LIBURNIA OBSCURELLA. 55 



LiBURNiA STRiATELLA, Fallen. Plate XVI., fig. 1 to 1 c. 



Delphax striatella, Fall.; Flor ; Marsh. ; Fieb., G. D. 



,, notula, Stal. [t. 8, fig. 21. 



Lihurnia striatella, Scott; Sahl. ; Fieb., C. E. pt. iv. 



5, 3 ; Edw. i. 84. 



Macropterous form black. Keels of the head and 

 fore and hind edges of the pronotum bluish grey, the 

 dark part of the latter being spread out broadly at the 

 margins. Scutellum black, with a reddish cross-streak ; 

 edges of the metanotum orange. Abdomen violet- 

 black, with an orange dorsal angular spot. Elytra 

 brownish, hyaline, iridescent, with a golden lustre. 

 Length twice that of the abdomen, with a dark tri- 

 angular spot at the extreme point of the clavus. 

 Antennas and legs greenish brown. Pygofer small and 

 notched. Styles short, and dilated at their bases. 

 (Vide figs. 1 h and 1 c.) 



Inch. Millimetres. 



Expanse 0-22 5-56 



Size 0-08 X 0-03 2-02 x 0-76 



LiBURNiA OBSCURELLA. Plate XVL, fig. 2 a, 2 6. 



Delphax ohscurella, Boh. ; Fieb., G. D. t. 8, fig. 29. 

 Liburnia ohscurella, Scott; Fall. ; Fieb., C. E. pt. iv. 

 20 ; Edw. i. 80. 



General colour pale ochreous. Eyes brown. Vertex 

 slightly projecting, brownish. Frons dark brown, with 

 yellow keels, the middle one forking close to the vertex. 

 Scutellum with pale carinae, one-third longer than the 

 pronotum. The spots on the scutellum noted by 

 Edwards do not always occur. Abdomen brown at the 

 apex. Elytra one-third longer than the abdomen, pale 

 fuscous, with a darker costal edge. Legs and antennae 

 concolorous with the pronotum. Pygofer seen from 

 behind, almost an isosceles triangle with rounded 



