1919] 



Wheeler: The Genus Metapone 



179 



1. Metapone greeni Forel. 



Forel, Rev. Suisse Zool. 19, 1911, p. 449, PI. 14, s 9 cf and larva; Emery, Ann. 

 Soc. Ent. Belg. 50, 1912, p. 95, Fig. 1, larva. 



(Figs. 1 and 2.) 



Worker. Length 5.9-8.9 mm. 



Head subrectangular, nearly one and one-half times as long as 

 broad, with subparallel sides and moderately concave posterior border. 

 Eyes small, elongate, in the largest individuals with about 15 ommatidia 

 in their longest and about 10 ommatidia in their shortest diam.cter.. 



Fig. 1. Metapone greeni Forel (after Forel). a, worker; b, head of same from above; 

 c. antenna of same; d, scutellum of male from above. 



There are three ocellar pits, but no ocelli in the largest workers. Man- 

 dibles 4-toothed, with large basal lobe. Clypeus large, with subrec- 

 tangular anterior lobe. Scape slightly surpassing the middle transverse 

 diameter of the head, flattened and apically much dilated; funiculus 

 much dilated and flattened at the tip, joints 2-6 at least three times as 

 broad as long, 8 and 9 decidedly broader than long, the apical joint 

 longer than broad and much longer than 8 and 9 together. Thoracic 

 dorsum oblong, scarcely broader in front than behind, somewhat 

 flattened above, submarginate on the sides. Promesonotal suture very 

 indistinct, mesoepinotal suture distinct and impressed. Pro- and 

 mesonotum subequal, each one and one-half times as broad as long, 



