1947] 
Cerceridoe 
MALES 
1. Hind femora pale on base, with a large dark mark 
near tip ; elypeus truncate below 2 
Hind femora all dark, all pale, or pale on apical 
part 8 
2. Yellow bands on abdomen so broad on sides as to 
leave only a median triangular dark spot in front; 
elypeus with three teeth below; pygidium partly 
yellow ; hair-lobes little more than twice their 
breadth apart, venter with complete yellow bands 3 
Yellow bands on abdomen not so much broadened 
on sides, always some black laterally; pygidium 
black 5 
3. Yellow bands on abdomen deeply indented with black 
in front ; hair on propodeum moderately long ; hair- 
lobes not as broad as clypeal truncation sextoicles 
Yellow bands on abdomen scarcely indented with 
rufous, wide throughout ; hair on propodeum very 
long; hair-lobes about as broad as clypeal trunca- 
tion 4 
4. First segment black, pale on sides ; head without 
rufous ; bands on abdomen broad, scarcely in- 
dented; enclosure obliquely longitudinally striate; 
teeth of elypeus small eurymele 
First segment rufous, bands sometimes indented with 
rufous ; back of head with some rufous ; enclosure 
obliquely striate on sides, behind with short cross 
striae crossing the median groove ; teeth of elypeus 
large nasicci 
5. Hair-lobes not twice their breadth apart 6 
Hair-lobes about three times their breadth apart ... 25 
6. Hair on face (from side) very long; clypeal margin 
evenly truncate below, no teeth; pygidium plainly 
narrowed toward base .2 varians 
Hair on face very short; clypeal margin with three 
teeth below; pygidium not narrowed toward base; 
first segment broader than long 7 
7. Enclosure strongly longitudinally striate ; second 
segment band scarcely broader than others; face 
plainly narrowed above cequalis 
