RECLASSIFICATION OF MICROGASTERINI 15 



8 Scutellum bordered behind by a continuous polished band that medially is not always 



differentiated from an equally polished scutellar disc ; if, rarely, this band is 

 interrupted at middle, then this is not caused by rugosity . . . . . 14 



- Scutellum without a continuous, polished band behind, the band being interrupted at 



middle by a rugose area that may or may not be separated from an equally rugose 

 scutellar disc by a short, transverse lip or keel ; if the posterior band is hardly 

 interrupted at middle (some species of Microplitis), then a sternaulus is present or 

 there is at least an indication of notaulices ....... 9 



9 Hind coxa small, not or hardly longer than tergite 1 ; inner spur of the hind tibia 



never reaching beyond the middle of the hind basitarsus ; 1st abscissa of the dis- 

 coideus always much shorter than the 2nd, at most about half as long ; metacarp 

 (except in A lloplitis) always short, rarely as much as one and a half times longer than 

 its distance from the apex of the radial cell ....... 10 



- Hind coxa large, conspicuously longer than tergite 1 ; inner spur of the hind tibia 



long, always reaching beyond the middle of the hind basitarsus (except in the 

 reales-group of Protomicroplitis but this group has the metacarp extending almost 

 to the apex of the radial cell) ; 1st abscissa of the discoideus distinctly more than 

 half as long as the 2nd, usually about as long as this (except in Buluka) ; metacarp 

 rarely as short as twice its distance from the apex of the radial cell (periander- 

 group of Protomicroplitis but this group has the propodeum flattened and polished, 

 a condition never found in the Microplilis-group of genera) .... 13 



10 Scutellum in the form of a large cone, directed backwards (Text-fig. 234). Philippines 



PHILOPLITIS gen n (p. 267) 



- Scutellum never with such a cone, though it may often show heavy, sometimes 



bizarre, sculpture ........... 11 



11 Propodeum of highly exaggerated form, having, in profile, two faces that, at least in 



the type-species, meet at an angle of distinctly less than 90 degrees ; hind tibia 

 blackish to black ; middle lobe of the mesoscutum separated from the lateral lobes 

 by very deep notaulices (except in radicalis but this species has flattened flagellar 

 segments) ; middle lobe of the mesoscutum raised above the level of the lateral 

 lobes, shield-shaped and narrowed behind to the thinness of a keel that divides the 

 deep notaulic troughs ; flagellar segments strongly compressed, flattened and of very 

 exaggerated form, as in the type-species - vollenhovenii - or simple, as in philippin- 

 ensis but this last has the exaggerated thoracic structure of the genus. 



SNELLENIUS YYestwood (p. 270) 



- Propodeum lacking this exaggerated form and without an angularly separated dorsal 



and posterior face ; middle lobe of the mesoscutum not thus raised above the 

 lateral lobes nor in the form a shield with posterior keel ; if the thorax shows 

 something of the exaggerated structure of Snellenins and the notaulices are much 

 deepened, then the hind tibia is banded with white or otherwise pale-marked . 12 



12 Tergite (2 -f- 3) divided into its two component parts, tergite 2 being in the form of a 



transverse rectangle that is everwhere densely, evenly rugose, shows no trace of a 

 differentiated median field and is at least slightly longer than tergite 3 ; propodeum 

 without dense, coarse reticulation and its spiracle enclosed by strongly raised 

 keels. Philippines ALLOPLITIS gen. n. (p. 268) 



- Tergite (2 + 3) not thus sharply or not at all divided into its two component parts ; 



tergite 2 never of this form though sometimes with lateral rugosity ; usually with 

 indication of a raised, or otherwise differentiated, median field ; in any case, never 

 longer than tergite 3 ; frequently there is hardly a trace of a suture marking the 

 separation of tergites 2 and 3. 



Propodeum almost always with coarse rugosity ; wings (Text-fig. 342). Old 

 and New World MICROPLITIS Forster 



