86 Z. BOUCEK 



the fifth but shorter than the sixth which has raised, expanding hind margin, but not distinct 

 auricles laterally. Epipygium convex, very densely punctured, with dense dark hairs, 

 appearing nearly bisegmented as the basal part has higher hind margin than base of apical 

 half; latter posteriorly narrowly rounded ; no longitudindal keels. Last two sternites shallowly 

 depressed, last one apically narrowly rounded, each about as long as broad; preceding sternites 

 convex, basad increasingly transverse, more and more coarsely punctured. 



Biology. Host unknown. 



Distribution. Colombia, Surinam, Brazil. 



Material examined. 



Type data given in synonymy. 



Colombia: Dep. Meta, Restrepo, 500 m, 26.viii.1936, 1 $ (J. Bequaert) (MCZ, 

 Cambridge). Surinam: Republiek, S. of Paramaribo, x-xi.1968, Malaise trap, 

 3$ {D. C. Geijskes) (RNH, Leiden and BMNH). 



Leucospis nigripyga sp. n. 



(Text -fig. 96) 



9. 7 -8-8 -5 mm. Black with faint metallic tint, mostly bluish or greenish on thorax and 

 gaster but more cupreous on head, axillae, partly on mesopleurum and epipygium; yellow are: 

 scape beneath, antero-lateral corner and a line posteriorly on pronotum, narrow hind margin of 

 mesoscutum, fore and mid knees above, narrow line anteriorly on fore tibia and along ventral 

 margin of hind femur; testaceous to dark reddish are: base of antenna, sides and hind margin of 

 pronotum, tegulae, thoracic pleurum narrowly below tegula and above hind coxa, dorsellum, 

 sides of propodeum, all coxae at least above (in holotype legs more extensively reddish) ; 

 hypopygium and lower margins of fifth tergite pale brown. Fore wing blackish brown along 

 anterior margin, infuscate along cubital vein, but otherwise only weakly infumate. 



Head narrower than mesoscutum (58 : 64 in holotype), dorsally about 2-5 times as broad as 

 long; occipital carina nearly half diameter behind lateral ocelli, sharp, running down the 

 temples till below centre of eyes. POL : OOL as 11 : 8; ocellar triangle about 2-4 : 1 ; vertex 

 moderately coarsely punctured, upper carinate margin of scrobes nearly one diameter from 

 median ocellus, sharp even at moderate frontal protuberances; these appearing subrectangular 

 in dorsal view. Head in facial view 1-16 times as broad as high; face rugulose-punctured, 

 slightly shiny, narrow interstices smooth; lower face with scattered coarser punctures bearing 

 longer hairs than the dense, subdecumbent, very short white pilosity; interantennal area 

 slightly convex, with weak median carina. Relative measurements: height of head 50, width 

 of frontovertex 32, of scrobes 18-5, lower face breadth 29, its height 24, eye 32 : 21, malar 

 space 13, width of mouth 19. Clypeus i-i times as high as broad; lower margin broadly 

 bilobed, without tubercle in median depression. Scapus fully 2-5 times as long as broad, inner 

 ventral lamina apically moderately high. Flagellum plus pedicellus combined nearly 1*2 times 

 as long as breadth of head (68 : 58, i.e. index 1-17 in holotype), hardly thickened distally, basal 

 flagellar segments slightly oblong, seventh and eighth subquadrate. 



Puncturation on thorax moderately coarse (coarsest on scutellum) , interspaces often broader 

 than half diameter of puncture, microscopically transversely reticulate, slightly dull ; premarginal 

 carina indicated by slightly raised impunctate line; hind margin not carinate; sides in dorsal 

 view slightly concave, distinctly converging towards head ; middle of pronotum convex ; lateral 

 panel rather thickly hairy below the impunctate depression, lower corner slightly less than 

 90 degrees, narrowly rounded. Mesoscutum posteriorly not depressed; vestige of parapsidal 

 furrow deep, about as long as distance from outer margin of sclerite. Scutellum about 1-33 



