THESSITTJS. 



231 



A. Vertea^ of head not quite twice broader than long. 

 a. Ter/mina rvith the apical margins oblique. 



1760. Thessitus insignis, Westiv. (Eurybracliys) A. M. N. H. ix, 

 p. 119 (1842) ; Hope (Eurvbrachis), Tr. Linn. Sac. xix, p. 134, 

 t. xii. f. 9 (1845) : Sta/, (Thessita) Stett. ent. Zeit. xxiv, p. 247 

 (1863) ; Atkins. (Thessitus) J. A. S. Beng. Iv, p. 19 (1886). 

 Var. multicolor, Walk. (Eurvbrachys) /. Linn. Soc, Zool. i, p. 88 

 (1856). 



Body and legs bl•o^^•nish-ochraceous ; tarsi and rostrum fuscous ; 

 apex of abdomen (in fresh specimens) more or less covered and 

 concealed with white waxy efflorescence ; tegmina above pale fa\^'n- 

 coloured, about basal half (not wholly reaching costal margin) 



Fig. 98. — Thessitus insignis. 



darker in hue and ornamented A\'ith transverse or oblique black spots, 

 outer half of costal and the whole of apical marginal areas with 

 minute black spots, tegmina beneath with the outer margins of the 

 basal dai-ker coloration broadly eretaceously tomentose ; wings cre- 

 taceous-white, apical area with a cluster of black spots, of which the 

 inner three are largest and the outer series (of about five) smallest. 



Length excl. tegm. 14^ to IS ; exp. tegm. 54 to Q2 millim. 



Jfab. Malabar {Coll. Dist.). — Pound generally throughout the 

 Indo-Malayan Islands. 



The variety or race multicolor, Walk., has the basal area of the 

 tegmina virescent or bluish-green, and, so far as my experience 

 extends, is confined to the Eastern or Malayan Eegions, and not 

 found in British India. 



B. Vertex' of head more than twice broader than long. 

 b. Tegmina ivith the ajyical margin obtusely rounded, subtruncate. 



1761. Thessitus nigro-notatus, .S";"*"/ (Thessita). Stett. e)it. Zeit. xxiv, 

 p. 247 (1863) ; Atkins. (Thessitus) /. A. S. Beng. \v, p. 19 

 (1886). 



Body and legs pale fawn-colour ; vertex of head with the anterior 

 margin, two spots on each side before eyes and a central basal 

 spot, prouotum with two anterior angulated spots and five small 



