408 



roHMiciD-i:. 



489. Polyrhachis COnvexa, lioc/er, Berl. ent. Zeif. vii (18(53), 

 p. 15;3, ^ ; Ford, Jour. Hovib. N. H. Soc. viii (1893), p. 19, ^ . 



^ . Black, very finely rugulose, and covered with a very fine 

 short, recumbent glistening grey pile. Head short, as broad 

 posteriorly as in front, the cheeks very slightly convex, the eyes 

 prominent ; clypeus tectit'orm, rounded anteriorly ; antennal 

 carinju divergent towards the vertex. Thorax, seen from the side, 

 strongly arched, the pro-, meso- and basal portion of metanotnui 

 all broader than they are long ; apical portion of metanotum 

 deeply concave ; pronotal spines short, acute, directed divergently 

 forward ; basal portion of metanotum bounded posteriorly by a 



Fig. 1-tl. — Po///r/ir(cJii.< coiivc.va, ^. 



slight carina between two short erect points at its lateral posterior 

 angles ; legs moderately long, devoid ot" spines or erect hairs. 

 Node of pedicel broad, biconvex, armed with four short subequal 

 spines placed about equidistant from each other ; abdomen short, 

 globose. 



Lengtli, ^ 5-o-G mm. 



Hah. Ceylon : Kandy, Jaffna (Green), Colombo {Binfjham). 



490. Polyrhachis seleiie, Einen/, Ann. Mns. Civ. Gen. xxvii (1889), 

 p. ■)18. 2 , pi. 1 1, tio-s. 18 cl- 19 ; Ford. Join: Bomb. N. H. Soc. 

 viii (1893), p. 18, ^ . 



^ . Black, opaque ; head and thorax finely, abdomen minutely 

 and more finely rugulose, covered with a very short black erect 



pubescence. Head short, broad, con- 

 vex, the occiput broad, almost flat, 

 the posterior lateral angles well- 

 marked, cheeks convex ; clypeus con- 

 vex, with a medial vertical carina, its 

 anterior margin strongly arched and 

 rounded; antennal carina' not promi- 

 nent, very wide apart. Tliorax verv 

 bread; pronotum much broader than 

 long, anteriorly transverse ; lateral 

 anterior angles pointed, but without 

 spines ; mesonotum flat, transversely oval ; pro-mesonotal suture 

 distinct ; meso-metanotal suture impressed, very distinct ; basal 



Fig. 142. — I'ol//rhadii.<i s^dcnc, ^' , 



