HELIONA. 



407 



Genus HELIONA. 

 Heliona, Melich. Horn. Faun. Ceylon, p. 21o (1903). 



Type, H. consti-lcta, Melicb. 



Distrihuiion, Ceylon. 



•' This genus is distinguished from Emjjoasca, with which it is 

 very closely allied, by the long narrow face which is not open 

 above as in Empoasca but closed, because the frontal sutures are 

 connected below by an acute angle, or bow-shaped with one another ; 

 otherwise as in Em_poasca." (MeUchar.) 



2677. Heliona constricta, Melich. Horn. Faun. Ceylon, p. 21o, t. vi, 

 f. 5, a, b (1903). 



" Body somewhat long, elongated, dirty-yellowish, vertex distinctly 

 longer than the breadth between the eyes at base, and therefore 

 narrower than between the front corners of the eyes, the anterior 



Fig. 252.- -Heliona constricta. 



margin suddenlv produced into a short obtuse point on which are 

 two black longitudinal spots; face somewhat long, narrow, the 

 sutures which in the lower part begin from the antennal cavities to 

 clypeus are black connected together at the tips of vertex beneath 

 with a sharp angle, the facial disk a little arched, with short in- 

 distinct transverse streaks ; rostrum and clypeus short ; pronotutn 

 rather longer than the vertex, greenish-yellow; scutellum rusty- 

 yellowish with a short transverse medial line ; tegmina somewhat 

 long, narrow, hyaline, transparent, of a dirty -yellowish colour, 

 with very delicate veins only perceptibly yellowish on the apical 

 area ; wings hyaline, vitreous, with yellowish veins ; sternum and 



