CURYSIS. 479 



rugose, longitudinally carinate posteriorly', the apex excavate ; 

 postscutellum convex, prominent posteriorly, from above semi- 

 circular, completely overlying the median segment, except the 

 posterior lateral angles which are broadly produced and somewhat 

 obtuse at apex ; wings hyaline, the fore wing with a faint brownish 

 'tint from base to near the apical margin, nervures brown, tegulae 

 green. Abdomen broad, the base transverse, a slight broad shallow- 

 depression in the middle of the base above ; sides of the abdomen 

 parallel, convergent posteriorly on the 3rd segment, the anreapical 

 series on the latter more or less obsolete, the fovea? small and 

 round, the apical margin broadly but not strongly curved, armed 

 with 5 teeth, subacute, broad, the medial three subequal and 

 shorter than the lateral teeth. 



$ unknown. 



Length, tf 9-9-5 ; exp. 17 mm. 



Hal. Kecorded so far only from Pooua ( Wroughton) ; Tenas- 

 serini, Haungdraw valley (Binf/ham). 



560. Chrysis imperiosa, Smith, Trans. Ent. Soc. 1874, p. 460; Mocsdhj 

 (Peutachrysis), Mon. Chrys. 1889, p. 526. (PI. I, fig. 13.) 



$ . Greenish blue, the facial hollow green ; the region of "the 

 ocelli, the thorax above and partially on the sides, and the sides of 

 the basal two abdominal segments, dull metallic copper-colour ; the 



Fig. 159. Chrysis imperiosa, $. a. Head from the frout. 



postscutellum, median segment, and the 2nd and 3rd abdominal 

 segments shaded with brilliant purple ; antennae dull black, the 

 scape in front and the basal two segments of the flagellum above 

 purplish blue ; the legs purplish blue, the tarsi dusky brownish 

 black. Head and thorax coarsely and densely punctured, cribrate, 

 abdomen more finely but just as" coarsely punctured, the punctures 

 shallow. Pilosity abundant, brownish ; very short, longer on the 

 head and towards apex of abdomen ; still longer, white, recumbent 

 or oblique in the facial hollow and on the legs. Head from the 

 front triangular, very broad across the vertex, slightly convex ; 

 clypeus with its anterior margin sinuate, almost eomrginate in tli- 

 middle ; facial hollow coriaceous, in certain lights appearing trans- 

 versely striate ; a transverse carina above its upper margin, from 

 which is given off a semicircular cariua enclosing the anterior 



