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36. (23) Fourth joint of front tarsi small and short, not differ- 

 ing much from the third, and articulated far from 

 the true apex of the fifth, so that the latter is almost 

 normal being only slightly produced beneath in 

 front of its articulation with the fourth. 



37- (38) Maxillary palpi 4-jointed, labial palpi 2-jointed, man- 



dibles 3-dentate (sec. Ashmead Mon. Proct.) 



Aiuteon Jitr. 



38- {37) Maxillary palpi 6-jointed, labial palpi 3-jointed, man- 



dibles 4-dentate. 

 39 (40) Antennal joints widening more or less towards the 

 apex of the antennae; propodeum bounded by a 

 raised line at the truncature and with a definite 

 median area on its posterior face Prosanteon. 



40- (39) Antennae simply filiform, not at all widening towards 

 apex; propodeum without the above characters. . . . 

 .Paranteon. 



41. (i) Tarsi of front legs simple, not chelate. 



42. (43) Apterous; maxillary palpi 4-jointed (sec. Ashmead 



Mon. Proct.) Mystrophorus Forst. 



.43. (42) Winged; maxillary palpi 5-jointed (sec. Ashmead 

 Mon. Proct.) . . .'. Apheloptis Dalm 



Males. 



1. (14) Stigma not large and ovate or subovate, but narrow 



lanceolate; mandibles with three teeth. 



2. (5) Maxillary palpi very short and inconspicuous, labial 



palpi two-jointed. 



3. (4) Antennae sometimes long, but never extremely thin 



and filiform; the head not incrassate 



Gofiafopiis (and most of the allied genera). 



4. (3) Antennae extremely thin and long, the head incras- 



sate Echthrodelphax. 



5. (2) Maxillary palpi long and conspicuous, reaching at least 



to the posterior margin of the head, if laid straight 

 back; labial palpi three-jointed. 



6. (9) Ocelli in a slightly curved line on the vertex, the front 



ocellus, at most, a very little in front of the posterior 

 pair. 



