STIROMA NIGROLINEATA. 71 



Macropterous female. Vertex and frons brown. 

 Scutellum twice the length of the abdomen. 



I have examples from the Norfolk woods, where Mr. 

 Edwards says this species is not uncommon. 



Stiroma NIGROLINEATA, Scott. Plate XIX., figs. 2, 

 2 a to 2 d. 



E^iryhregma nigrolineata, Scott. 

 Stiroma nigrolineata, Edw. pt. i. 96. 



Macropterous female. Head broad. Vertex square 

 between the eyes, yellow, with a transverse angular 

 streak, which occasionally is variable in form. Eyes 

 yellow, with a brown pigmental spot within. Frons 

 yellow, with strong white keels ; those in the middle 

 are united until a little below the eyes, where they 

 furcate and pass over the vertex. A short transverse 

 carina separates the clypeus from the frons. Pro- 

 notum and scutellum yellow, with two broad longi- 

 tudinal and two transverse marks which variegate the 

 same. Elytra nearly twice the length of the abdomen, 

 greenish grey, with brown nervures. A broad brown 

 band passes round the costal edge and also the apex. 

 This band is continued almost to the base and near to 

 the suture. 



Brachelytrous male oblong, yellow, with seven brown 

 dots on the vertex which indicate the pits of the 

 caringe. Pronotum with its posterior edge sinuous, 

 and about two-thirds the length of the scutellum. 

 Two dark longitudinal lines run down both these seg- 

 ments, and pass into two wider stripes on the abdomen. 

 The abdomen is concolorous yellow, the somites being 

 marked by brown edges and conspicuous stigmata. 

 Pygofer square, with a deep circular notch. Mouth of 

 the pygofer short-pyriform, with an upper indentation. 

 Styles brown, pointed, tapering, and curved, with a 

 straight penis between them. Two strong prehensile 



