APPENDIX. 93 



joints from the fifth to the tenth successively decreasing in length ; 

 club fusiform, more than twice the length of the tenth joint : tho- 

 rax oval : prothorax transverse, very short : scutum of the meso- 

 thorax broad ; sutures of the parapsides indistinct ; scutellum ob- 

 conic, having a slight trace of a transverse suture near the tip : 

 propodeon obconic, declining, bluish-green : podeon veiy short : 

 abdomen dark cupreous, depressed above, increasing in breadth 

 from the base to the tip, shorter and narrower than the thorax ; 

 metapodeon of moderate length, varied with green ; octoon and fol- 

 lowing segments short : legs fulvous ; coxae and thighs green ; 

 tips of the latter fulvous: wings limpid; nervures fuscous; ulna 

 rather more than half the length of the humerus ; radius much 

 shorter than the ulna ; cubitus nearly as long as the radius ; stig- 

 ma very small. 



Female ; Abdomen oval, keeled beneath. ' 



Page. 52. Epistenia Feretrius, Walker, MSS. Nigra % anten- 

 nis basi rujis, pedibus rufis, coxis femoribusque nigro cyaneis, 

 tarsis fulvis, alis limpidis. 



Body convex, black, with a very slight metallic tinge, dull, 

 punctured, pubescent : head transverse, short, a little broader than 

 the thorax ; vertex broad ; front abruptly declining, excavated : 

 eyes of moderate size : ocelli 3, disposed in a triangle on the ver- 

 tex : antennae black, subclavate, mutilated ; first joint long, slen- 

 der, red towards the base : thorax oval : prothorax transverse, very 

 short : scutum of the mesothorax large; sutures of the parapsides 

 indistinct ; scutellum large, obconical : metathorax and propodeon 

 very short, almost hidden by the scutellum : podeon extremely 

 short : abdomen subulate, finely punctured, slightly shining, nar- 

 rower than the thorax, and nearly twice its length ; hind-borders of 

 the segments almost smooth ; octoon, ennaton and decaton short ; 

 protelum much longer ; paratelum and telum dart-shaped ; oviduct 

 projecting a little beyond the tip of the latter : legs slender, pubes- 

 cent ; coxae and thighs bluish-black ; trochanters, knees, and tibiae 

 dull-red ; tarsi fulvous : wings limpid ; nervures piceous ; hume- 

 rus nearly twice the length of the ulna; radius rather shorter than 

 the ulna ; cubitus not half the length of the radius ; stigma very 

 small. Length of the body 4J lines ; expansion of the wings 5 

 lines. 



Epistenia Ania, Walker, MSS. Purpurea, antennis nigris 

 basi rufis, coxis , metafemorumque vittis purpureis^ alis 

 subfuscis. 



Female; Body convex, dull, punctured, purple, pubescent, 

 head transverse, short, blue, as broad as the thorax ; vertex broad ; 

 front green, excavated, abruptly declining : antennae black, fili- 



