TETBAMOB1UM. 187 



a long spine on each side, strong, acute, suberect; the 1st joint of 

 the pedicel petiolate, posteriorly formed into a globose node, 

 rugose, reticulate ; 2nd joint transverse, ovate, longitudinally 

 rugose ; abdomen very short, with a few piligerous punctures ; 

 scape and tibiae with long pubescence." (Emery.) 



Length, 3-5 mm. 



Hal}. Ceylon, Kandy (Simon). 



218. Tetramorium yerburyi, For el. 



Tetramorium (Xiphomynnex) pilosum, Emery, race yerburyi, Ford, 

 Rev. Suisse Zool. x (1902), p. 238. 



$ . Head, thorax and pedicel chestnut-red ; abdomen brown, 

 the apical margin of the 1st, and basal and apical margins of the 

 succeeding segments pale dull whitish brown, the thorax anteriorly 

 a little yellowish ; head coarsely striate, slightly reticulate poste- 

 riorly ; thorax and nodes of pedicel coarsely rugose, reticulate ; 

 abdomen smooth, polished and shining ; pilosity pale yellow, 

 rather sparse, except on the scape of the antennae and tibiae of the 

 legs, where it is much more abundant and oblique. Head longer 



Fig. 68. Tetramorium i/erburyi, $ . a. Antenna. 



than broad and a little broader posteriorly than in front, the sides 

 strongly convex, the occiput widely emarginate ; mandibles broad, 

 denticulate, lightly and finely longitudinally striate ; clypeus not 

 very convex, rather flat, the anterior margin in the middle trans- 

 verse, posterior margin well-defined and arched between the bases 

 of the antennae ; antennal carinae produced divergently back nearly 

 to the top of the head and bordering the well-marked antennal 

 furrows ; antennae somewhat thick and long, the scape extending 

 a little beyond the top of the head ; eyes placed about the middle 

 of the sides of the head. Thorax broad anteriorly and convex, 

 narrowing towards the metanotum, not margined in any way; sutures 

 obsolete ; metanotal spines very long, slender, divergent and acute, 

 as long as or longer than half the total length of the thorax. 

 Pedicel elongate ; 1st node longer than broad, with a somewhat 

 long petiole anteriorly, the node itself narrower in front than 

 posteriorly ; 2nd node globose, also narrowed towards the front ; 

 abdomen oval. 



Length, 4-4'5 mm. 



Hob. Ceylon (Yerbury); Kandy, Peradeniya (Green). 



