Monographie der Ricaniiden (Homoptera). 34 1 



en avant, courte et terminee en point mousse) und die kleinen Tuberl^eln am Clavus 

 (pan interne tuberculc) nur den Flatiden zukommt. 



prominens Walk. 



Ricania prominens Walk., Ins. Saund. Hom., pag. 48 (1858). 



» ■■' Atkin, Journ. Asiat. Soc. Bengal, LV, pag. 57, 79 (1886). 



Obscure testacea; vertex brevissimus; frons elongata, tricarinata, lituris trans- 

 versis nigricantibus, margine elevato; prothorax bicarinatus; mesothoracis discus fuscus 

 interlineatus, guttisquattuor lateralibus nigricantibus; abdomen obscure fuscum, testaceo 

 bivittatum; femora nigro substrigata; alae vitreae, viridescentes, fusco marginatae; an- 

 ticae fusco notatae, fascia subapicali stigmateque albidis. 



Dull testaceous. Head forming on each side a large vertical compartment, in 

 vvhich the eye and the antennae are scated. Vertex transverse, very short, mostly covered 

 by the prothorax; front with transverse blackish marks, very much longer than broad, 

 with elevated borders and with three slight keels, the middle one shortened, the pair 

 converging towards the face, where they are connected; face lanceolate, keeled. Pro- 

 thorax very convex along the fore border, with two slight keels. Mesothorax with a 

 brown interlined disk and with two blackish dots on each side. Metathorax and ab- 

 domen dark brown, the latter with a pale testaceous stripe on each side. Legs testa- 

 ceous; femora slightly streaked with black. Wings grayish vitreous; exterior and in- 

 terior borders brown; veins black. Fore wings with brown marks along the costa and 

 with a few brown marks elsewhere, and with an irregulär whitish subapical band; stigma 

 whitish veinlets regulär along the costa and along the exterior border, where they are 

 mostly forked; discal veins and veinlets irregulär, the latter numerous. Hind wings 

 with very few veinlets. 



Length of the body 4 lines, of the wings 12 lines. 



Silhet (Assam). 



Ist zweifellos eine Nogodifia-Art. 



ptyeloides Walk. 



Dechitiis? ptyeloides Walk, Journ. Ent , I, pag. 3ii (1862). 

 Ist nach Kirby's Mittheilung keine Ricaniide. 



pustu latus Walk. 



Flatoides pustiilatiis Walk., Ins. Saund. Hom., pag. 48 (1858). 



Ist nach Kirby's Mitlheilung = mesochloriis Walk., sonach keine Ricaniide. 



qiiadratiis Walk. 



Flatoides quadvatus Walk, List of Hom., II, pag. 420, 28 (1851). 



Diese Art, bei welcher der Scheitel von der Stirn nicht getrennt ist, ist keine Rica- 

 niide und gehört zu den Flatiden, wofür das Vorhandensein eines Querkieles längs des 

 Scheitelhinterrandes spricht. Nach Stäl (Öfv. Vet. Akad. Förh., 1862, pag. 479) gehört 

 diese Art in die Gattung Dascalia Stäl. 



semialbiis Walk. 



Flatoides semialbiis Walk., Journ. Linn. Soc. Zool., X, pag. 142, 164 (1870). 

 i Fl ata pyralis Guer, Vo}'. Coquille 192, Atlas Ins., pl. 10, pag 11. 



Ist keine Ricaniide, sondern gehört in die Gruppe der Flatiden. 



