CllTPTOTYMPANA. 



81 



A. Tegmina with transverse veins at bases of second and third 

 apical areas not infuscated. 



a. Tegmina ivith hlaclc basal coloration extending beyond basal cell. 



b. Opercula in male about half as long as abdomen, their outer 

 margins inivardly oblique, their apical margins concavely 

 oblique to apices, ivhich are obtusely angulate. 



1503. Cryptotympana COrvus, Walk. (Fidicina) List Horn, i, p. 80 

 (1850) ; Atkins. J. A. S. Beng. liii, p. 231 (188-5) ; StSI (Crypto- 

 tympana), Ofv. Vet.-Ak. Fork. 1802, p. 483; Dist. Mon. Orient. 

 Cicad. p. 8?; t. X, f. 11, a, b (1891). 

 Fidicina invarians, Walk. his. Suund., Hoin. p. 11 (1858). 



Body above black ; lateral margins of pronotum ochraceously 

 pilose : mesonotum Avith the outlines of two central obconical 

 spots ; head beneath, sternum, legs, and rostrum blackly, thickly 

 greyishly pilose ; a spot at basal margin of face, femora and pos- 

 terior tibiae (excluding bases and apices), and opercula (excluding 



Fig. 41. — Cryptotympana corvus. 



basal areas) reddish-ochraceous ; abdomen beneath thickly darkly 

 ochraceously pilose, with a broad central black fascia ; tegmina 

 and wings hyaline, the venation ochraceous and fuscous ; tegmina 

 with the costal membrane ochraceous, its edge black, postcostal 

 area black, basal cell and less than basal fourth (excluding vena- 

 tion) black ; wings with less than basal third black. 



Length excl. tegm., J , 45 to 47 ; exp. tegm. 117 to 130 millim. 



Hab. Sikhim (Coll. Dist.). Darjiling (Stockh. Mus.). Sylhet 

 {Brit. Mus.). Assam {Ind. Mus.) ; Naga Hills {Doherty). Nilgiri 

 Hills {Hampson). 



