332 jAssiD^. 



I have not seen this species but it is evidently allied to the pre- 

 ceding J. silvestris, from which it differs by its concolorous 

 pronotum and scutellum. 



b. Tegmina hlack vnth the costal margin ocTiraceous. 



2584, Jassus pauperculus, Spamjh. Ofv. Vet.-Ak. Fork. 1878, no. 8, 

 p. 35 ; Melich. Horn. Faun. Ceylon, p. 177 (1903). 



Var. bilineatus, Melich. Horn. Faim. (Jeylon, p, 178 (1903). 



Tettigouia frontalis, Kirby, J. Linn. Soc., Zool. xxiv, p. 1G9 (1891) ; 

 Melich. Horn. Faun. Ceylon, p. 156 (1903). 



Jassus fuscus, Melich. Horn. Faun. Ceylon, p. 179 (1903). 



Vertex and head beneath yellow ; eyes black ; face black with 

 the lateral margins in front of the antennae yellow, its anterior 

 margin reddish ; clypeus black, a central line and apex yellow ; 

 pronotum and scutellum black, the latter with its apex greyish ; 

 tegmina black, costal margin (more broadly beyond middle) and 

 narrow posterior claval margins ochraceous, apices brownish- 

 ochraceous; body beneath black, spots to sternum, abdominal 

 segmental margins and the legs, ochraceous ; vertex centrally 

 carinate ; pronotum granulose. 



Length incl. tegni. 6 to 9 millim. 



Hah. Ceylon ; Puudaluoya (Gree)i,[ Brit. Mus.), Maskeliya, 

 Dambool, Kandy {Green, Coll. Dist.). 



A variable species ; in some specimens the face is black, 

 margined as described above ; in others the face is yellow 

 posteriorly margined with black, and sometimes with a central 

 longitudinal line of that colour. The sternum is either black 

 spotted with ochraceous as described above, or with the prevalent 

 colour reversed, viz., yellow with black spots. 



2585. Jassus noctiirnus, sp. n. 



Black or dark bluish-black ; vertex, eyes, head beneath, sternal 

 and abdominal segmental margins, coxae, legs, very narrow posterior 

 margin to pronotum, broad costal, and narrow inner margin to 

 tegmina, ochraceous ; vertex centrally longitudinally carinate ; 

 pronotum and scutellum finely granulose ; face margined with 

 black beyond middle. 



Var. a. Eace and clypeus black ; tegmina more or less fuscous 

 brown between the black veins. 



Var. h. Head beneath (including face and clypeus) uniformly 

 ochraceous, without black markings. 



Length incl. tegm. 7| to 10 milUm. 



Hah. Assam ; Margherita {AtTcins. Coll., Brit. Mus.) ; Nilgiri 

 Hills {Hampson). 



In some specimens the vertex is more or less suffused with 

 black at its anterior area, in others there are only two small black 

 spots on the anterior margin. 



