REVISION OF LEUCOSPIDAE 203 



and shorter straight posterior band, sides of mesoscutum, apex of scutellum, metapleurum, 

 broad band on fourth tergite and strongly curved band on either side posteriorly from ovi- 

 positorial furrow to middle of lateral margin of fifth tergite, broad streak dorsally and short 

 one ventrally on hind coxa, hind femur ventro-basally and dorsally (except base), all knees, 

 tibiae and tarsi but fore and hind tibia infuscate ventrally. Wings subinfumate, fore wing 

 infuscate anteriorly beyond stigmal vein and in apical fifth. 



Head distinctly broader than pronotum, dorsally i-q times as broad as long, with distinct 

 slightly rounded temples but low frontal protuberances. Occipital carina arched, not high, 

 disappearing laterad of ocelli; vertex very coarsely punctured; ocellar triangle not raised, 

 about 2-3 : 1; POL : OOL as 12-0 : 5-5; median ocellus nearly one-third its diameter from 

 carinate scrobes. Head in facial view 1-32 times as broad as high; face rather flat, densely 

 punctured-rugulose, pubescence moderately dense and long (longer semi-erect hairs numerous), 

 rather long also on eyes; interantennal space with blunt median keel; lower margin of clypeus 

 barely produced, median tooth broad, lateral lobes short. Relative measurements: width of 

 head 53-5, frontovertex 28, scrobes 17 -5, lower face 22-3, its height 19, eye 30-5 : 23-0 strongly 

 converging malar space 6, width of mouth about 19, scape 13; flagellum plus pedicellus about 

 1-05 times as long as breadth of head. Scapus about 2-4 times as long as broad, broadest 

 at two-fifths; flagellum broad, distinctly attenuate basad; pedicellus slightly elongate, shorter 

 than first flagellar segment which is distinctly elongate; penultimate segments slightly trans- 

 verse. 



Thorax: pubescence conspicuous though short; puncturation dense, rather regular, dots 

 largest (with flat bottoms) on scutellum and then on disc of mesoscutum, interstices very 

 narrow. Pronotum: hind margin neatly straight, sides barely converging; premarginal carina 

 distinct, sharp, but hind margin not distinctly carinate, discal carina absent; surface nearly 

 plain sublaterally, in anterior yellow band hardly raised; sides bluntly edged, lateral panel 

 shallowly concave, lower corner broadly rounded. Mesoscutum distinctly transverse, weakly 

 regularly convex; notaular furrows not traceable; parapsidal furrows shorter than their distance 

 from obtuse lateral corners. Scutellum 1 -20-1 -26 times as broad as long, fairly convex, hind 

 margin behind yellow band distinctly depressed. Disc of dorsellum rugulose, separated from 

 laminate margin by broad furrow subdivided in alveolae. Propodeum convex and regularly 

 punctured, sparsely hairy ; median carina longer than its distance from plica posteriorly. Upper 

 mesopleurum and metapleurum nearly regularly densely coarsely punctured. Fore tibia 

 dorsally with distinct though blunt carina. Hind leg rather short (Text-fig. 235), coxa in 

 depression posteriorly extensively smooth, the area subdivided in middle by some punctures. 

 Hind femur externally very densely punctured, punctures partly confluent, separated by short 

 longitudinal rugae; basal tooth broad and short, median teeth irregular. Hind tibia: externo- 

 ventral carina not quite reaching apex, outer spur as long as half breadth of tibia. 



Gaster short, distinctly petiolate, similar to that of L. pyriformis (Weld) (Text-fig. 234). 

 First tergite slightly elongate, about 0-4 times as broad as body of gaster, convex, dorsally 

 very densely punctured except for hind margin and base; basal fovea vague. Second tergite 

 concealed, third visible only laterally (epipleurum), fourth tergite less than one-third as long as 

 the first, hind margin dorsally straight but laterally obliquely extending caudad. Fifth tergite 

 broadly globose (hence the specific name), slightly longer than broad, dorsally with dense 

 umbilicate punctures of unequal size and short hairs; ovipositorial furrow confined to its 

 subvertical posterior slope, tergite at top of furrow slightly swollen. Sixth tergite and epi- 

 pygium visible only laterally. Ovipositor sheaths hardly half as long as hind tibia. 



(J. Unknown. 



Biology. Probably a parasite of a solitary Vespid. 



Holotype $, West Malaysia: Kuala Langat, Tumbok Estate, v. 1917, reared 

 from a mud cell (attached) of a ?wasp (BMNH). 



Paratypes. 1 $ same data as holotype (BMNH). North Borneo: Forest 

 Camp 19 km N. of Kalabakan, 30.x. 1962, 1 9 (Y. Hirashima) (BBM, Honolulu). 



