18 



ARKIV FÖR ZOOLOGI. BAND 12. NIO 17. 



are always visible outright without further manipulations, but 

 they are often in the Fulgoridae rather complicated and diffi- 

 cult to describe without figures. 



In his monograph of the Didyopharinae Melichar has 

 generically separated Ner sia Stål from Dictyophora Germ. 

 on account of the keeled elytral tegulse, but this slight character 

 is scarcely of specific and certainly not of generic importance. 

 Stål was in my opinion quite right in uniting them. On the 

 other hand I agree with Horvath and Haupt in regarding 

 Chanithus Kol. as generically distinct from Dictyoj^hora. 



Subfam. Cixiinae. 



Paranigrus nov. gen. 



Caput ante oculos leviter productum, apice e latere visum 

 subsemicirculariter rotundatum, vertice et f rönte continu- 

 atim tricarinatis, carina media nonnihil 

 ante basin clypei abrupta, carinis latera- 

 libus jDer clypeum etiam medio carinatum 

 continue pergentibus, ad suturam clypeo- 

 frontalem non interruj^tis, vertice 23aullulo 

 longiore quam latiore, basi obtusangula- 

 riter sinuato, ad basin areolis duabus (una 

 utrinque mox inträ oculum) transversis 

 triangulaiibus carinulato-limitatis medio 

 impressis apicem introrsum vergentibus et 

 carina brevi transversa inter se janctis iii- 

 structo, antice cum fronte rotundato-con- 

 fluente,hac evidenter longiore quam latiore, 

 clypeum versus leviter dilatata, clypeo 

 paullulo latiore quam longiore, dimidium 

 frontis longitudine vix aequante, basi le- 

 viter rotundato, a fronte impressione pro- 

 funda discreto, oculis subtus truncatis, 

 ocello tertio mox supra suturam clypeo- 

 frontalem posito, minuto sed distinct o, 

 antennis marginem exteriorem oculorum levissime superanti- 

 bus, articulo primo brevissimo, secundo subovali, apice sub- 

 truncato, arista aj)icali brevi, rostro basin ventris fere at- 

 tinggnte, articulo ultimo elongato, quam penultimo vix bre- 



Fig. 



2. Paranigrus 

 Muiri. 



