4 PROCEEDINGS OF THE NATIONAL MUSEUM vol. m 



Head: Antenna with flabellum of segment hi reaching about to 

 tip of vi with total length (1.2 mm) almost that of body. Four large 

 ocelli seen on inner rim of eye from dorsal view. Mouthparts with 

 proximal segment of maxillary palpus equal to one-sixth the slender 

 distal one and thin mandibles one-half as long as distal segment of 

 palpus. Palpus and antennal segments iii-vii minutely hairy and 

 covered with small sensoria. 



Metathorax: With well-defined lateral sutures outlining prescutum, 

 which extends beyond anterior tips of the scuti; semi triangular 



Figures 7-13. — Myrmecolax liberiensis, new species: 7, left hindwing; 8, abdominal seg- 

 ment x; 9, body and antenna in dorsal aspect; 10, hindleg; 11, mandible; 12, maxillary 

 palpus; 13, aedeagus, lateral view. (Figs. 11-13 use 0.2 mm scale.) 



scutellum slightly longer than prescutum; postlumbium thin, ovoid; 

 postscutellum about equal to length of anterior metathoracic sclerites. 



Hindwing: With 6 main veins; M x about three-fourths length of M 2 ; 

 between R and M, 2 detached veins with slightly defined furca on 

 anterior one. 



Hindleg: Very thick femur about as long as tapered tibia. Four 

 tarsal subsegments about equal length. 



Aedeagus: Evenly tapered to single apical hook with only slight 

 dorsal projection. 



Abdominal segment x: Somewhat tapered but about as broad as 

 long. 



Female, larva, and host unknown. 



