BENNIA. 



91 



the tips. Legs rather thick ; front femora scarcely dilated, hind 

 femora not banded with black ; tibiae with four yellow rings ; 

 tarsi yellow. 



Length 26'5 mm. ; tegmina, 21 mm. 



Ceylon. 



Type in the Geneva Museum. 



Genus BENNIA. 



Bennia, Burr, Ann. Soc. Espafi. xxviii, 1899, pp. 88, 94, lOG; id., 

 Gen. Ins., Orth. Eumast. 1903, pp. 6, 9. 



Type, Mastax innotata, Walk. 



Range. Yunnan, Bhutan. 



Fastigium of the vertex projecting horizontally beyond the 

 eye, and truncated at the extremity ; ej^es very large, oval, 

 and prominent ; antennae subclavate ; face with lateral carinae 

 curved inwards at the eyes, middle carinas moderately divergent, 

 but united at the extremities. 



JCei/ to the Sjyeeies. 



Tegmina not spotted at base innotata, Walk. 



Tegmina spotted with brown at base oherthuri, Bol. 



103. Bennia innotata, ^Valh. 



Mastax innotata, Walker, Cat. Derm. vSalt. B.M. v, Suppl. 1871, 



p. 88. 

 Bennia innotata, Burr, Ann. Soc. Espau. Ili.st. ISat. xxviii, 1899, 

 p. 106 . 



[Ferruginous, slender. Head elongate, obliquely but abruptly 

 ascending ; tip of vertex conical, prominent, shghtly bilobed. 

 Face long, oblique, with four well-defined keels ; inner keels 



forming the frontal costa con- 

 verging and meeting at a 

 short distance from the cly- 

 peus ; antennae black, short, 

 pale at the base ; eyes ellip- 

 tical, prominent. Prothorax 

 short, widened posteriorly, 

 Avith a sliglit median carina. 

 Posterior femora as long as 

 \, ;: the abdomen ; tibiae slender, 



% ii piceous, a little longer than 



the femora ; spines small. 

 Fig. IS.— Bennia innotata. Tegmina narrow, very slightly 



infuscate, hyaline, with two 

 pale spots near the apex, the anterior one very small, the posterior 

 one occupying six or eight of the cells. Wings slightly paler 



