

126 



CICADID^. 



Genus TERPNOSIA. 



Terpnosia, Dist. A. M. N. H. (6) ix, p. 

 Orient. Cicad. p. 138 (1892). 



325 (note) (1892) ; id. Mon. 



Type, T. psecas, Walk. 



Distribution. Oriental and Malayan Eegions, China and Japan. 



Head about as long as breadth between eyes, deflected anteriorly, 

 front not prominent ; prouotum distinctly shorter than mesonotum, 

 its lateral margins sinuate, with the posterior angles moderately 

 lobately produced ; abdomen in male longer than space between 

 apex of head and base of cruciform elevation ; tympanal coverings 

 both narrower and shorter tlian tympanal cavities ; opercula in 

 male short and transverse, usually not or scarcely extending beyond 

 base of abdomen* ; anterior femora spined beneath ; tegmina and 

 wings hyaline, the first usually more or less maculate, with eight 

 apical areas, and the basal cell longer than broad ; wings with six 

 apical areas. 



A. Opercula in male not extendinrj beyond base of abdomen. 



a. Tegmina more or less maculate and with marginal sp)Ots. 



a. Tipnj^anal coverings more than half as long as tympanal orifices ; 

 opercida in male ivith their posterior margins moderately 

 convex. 



1620. Terpnosia psecas, Wall:. (Banduhiei) List Horn, i, p. 65 (1850). 

 Poniponia elegaiis, Kirby, J. Linn. Soc, Zool. xxiv, p. 130 (1891). 



Head, pronotum, and mesonotum brownish-olivaceous ; head 



Fig. 56. — Terpnosia psecas. 



with the front, area of ocelli, from which a fascia converges to 

 lateral margins of vertex, dark castaneous ; pronotum with two 



Except in T. Qnacidipcs and T. gancsa. 



