Monographie der Ricaniiden (Homoptera). -'-'5 



costimacula Walk. 



Pochaiia costimacula Walk., Journ. Linn. Soc. Zool., I, pag. 91, 34 (1857). 

 Ricania costimacula Atkin., Journ. Asiat. Soc. Bengal, LV, pag. 60, 86 (li 



Nigra, capite pedibusque fulvis, vertice fusco margine fulvo, aus nigricantibus, 

 anticis apud margines et apud venulas transversas luridis, macula costali albido-hyalina. 



Head and legs tawny; vertex brown, with a tawny border; front broader than 

 long, with a middle keel and with an elevated margin. Wings blackish. Fore wings 

 mostly lurid along the borders and about the transverse veinlets, and with a whitish 

 hyalin spot on the costa beyond the middle. 



Length of the body 2^2 lines, of the wings 7 lines. 



Malacca. 



Der R. limitaris Walk, ähnlich. 



decoriis Walk. 



Flatoides decorus Walk., List of Hom., II, pag. 418, 25 (1851). 



Ist nach der gefälligen Mittheilung des Herrn Kirby, welcher die Walker'sche 

 Type einer genauen Untersuchung unterzog, keine Ricaniide. 



densa Walk. 



Ricania densa Walk., Journ. Linn. Soc. Zool, X, pag. 151, 180 (1870). 



<S. Nigra, fronte tricarinata piceo marginata, facie picea non carinata, prothorace 

 unicarinato, mesothorace quinquecarinato, pectore ventreque piceis, pedibus testaceis, 

 alis anticis piceo-nigris venis marginalibus non furcatis, alis posticis fuscis subhyalinis. 



cT. Black. Vertex extremely short; front very much broader than long, piceous 

 on each side and in front, with three abbreviated keels, of which the keel on each side 

 is slightly curved and very remote from the middle one; face piceous, not keeled. Pro- 

 thorax arched, with one keel. Mesothorax with five keels, of which the inner pair diverge 

 from the middle one hindward, and are there united to the outer pair. Pectus and 

 abdomen beneath piceous. Legs testaceous. Fore wings piceous black, with a few 

 transverse veins in the disk; two regulär and complete lines of transverse veins, one 

 postmedial, the other nearer the exterior border; marginal veins not forked. Hind 

 wings brown, semihyaline; one transverse vein; marginal veins not forked. 



Length of the body 2^/2 lines, of the wings 7 lines. 



Flores. 



deplana Walk. 



^Pocha^ia deplana Walk., Journ. Linn. Soc. Zool., I, pag. 162, 108 (1857). 



Ist eine Poeciloptera (Walk., List of Hom., Suppl., pag. 335). 



discus Walk. 



Flatoides discus Walk., List of Hom., II, pag. 409, 11 (185 1). 



Gehört nach Stäl (Öfv. Vet. Akad. Förh., pag 479, 1862) zur Gattung Ormenis. 



diibitans Walk. 



Flatoides dubitans Walk., List of Hom., Suppl., pag. loi (1858). 



Ist identisch mit Flatoides lignarius Walk., List of Hom., II, pag. 413 = Fl. 

 7Mznor Walk., 1. c, pag. 417 = Poeciloptera punctifrons Walk., op. c, Suppl., pag. 108 

 und gehört zur Flatidengattung Seli:ia (Stul, Öfv. Vet. Akad. Förh., pag. 479, 1862). 



