CHIIYSIS. 



4o3 



531. Chrysis triacantha, Mocsdnj (Trichiysis), Mon. C/irys. 1889, 

 p. 325; du L'ui/ss. Jour. Bomb. N. H. Soc. x (1896), p. 471. 



$ . Dark metallic green or bluish green, the space round the 

 ocelli, the median lobe of the mesouotum, the middle of the 

 scutelium, and the disc on either side of a median line on the 2nd 

 and 3rd abdominal segments purphsh, the purple on the abdomen 

 very mueli lighter in colour and forming only a transverse spot on 

 the 3rd segment, round the ocelli and on the uiesonotum anteriorly 

 the purple grades into black ; the autennse black, scape in front 

 and 1st joint of flagellum above green ; legs green, the inner side of 

 the femora dark, the inner side of the tibiae and the whole of the 

 tarsi lighter brown ; head and thorax closely, moderately coarsely 

 punctured, granulate, abdomen more finely punctured ; a space at 

 base of the scutelium almost smooth, with minute punctures ; 

 pilosity brownish, somev.hat sparse. Head broader than long, the 



Fig. VA. — Vhrijais triacantha, $. a. Head from front. 



eyes prominent ; facial cavity rugulose, covered somewhat densely 

 with white hairs ; clypeus broad, emarginate in the middle anteriorly, 

 frontal transverse carina very short ; anterior ocellus not enclosed 

 within a carinate space, occiput transverse. Thorax : the pro- 

 notum short, transversely rectangular, medially impressed in front, 

 the side emai'ginate at base, the anterior lateral angles somewhat 

 truncate; pi'opleurae excavate; mesouotum, scutelium and post- 

 scuteUum very convex, median area on mesouotum broadened 

 anteriorly ; mesopleurae longitudinally impressed, the apex beneath 

 not dentate ; median segment suppressed beneath the postscutellum, 

 posterior lateral angles shortly produced, acute ; wings hyaline; 

 very lightlv fuscous, nervares brown, tegula) greenish blue. Abdo- 

 men a little depressed, deeply sulcate in the middle at base above, 

 the sulca short and smooth within, a shallower impression on each 

 side of the medial groove ; 2nd and 3rd segments lightly medially 

 carinate, the anteapical series of foveas on the latter few, Q-S, large 

 and open, apical margin armed with 3 teeth. S unknown. 



LengtJi, § &i!:-7 ; exp. 13 mm. 



Hah. Recorded so far from Calcutta {du Bui/sson) and Ceylon 

 (Green) ; extending to the Malayan subregion. 



532. Chrysis singalensis, Mocsdnj (Tiichrysls), Mon. Chryx. 1889, 

 p. 324. (PL 1, fig. 4.) 



$ . Metallic green, with golden effulgence on the sides of the 



