MANN: ANTS OF THE FIJI ISLANDS. 



447 



third, slender above. Peduncle of petiole from above three times as long as 

 broad, rather strongly margined at sides, the margin roundedly elevated at 

 middle; node elongate oval, nearly twice as long as broad; in profile, much 

 longer than high, with the rather straight dorsal surface elevated behind, and 

 longer than the anterior and a Uttle shorter than the posterior surface. Post- 

 petiole in profile longer than high; from above, about as long as broad, with 

 convex sides, twice as broad at posterior border as in front. Gaster egg- 

 shaped. Sting strong. Legs long and rather stout. 



Fig. 16.- 

 view. 



Poecilomyrma senirewae Mann. Worker, a. Front view of head. b. Lateral 



Shining. Mandibles coarsely striate and with scattered punctures. Cly- 

 peus with nine strong striae at middle. Head, thorax, epinotum (except tip 

 of basal portion and the declivity) with verj- coarse, tortuous, irregularly 

 reticulate costae. Postpetiole smooth above, with one or two punctures at 

 the sides and basaUy with finer costae. Gaster with ver\ regular and distinct 

 pihgerous punctures and a few broad and shallow punctures. 



\Miite, erect hairs abundant, on head, thorax, petiole, and postpetiole, 

 longer and more regularly distributed on gaster, shorter on appendages. 



Color rich reddish brown, mandibles, antennae, and legs darker, gaster 

 black. 



