OBONTOPOXEKA. PLATYTHYREA. 73 



2. Very similar to the g; the mesothorax and scutellum large, 

 the inetaiiotum short, the node of the pedicel not striate, the 

 abdomen more massive ; ^^•ings brownish hyaline ; ocelli pi'esent, 

 mi mite. 



Only one species of this genus is known. 



90. Odontoponera transversa, Smif// (Ponera), Jow. Lhm. Sue ii 

 (1857), p. 68, ^ ; Forel, Join: Bomb. N. H. Soc. xiii (l!)00), 

 p. :J14, 9 . 



5 . Characters of the genus. Elack, the mandibles, antennse 

 and legs dark castaneous, the mandibles and cl)''peus finely longi- 

 tudinally striate, the anterior margin of the latter denticulate ; the 



Fig. 38. — Odontoponera transrersa, ^. a. Head from front. 



striae on the head outwardly divergent from a medial longi- 

 tudinal line, the sti'iaj on the thorax and node of the pedicel 

 transverse; abdomen smooth but dull, with piligerous points in the 

 smaller form or variety. Head, thorax and abdomen covered 

 with reddish scattered erect hairs ; pubescence yellow, seen only in 

 certain lights, fairly dense on the antennae and legs. 



5 . Legs nnich darker than in the ^ , almost black, apex of 

 the abdomen testaceous brown ; the striae on the head divergent, 

 and on the pro- and mesouotum transverse as in the ^ , on the 

 scutellum they are longitudinal and on the median segment almost 

 effaced in some specimens. 



Length, ^ 9-12; $ 11-13 mm. 



Hah. Spread throughout the Indo-Malayan region. 



This species varies a good deal in colour. I have seen specimens 

 from Singapore of a dark ferruginous red all over, and others from 

 South Tenasserim with the mandibles, legs and a portion of the 

 thorax only of that colour, the rest black. 



Genus PLATYTHYREA. 



Pacliyclioudyla, ])t.. Smith, Cat. vi (,18.j8), p. 108, ^ J. 

 Ponera, pt., Roijer, Bed. ent. Zeit. iv (i860), p. 295, ^ . 

 Platythyrea, Royer, Bert. ent. Zeit. vii (1863), p. 172. 



Type, P. punctata.. Smith, from St. Domingo, America. 

 Banije. Neotropical, African, and Indo-Malayan regions. 



