1944] Genus Pseudomyrma 73 
C. var. subatra. Length 4-4.5 mm.; head shorter than 
in the type; epinotal base shorter; sculpture coarser 
than in the other varieties. Haiti. 
7. Color dark, brown to black group fiebrigi-brunnea. 
A. fiebrigi. Length 3.7-4 mm.; blackish brown to black; 
pronotum bluntly margined. Paraguay. 
B. culmicola. Length 3 mm.; reddish brown, abdomen 
brown; close to the type but with thicker antennae 
and a smaller petiole. Trinidad. 
C. holmgreni. Length 4.2 mm.; testaceous brownish 
yellow, gaster brown. Peru. 
D. euryblemma. Length 5 mm.; pronotum not margi- 
nate; reddish brown. Costa Rica. 
E. peltata. Length 6.8 mm.; ferruginous red; peduncle 
long. This form is transitional to Clavanoda. 
F. brunnea. Length 2.5-3 mm.; head with nearly paral- 
lel sides; color dark brown, gaster blackish. 
G. brunnea var. nigrita var. nov. Head opaque (shiny 
in the type) ; black with white mandibles. 
H. colei sp. nov. Length 4.5 mm.; nearly naked; head 
and prothorax reddish brown, gaster black. Peru. 
I. colei var. vistana var. nov. Head bright reddish, oc- 
ciput dark brown, petiole and gaster dark brown. 
Peru. 
Color lighter, light brown or yellow 8 
8. Petiole in profile very long filiformis and varieties 
A. filiformis type. Length 4-5.5 mm.; head yellowish 
red, gaster brown. Guatemala. PI. Ill, fig. 18. 
B. var. longiceps. Larger than the type; head much 
longer. Colombia. 
Petiole in profile shorter 9 
9. Petiole in profile with a small antero ventral tooth 
decipiens 
A. decipiens type. Length 5-7 mm.; node transitional 
to salvini and gracilis; reddish yellow; base of the 
abdomen banded brown. 
B. var. longior. Length 6.4-6. 7 mm.; head longer than 
in the type; first node higher. 
Petiole without a tooth below. PI. Ill, fig. 14 ...nigrocincta 
A. nigrocincta type. Length 4-4.5 mm.; yellow, with 
fuscous spots on the abdomen. Costa Rica. 
