460 CHRYSLDIDvE. 



long, the 1st and 3rd subequal. Thorax : the pronotum short, 

 transversely rectangular, a little impressed in the middle above, 

 the sides sinuate ; propleurse excavate ; mesonotum and sctitellum 

 nearly flat, very slightly convex ; rnesopleurse rugose ; postscutelluni 

 convex, rounded; the produced posterior lateral angles of the 

 median segment small, narrow, acute at apex : wings hyaline, 

 nervures brown, tegulee purple. Abdomen comparatively short, 

 transverse at base, medially longitudinally carinate, the sides 

 slightly convergent posteriorly ; the apical margin somewhat 

 sharply transverse, bearing 4 short acute, nearly equidistant teeth ; 

 the fovese in the anteapical series few in number, about 6, large, 

 deep and open. 



<3 . Almost identical, slightly broader, the antennae longer ; the 

 fove in the anteapical series very much smaller, nearly obliterated. 



Length, $ 5'5-6-5, <J 5-5-6 ; eaep. $ rf 12 mm. 



Hob. Bengal, Barrackpore (Rothne;/) Deesa (Nurse) ; Ceylon 

 (Green). Type in Mr. Rothney's collection. 



542. Chrysis thalia, Nurse, Entomologist, xxxvi (1903), p. 41, $ <$. 



2 . Metallic green, a spot on the sides of the head behind the 

 eyes, the middle indistinctly of the scutellum, and very narrowly 

 the apical margins of the 1st and 2nd abdominal segments golden ; 

 the median area on the mesonotum, the bases broadly of the 1st 

 and 2nd, the -base broadly, and sides and apical margin of the 3rd 

 abdominal segment dark metallic blue ; antennae brown, the scape 

 in front green ; the 1st joint of the flagellum above bronze ; legs 

 green, tarsi yellowish brown ; head, thorax and abdomen very 

 evenly punctured, the punctures close but not dense and not 

 larger on the thorax than on the abdomen; facial cavity very 

 minutely transversely rugulose, almost smooth, in some specimens 

 more coarsely sculptured than in others, the pubescence within 

 thin, almost wanting ; pilosity brownish, fairly abundant. Head 

 as broad as the pronotum, thick ; the clypeus broad, arched 

 anteriorly in the middle ; the facial cavity moderately deep, with 

 an irregular transverse carina above it on the front ; anterior 

 ocellus placed in a slight depression, not nearly so marked as in 

 C. fuscipennis ; antennas slender, the 2nd joint of the flagellum 

 a little longer than the 3rd ; front and vertex convex, occiput 

 slightly but distinctly widely emarginate. Thorax narrow, 

 elongate ; the pronotum transversely rectangular, the anterior 

 margin sharply transverse, a slight medial depression anteriorly ; 

 propleura3 with a longitudinal oval excavation bounded beneath by a 

 short high carina; mesonotum, scutellum and postscutellum gently 

 convex ; the mesopleurae punctured, with a longitudinal groove, 

 and the apex beneath excavate, groove and apex margined ; 

 postscutellum large and somewhat gibbous, rounded posteriorly, 

 entirely overlying the median segment, except the produced 

 posterior lateral angles which are acute at apex. Wings hyaline, 

 nervures and tegula3 brown ; legs slender. Abdomen narrow, 



