1985] 
Wilson — Cretaceous and Eocene amber ants 
213 
B 
Fig. 5. Iridomyrmex mapesi, holotype: A, dorsal view of part of head and body; 
B, left side of alitrunk and petiole. 
Protrechina carpenteri, new species 
(Fig. 6) 
Diagnosis {worker). Distinguished from all other known formi- 
cine ants by the characteristics just cited for the genus Protrechina. 
Holotype worker. Head Width 0.23 mm, Scape Length 0.48 
mm, Pronotal Width 0.23 mm. Ocelli absent. Mandibles folded, 
evidently short, and hidden from view. Body surface smooth to 
weakly shagreened, and feebly shining. Upper surface of head and 
