slender, nearly linear. Head and prothorax 

 with several darker lines, and on each side with a broad white stripe which 

 is continued along the hind femora. Head shorter than the prothorax ; 

 cone in front of the eyes lanceolate, with an elevated border; under side 

 roughly punctured, keeled in front. Eyes oval, oblique, not prominent. 



