History
1'. Occipital carina dorsally present and usually co...
4'. Malar space ≤ 0.8x as long as basal width of man...
5'. Mouthparts not or only slightly lengthened, glos...
6. Hind wing with vein 1/Cu at most 0.6x as long as ...
7'. Fore wing with vein Rs centrally almos...
1'. Occipital carina dorsally present and usually co...
4'. Malar space ≤ 0.8x as long as basal width of man...
5'. Mouthparts not or only slightly lengthened, glos...
6. Hind wing with vein 1/Cu at most 0.6x as long as ...
7'. Fore wing with vein Rs centrally almos...
8. Propodeum in lateral profile greatly enlarged; metapleuron short and deep. T2 in lateral profile long, generally longer than T3, and with laterotergite pendant. Mouthparts not particularly long, usually more or less concealed (New World).
8’. Propodeum in lateral profile not enlarged; metapleuron longer than high. T2 in lateral profile much shorter than T3, and with laterotergite folded under. Maxillae and labium elongate, projecting ventrally by distance about equal to length of supraclypeal area (southwestern USA to southern Brazil).
