290 m i.LF.Tix: museum of comi>ah.\tive zoology. 



15. E UPON ERA (Mesoponera) papuana Viehmeyer. 



Zool. jahr., 1914, 37, p. 608, ^ . 



]]'ork(r. Lengtli ().o-8 mm. 



Head one and three fourth times longer than broad, as broad in front as 

 behind; sides subparallel; occipital angles narrowly rounded, the border 

 feebly concave. Clypeus very broadly and prominently carinate, the anterior 

 border angulate at middle. Mandibles long and slender, with eleven stout 

 teeth. Frontal carinae very short; their lobes little dilated and flat; the 

 narrow frontal depression extending less than half the distance to occipital 

 border. Antennae long and slender; scapes surpassing occipital corners by a 

 distance equal to twice their breadth at apex; first and second funicular joints 

 subequal, three times longer than broad; third joint shorter than second and 

 proportionally broader, joints 4-10 longer than broad, subequal in length but 

 increasing in thickness toward apex; terminal joint barely as long as the two 

 preceding joints together. Eyes small, very fiat, situated in front of sides of 

 head at a distance of three times their diameter from base of mandibles. Pro- 

 thorax convex, a little broader than long, narrowly rounded at front and sides; 



Fig. 8. — Euponera (Mesoponera^ papuana Viehmeyer. Worker. Lateral view of thorax 

 and petiole. 



anteroventral corners broadly rounded. Premesonotal suture strongly, but 

 less profoundly impressed than the mesocpinotal. Epinotum in profile as 

 long as prothorax, depressed at middle, with a narrow, transverse impression 

 slightly posterior to spiracles; angle between base and declivity broadly 

 rounded and strongly longitudinally impressed at middle, the sides standing 

 out as rounded margins; declivity flat. Petiole squamiform, twice as high as 

 long, narrowly rounded above; anterior surface convex, posterior flat; sub- 

 marginatc above and at sides of posterior border. Gaster long and slender. 

 Legs very long and slender. Sting slender. 



Sublucid. Head, body, mandibles, antennae, and legs finely, reticulately 

 punctate and microscopically pubescent; the punctation and pubescence of 



