382 VESPiD^. 



elongate parallelogram ; abdomen — basal segment lengthened into 

 a petiole, with a strong tooth on each side in the middle and 

 slightly thickening and depressed towards the apex ; 2nd segment 

 with the base petiolate, posteriorly campanulate, 3rd and following 

 segments decreasing somewhat regularly in breadth and length. 



668. Belonogaster indica. 



Raphigaster indious, Sauss. Man. Quep. Soc, p. 17, $ . 

 Belonogaster indicus, Smith, Cat. v, p. 94. 



? 6 • Head, thorax, and abdomen more or less pruinose, with a 

 thin short silky pile ; the head and thorax covered with evenly 

 regular, sparse, and somewhat shallow punctures ; eyes slightly 

 divergent towards the vertex ; scutellum and postscutellum pro- 

 minent, the former square, the latter with a broad triangular 

 hollow below it. Dark ferruginous brown, the 2nd abdominal 

 segment with a yellow medially interrupted band on the margin 

 of the 2nd segment continued entire beneath, 3rd and 4th segments 

 blackish with their margins ferruginous brown, apical segments 

 ferruginous brown ; wings brownish hyaline with iridescent efful- 

 gence. 



Var. Entirely ferruginous brown, no yellow border to the 2nd 

 abdominal segment. 



Hah. India (/Smi^/A); Bombay (/Sfmsswre); Madras. $ S • Length 

 18-24 ; exp. 38-49 mm. 



Genus POLYBIA. 



Polybia, Lejjel. Hym. \, p. 533 (1836). 



Ehopahdia, pt., Lepel. t. c. p. 5.38. 



Myrapetra, pt., White, A.M.N. H. vii, p. 320 (1841). 



Type, P. indica, Sauss.* 



liaiuje. North and South America, Africa, and the Oriental 

 region. 



Head flat ; eyes elongate, the sinus on the inner orbits wide, the 



orbits below not reaching the base 

 of the mandibles ; antennae long, 

 filiform, inserted high up on the 

 front ; clypeus pentagonal, the 

 apex ending in a tooth ; man- 

 dibles with their apex nearly 

 square ; four large terminal teeth 

 slightly slanting ; ocelli complete, 

 round, set in a triangle on the 

 vertex. Thorax variable, in all 

 the Indian species — compressed, 

 Yig. \\b.~Polybiamdica,^. \. especially the median segment, 



which is generally more sloping 

 and less vertical than in any species of Icaria, rounded posteriorly 

 and furrowed down the middle ; legs long, slender, the intermediate 



* This is the type of the species found in the Old World, subgenus Para- 

 polyhia, Sauss. 



