338 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



Marginal vein punctiform, the stigmal vein long, cnrvecl, the post- 

 marginal vein entirely wanting or punctiform. 



(53) Isodromus Howard. 



14. Marginal and postmarginal veins not very short, the former usually but not 



always a little longer than the stigmal. 



Thorax without a white lunula before the teguhe ; ovipositor not esserted, or 

 if exserted very slender, the sheaths never broad 15 



Thorax (ui</( a white lunula before the teguhe, rarely without; ovipositor 

 strongly exserted, thick and compressed, the sheaths 

 broad; abdomen rather long, as seen from above conic- 

 ovate (54) Cercliysius Westwood. 



15. Frons rather narrow, the eyes large, converging above, the lateral ocelli lying 



close to the eye margin ; abdomen oval or ovate, the ovi- 

 positor not exserted ; thorax not closely or deeply punc- 

 tate; hind wings with the costal cell short and narrow. 



(55) Sceptrophortis Forster. 

 Frons not narrow, the eyes smaller and only slightly converging above, the 



lateral ocelli not close to eye border, distant; scrobes 

 semicircular; abdomen oval, rotund, the ovipositor exser- 

 ted but very slender; thorax short, closely punctured or 

 with large, deep punctures; hind wings with the costal 

 cell broad and extending to the booklets. 



(56) Echthroplexis Forster. 



16. Head with the frons prominent, the face inflexed; antennae frequently strongly 



compressed, dilated; front wings usually fuscous or with 

 fuscous rays, the marginal vein somewhat thick, oblong, 

 very rarelymuch shorter or much longer than the stigmal, 

 the postmarginal usually wanting ; ovipositor not or 



scarcely exserted 2,3 



Head as viewed from the sides, with the frons not prominent; antennae normal 

 or at the most with the scape compressed ; wings hyaline, 

 rarely fuscous or subfuscous, with whitish transverse or 

 hyaline bands, the marginal vein rarely punctiform, but 

 rarely longer than the stigmal vein, the postmarginal vein 

 most frequently developed, rarely wanting or shorter than 

 the marginal or stigmal veins. 

 Marginal vein not short, punctiform but rarely longer than the stigmal, the 

 postmarginal vein most frequently well developed, rarely 

 somewhat shorter than the marginal or stigmal veins . 17 

 Marginal vein very short, punctiform, rarely longer than thick, the stigmal 

 vein from 2^ to 3 times longer than the marginal, the 

 postmarginal vein wanting, or short, only slightly de- 

 veloped, rarely well developed ; scape slender or at most 

 subclavate ; body metallic. 

 Pedicel obconical, much stouter and longer than the first joint of funicle ; 

 sometimes as long as 1-2 united; frons rather narrow, the 

 eyes as seen from in front somewhat convergent above; 

 club of antennae not especially large, shorter than the 

 funicle. 

 Lateral ocelli close to or touching the eye margin; postmarginal 

 vein not or only slightly developed. 

 Eyes bare; postmarginal vein not developed. 



(57) Ooencijrtus Ashmead, new genus. 

 Eyes pubescent; postmarginal vein as long as marginal. 



(60) Ageniaspis Dahlbom (part). 



