Monographie der Ricaniiden (Homoptera). 33g 



bus, Costa margineque exteriore piceis lurido notatis, costa dimidio basali valde con- 

 vexo, alis posticis luridis. 



5. Tawny. Vertex, mostly covered by the prothorax; front twice as broad as 

 long, with rounded and slightly elevated sides, and with three short slight keels; of these 

 the pair are slightly curved. Prothorax slightly arched, with one keel and with a slight 

 transversa furrow. Mesothorax with five keels, of which the inner pair diverge hind- 

 ward, and the outer pair are niuch abbreviated. Legs yellowish testaceous. Fore wings 

 brownish-speckled; two blackish dots in the disk near the base; costa and exterior border 

 piceous, with various small lurid marks; four lines of transverse veins; first line bent 

 inward; second and third irregulär; fourth regulär, straight; costa very convex for half 

 the length froni the base. Hind wings lurid, 



Length of the body 3^/2 lines, of the wings lo lines. 



New Guinea. 



marginella Guer. 



Ricania marginella Guer., Icon. Regn, anim., pag. 359, Taf. 58, Fig. 6 (1843); Voy. de Belanger, 

 pag. 467 (i83o). 



Ist eine Flata. 



mesochlorus Walk. 



Flatoides mesochlorus Walk., List of Hom., II, pag. 411, 14 (1851). 



Diese Art gehört nach Stäl (Öfv. Vet. Akad. Förh., 1862, pag. 479) zur Gattung 

 Onnenis. 



minor Walk. 



Flatoides minor Walk., List of Hom., II, pag. 417, 24 (1851). 



Ist == Fl. Ugnarius Walk., List of Hom., II, pag. 413, 18 = Fl. debitans Walk., 

 Op. c, Suppl., pag. loi = Poeciloptera punctifrons Walk., 1. c, pag. 118 und gehört 

 nach Stäl (Öfv. Vet. Akad. Förh., 1862, pag. 479) zur Flatidengattung Seli^a. 



nigra Walk. 



Ricania nigra Walk,, Journ. Linn. See. Zool., X, pag. 150, 178 (1870). 



9. Nigra, capite ferrugineo, fronte tricarinata apice nigricante, facie prothoraceque 

 unicarinatis, mesothorace quinquecarinato, pedibus testaceis, pedibus posticis piceo vit- 

 tatis, alis obscure fuscis, alis anticis venis marginalibus furcatis. 



5. Black. Head ferruginous; vertex about eight times as broad as long; front much 

 broader than long, blackish towards the face, with three abbreviated keels, the keel on 

 each side curved and very remote from the middle one; face keeled. Prothorax with 

 one keel, more than four times as broad as long. Mesothorax with five keels, the keels 

 on each side diverging from the middle one. Legs testaceous; hind legs striped with 

 piceous. Wings dark brown, slightly translucid. Fore wings with some transverse 

 veins in the disk, and with two exterior complete lines of transverse veins; of these the 

 second line is more regulär than the first; marginal veins forked at the tip and along 

 the subapical part of the costa. Hind wings with one irregulär line of transverse veins; 

 some of the marginal veins forked. 



Length of the body 2 lines, of the wings 6 lines. 



Morty. 



Eine kleine Art, auf den Flügeldecken nahe der Basis ein winkelig gebrochener 

 Fleck (Kirby). 



