1944] 
3. 
Genus Pseudomyrma 67 
Guatemala. (Differs from the related form antiguana by 
the shorter peduncle.) stolli 
Mesepinotal suture impressed 3 
With a small antero-ventral tooth on the petiole. PL III, 
fig. 8 group dolichopsis 
A. Larger forms, 4.3-5 mm.: 
I. dolichopsis. The node in the typical form is very 
broad and convex on the sides. Colombia. 
II. var. curaccensis. Length 4.3-5 mm.; color testa- 
ceous; brown in the type. Curasao. 
III. var. implicata. Length 4.3 mm.; head narrower 
than in the type; erect hairs absent on the femora. 
Amazonas. 
B. Smaller forms: Length 3. 6-3. 9 mm.; scapes longer 
than in dolichopsis; reddish yellow or brownish. 
Guatemala peperi 
With larger antero ventral tooth and with a postero ventral 
tooth; the two teeth connected by a lamina. PI. Ill, fig. 4. 
group championi-denticollis 
A. denticollis , type and varieties; length 5-7 mm.; uni- 
colored or not. 
I. denticollis type. Length 6-7 mm.; reddish; Pa- 
raguay. PL III, fig. 5. 
II. var. injuscata. Length 5-6.2 mm.; head brown, 
gaster testaceous, sometimes the whole body 
brown. Sao Paulo, Brazil. 
B. goeldii. Length 3. 2-3. 5 mm.; pronotum red, rest 
black. Sao Paulo. 
C. rochai. Length 4-4.7 mm.; head bright red, rest of 
the body black. 
D. championi and subspecies. PL III, fig. 4. Length 
4. 5-5. 5 mm.; antero ventral tooth strong and curved 
backward. 
I. championi type. Thorax and petiole red, rest 
blackish brown; length 4.7 mm. 
II. var. haytiana. Same color as the type, but the 
antennae are bright yellow; postpetiole and gas- 
ter with reddish spots. 
III. subsp. haytiana var. affinis. Head black, epi- 
notum with a black streak in the center; pedicel 
and gaster brown. 
