H ET E liOG Y N A — M Y KM ICI D^E. 101 



First joint of petiole not cubical, narrowed and cylindrical at liasc, nodi- 

 form at apex 6. 



6. — Antennfe 11-jointed. club very large, S-jointed ; clypeus witli two longitu- 

 dinal carina*: mctathorax nnarmed; one complete subniarginal and one 



discoidal cells, marginal cell ()i)en at apex ^ioleiiopsi!^ Westw. 



Antennse 11-12-jointed, with the club more than 2-jointed, or without dis- 

 tinct club 7. 



7. — First submarginal cell divided by an ab1)reviated longitudinal nervure: 

 frontal area acute at base : tibial si)urs pectinate : wings with one com- 

 plete submarginal cell i^I.> riiii<'a Latr. 



First submarginal cell not divided 8. 



H. — Mandibles broad, their apical margin acute, without teeth, or with only two 

 teeth anteriorly; frontal groove extending as far as the occiput; an- 

 tenna? 12-.iointed, with the 3-jointed club longer than half of fiinicle ; 

 thorax bro;id, depressed above; metathoi'ax bidentate ; second joint of 

 petiole transverse, subtuberculate laterally; maxillary and labial palpi 



2-jointed Plieirtole Westw. 



Mandibles broad, triangular, their anterior margin pluridentate 9. 



9. — Last three joints of funicle together distinctly shorter than the preceding 



joints combined 10. 



Last three joints of funicle together as long or longer than the preceding 



joints combined 11. 



10.— Fi'ontal area distinctly impressed, obtusely rounded above ; antennae. 12- 

 jointed, without distinct club; maxillary palpi 4-jointed, labial palpi 

 3-jointed. 

 Marginal cell incomi)lete, two complete submarginal cells. 



Apliiciiosscaster Mayr. 

 Marginal cell complete, one (or two?) complete submarginal cells. 



Po$;onoin.yi*iuex Mayr. 



Frontal area indistinct or wanting; anteniuv 11-12-jointed, with a distinct 



3-jointed club; maxillary ])alpi 5-jointed, labial palpi 3-jointed; one 



complete submarginal and one discoidal cells, marginal cell very short, 



rounded apically Ijeptotliorax Mayr. 



11. — Lateral basal nrargin of clypeus distorted or elevated between frontal carina? 

 and insertion of mandibles, forming a projecting ridge ; second node of 

 l)etiole strongly transverse, almost twice as broad as long; metathorax 

 bidentate ; antennfe 12-jointed, club distinct, a})ical joint as long as the 

 two preceding united ; maxillary palpi (i-jointed, labial palpi 3-jointed. 



Tcf raiiioriiiiii .Mayr. 

 Lateral basal margin of clypeus not distorted or elevated ; second joint of 

 jietiole not twice as long as broad. 

 Metathorax entirely unarmed; antennse 11-12-jointed, with a distinct 3- 

 jointed club; clyiteus viewed laterally protuberant, overhanging the 

 base of mandibles; thorax narrow, elongate, rather higher than broad; 

 one com])lete submarginal cell, uo discoidal ; maxillary and laliial i)alpi 



2-jointed. iVl4»ilOinoriiiiU Mayr. 



Metatiiorax armed with two short, triangular, acute teetli ; antenna' 12- 

 jointed, funicle gradually thickened from base to apex, not forming a 

 distinct club; frontal area narrow, elongate, forming an obtuse angle 

 with clyi)eus, which has two longitudinal median carinie ; one long com- 



