LIOMYRMEX. MOXOMORIUM. 19J) 



formed of the apical three joints, the last joint as long as or longer 

 than the preapieal two joints together ; frontal area, eyes and 

 ocelli entirely absent. Thorax unarmed, broad in front, narrowed 

 posteriorly, the pro-mesonotal suture wanting ; the rneso-inetanotal 

 suture very distinct, the thorax constricted at that point; legs very 

 robust, the femora and tibiae incrassate in the middle. Pedicel : 

 the 1st node transverse, broader than long, briefly petiolate in 

 front, beneath armed (in the Indian species) with a spine pointing 

 forwards ; 2nd node also transverse, armed beneath with a tooth ; 

 abdomen broadly rounded in front, acutely pointed posteriorly. 



229. Liomyrmex aurianns. Emeiy, Ann. Mws. Cu\ Gen. \\vii (J889), 

 p. 304, $. 



. Yellow, smooth, polished and shining all over, the antennae 

 and legs a shade paler than the head and thorax ; the masticatory 

 margin of the mandibles dark brown or black ; pilosity and pubes- 

 cence almost entirely wanting. Head a little longer than broad, 

 the posterior lateral angles rounded, the occipital margin transverse, 



Fig. 74. Lioniyrmex aurianvs, $. 



the cheeks very slightly convex, nearly parallel : mandibles some- 

 what brownish, when closed making the anterior margin of the 

 head transverse. For the rest the characters of the genus. 



Length, $ 3-3 - 5 mm. 



Hah. Recorded so far only from the hills of Tenasseriin (Fed). 



Genus MONOMORIUM. 



Formica, pt., Linn. Syst. Nat. ed. 10, i, 1758, p. 580. 

 Monomorium, Mai/r, Verh. zool.-bot. Ge*. IVu-n, v (1855), p. 452. 

 Myrmica, pt., Smith, Cat. vi (1858), p. 123 (Subdivision 7). 



Type, H. minutum, Mayr, from Europe. 



Range. Both hemispheres. 



$ . Head rectangular ; mandibles narrow, with three or four 

 acute teeth, maxillary and labial palpi alike 2-joinfced ; clypeus 

 subtriangular, arched anteriorly, the anterior margin passing some- 

 what over the closed mandibles, iu the middle with two obtuse 

 converging carinse meeting above between the bases of the antennae; 

 frontal area distinct, antennal carinw short, parallel; antenna 



