160 Z. BOUCEK 



furrow of fifth tergite (and sheaths) about twice as long as ungrooved base of 

 tergite ........ micrura Schletterer (p. 204) 



- Hind femur mainly black with dorsal and ventral yellow streaks; ovipositorial 



furrow longer than in alternate . ........ 33 



33 Ovipositor (and its furrow) about five times as long as ungrooved base of fifth 



tergite, distinctly longer than hind tibia; yellow band of fifth tergite in § near 

 hind margin; sides of mesoscutum often without yellow; in <$ first tergite sub- 

 globose, with convex sides, hardly longer than broad . maculata Weld (p. 198) 



- Ovipositor (and its furrow) hardly four times as long as ungrooved part of fifth 



tergite, hardly longer than hind tibia; yellow band of fifth tergite in § removed 

 from apex, intersecting ovipositorial furrow in about its middle ; in £ first tergite 

 conspicuously longer than broad, its sides subparallel . bakeri Crawford (p. 198) 



34 Hind coxa ventro-basally smooth, further on sparsely finely punctured (Text-fig. 



241); hind femur fairly broad, densely punctured; fore tibia flattened, with 

 distinct dorsal carina; Solomon Islands .... niticoxa sp. n. (p. 207) 



- Hind coxa beneath regularly punctured, without smooth area; hind femur more 



slender than above; fore tibia not flattened, its dorsal edge rounded 35 



35 Hind femur very slender (Text-fig. 237); body black with bluish tinge and con- 



trasting lemon-yellow markings; propodeum without distinct median or sub- 

 median ridges; $ unknown ...... sedlaceki sp. n. (p. 206) 



- Hind femur less slender (Text-fig. 239) ; body often extensively reddish, bluish 



tint then confined to black parts; propodeum with distinct median and two 

 submedian keels which are sometimes very high, particularly in $ 



aruina Walker (p. 205) 



36 Hind femur unusually slender (Text-fig. 240); dorsellum flat, shiny, apex excised; 



apex of hind tibia truncate, outer spur conspicuous; body slender, bluish, gaster 

 in middle abruptly inflated, posteriorly in 9 depressed, ovipositor not quite reaching 

 base of fifth tergite ....... antiqua Walker (p. 208) 



- Hind femur much broader; dorsellum otherwise, not shiny; hind tibia apically 



produced into a spine, with rudiment of outer spur on its apex; body often 

 otherwise ............. 37 



37 Mesoscutum dull, deeply regularly punctured, interspaces not confluent into 



transverse rugae; wings often paler-coloured or, if blackish, then at least face 



with thick silvery pubescence; body often with rich pale markings ... 38 



- Mesoscutum more or less shiny (exception : funerea) , with puncturation often rather 



shallow and with interspaces always raised into distinct cross-rugae; fore wing 

 more or less blackish, often with violaceous tint; body often black or with poor 

 markings ............. 46 



38 Discal carina of pronotum, as well as premarginal carina, regularly slightly arched, 



space in front and behind carina about at same level ; northerly and Palaearctic cf . 20 



- Discal (as well as premarginal) carina medially subangulately raised, forming top of a 



slope declining forward whilst space behind carina is low, nearly hollow in side 



view (Text-fig. 206) ........... 39 



39 West Palaearctic; hind femur yellow except dorso-basally; ovipositor short, not 



reaching base of fifth tergite; in £ gaster strongly clavate (Text-fig. 169), narrow 

 basal part less than half as broad as apex . . brevicauda Fabricius (p. 141) 



- Otherwise; hind femur, if extensively yellow, not dark dorso-basally; ovipositor 



always longer and in $ gaster less narrowed basally ..... 40 



40 Westerly (to India) ; wings pale yellowish, body with rich yellow pattern: pronotum, 



scutellum, hind femur and first tergite mainly yellow; ovipositor not reaching 

 middle of first tergite on which ovipositorial furrow does not reach base; hind 

 femur very coarsely and in $ densely punctured (Text-fig. 130) . elegans Klug (p. 114) 



- Oriental, i.e. Indian and more easterly species; wings and colour otherwise; ovi- 



