LIBUKNIA LEPIDA. 37 



the pronotum. Elytra one-half longer than the abdo- 

 men ; nerves dirty white." 



Size, 3*5 millimetres, or 0*14 inch. The middle 

 keel of the frons furcates before it passes on to the 

 vertex. 



My figures are taken from specimens liberally lent 

 to me by Mr. J. W. Douglas. 



LiBURNiA LEPIDA, Boh. Plate XII., figs. 1 to 4. 



Delphax lepida, Boh. ; Kirschb. ; Fieb., G. D. t. 8, 



fig. 86. 

 Delphax tristis, Boh. 

 Libiimia lepida, Scott ; Sahl. ; Fieb., C. E. pt. iv. 32 ; 



Edw. pt. i. 74. 



Macropterous form small, with vertex squarish and 

 projecting. Eyes reddish. Antennas orange-coloured. 

 Head and pronotum brown, with white keels, which 

 are continued down to the posterior margin of the scu- 

 tellum. Abdomen dark brown. Elytra delicate and 

 milky-white ; nervures spotted with many brown dots. 

 A broadish, dark, irregular, wavy line passes inwards 

 from the apical edge, and a similar one passes across 

 the costal edge. A blotch usually occurs at the margin 

 of the clavus. Legs brown, with several white rings. 

 Tarsi orange. 



The Brachypterous female is larger and more robust. 

 Elytra half the length of the abdomen, and vandyked 

 with white and brown at their apices. Veins white 

 and coarse, marked by five or six black dots. Abdo- 

 minal rings swollen, and obscurely marked with 

 yellowish blotches. 



The Brachypterous male is small, brown, with yellow 

 keels. Apical border of elytra white. The pygofer is 

 blunt, with a notched crescentic border. Anal process 

 yellow and obtuse, with sharp sickle-shaped styles. 



Inch. Millimetres. 



Expanse 0-260 6-60 



Size 0-12 3-0 



