cAMroNOTus, :5()1 



feebly carinate, the median lobe is very shortly produced, and its 

 anterior margin is notched in the middle ; the scape of the anteunse 

 is quadrangular and the lateral occipital angles are not so pro- 

 minent. The thorax is comparatiAely short and narrow, the legs 

 long and powerful, the metatarsi depressed and flattened. Node 

 of the pedicel rather small, convex in front, flat posteriorly, its 

 upper margin notched in the middle ; abdomen massive. 



^ miii. Similar, .smaller, more slender; mandibles with 5 teeth ; 

 scape of the anteuiine flattened towards apex ; head narrower ; 

 legs comparatively longer. 



$. Similar to the ^ «if(/. but larger ; the thorax and abdomen 

 not opaque, but distantly punctured and shining ; the mesonotum 



Fig. 114. — C'aiiiponotus mistKra, 2- 



is flat above, and the nietathorax abruptly truncate posteriorly ; 

 wings fulvo-liyaliue, nervures yellow. 



Lem/t7i, ^ maj. 14-16 ; ^ min. 9-10; 5 15-17 mm. 



Hab. Tenasserim (Bingham) ; extending in tlie Malayan sub- 

 region to Borneo {Brit. Jhts.). 



■417. Camponotus siemsseni, Forel, Jahrb. Hambmy. irisse?i. Anstalt, 

 xviii (lUOl), p. 70, ^maj., $: Ann. ^oc. Ent. Bvhje, xivi (1901^, 

 p. 287. 



^ inaj. Resembles somewhat in form the largi^st '^ of C. corn- 

 pirssus, but is more massive, with the head larger, but not quite so 

 large as in C. wistura, Smith. Black, the scape of tlie antennae at 

 bast% the ilagellum and the legs chestnut-i-ed ; head, thorax and 

 abdomen smooth and shining, the head in certain lights very 

 minutely, the thorax more distinctly rugulose, the latter anteriorly 

 somewhat subopaque, the abdomen polished. Filosity vexy sparse, 

 represented by only a few scattered pale hairs ; pubescence very 

 fine and sparse, only to be seen in certain lights, on the antennae 

 and legs it is a little more pronounced. Head very large, larger 

 proj)ortionately than in C. conqn-essus, broader posteriorly than 

 in front, the occiput widely emarginate; mandibles broad, the 



