MONOMOKIUM. 209 



flagellum massive ; eyes placed well below the middle of the sides 

 o£ the liead. Thorax somewhat short, the pro-mesouotum gently 

 convex ; the thorax seen in profile deeply eiuargiiiate at the meso- 

 metanotal suture : the hasal portion of the metauotum rectangular, 

 longer than broad. Pedicel : tiie 1st node squamiform, anteriorly 

 petiolate ; 2nd node from above almost circular, smoothly rounded, 

 a little broader in front than posteriorly; abdomen more than 

 twice as long as broad, snbtruncate anteriorly. 



Length, ^ 2"2-2*5 mm. 



Hah. Recorded from the North-west Himalayas, Dharmsala 

 {Sage). 



242. Monomorium destructor, Jerd. (Atta) Madr. Jour. L. S. xvii 

 (1851), p. 10.3. ^. 

 Myrmica vastator, SinifJi, Jour. Linn. Sac. ii (1857), p. 71, g. 

 Monomorium basale, Mayr, Novara Reise, Formicid. (1865), p. 92. 



^ . Head, thorax, pedicel and base of abdomen I'eddish yellow, 

 apical three-fourths of abdomen from bright chestnut-brown to 

 dark brown, nearly black ; entirely smooth and shining, with a few 

 very fine, scattered, shallow punctures, the metanotum delicately 

 rugulose, subopaque ; pilosity entirely wanting. Head rectangular, 

 longer than broad, convex in front, posteriorly slightly emarginate ; 

 mandibles narrow, broadening slightly towax'ds the masticatory 

 margin, armed with 4 small teeth, the apical longest and acute ; 

 clypeus arched anteriorly, the carinse obtuse ; antennae moderately 

 long, the scape just reaching the top of the head ; eyes moderatelj- 

 large, placed on the sides of the head just below the middle. 

 Thorax elongate, anteriorly as broad as the back of the head, the 

 pro-mesonotum convex ; meso-metanotal suture deeply impressed, 

 but the emai'gination of the thorax at the suture slight ; basal 

 portion of metanotum narrow, passing by a somewhat rounded 

 curve into the apical portion. Pedicel elongate : the 1st node 

 squamiform, anteriorly petiolate, above with a moderately sharp 

 but rounded margin : 2nd node seen from abo^e globose, but a 

 little broader than long, not so high as the 1st node ; abdomen 

 oval. 



$ . Eesembles the ^ in colour, but the abdomen has the apical 

 margins of all the segments (the terminal excepted) as well as the 

 basal margins yellow. Head proportionately shorter and rounder 

 than in the ^ , ocelli present. Thorax elongate, tlie mesonotum 

 very convex ; the metanotum long, gently sloped to the apex and 

 rounded. Pedicel as in the g , but the 1st node thicker and 

 above rounder ; abdomen enormously long and massive, longer 

 than the head and thorax united. Wings hyaline, nervures 

 yellow. 



S . Eesembles the 5 iii colour. Head very small, rounded 

 above ; eyes and ocelli large and prominent ; antenna? filiform, 

 with the scape very short, not longer than the 2nd joint of the 

 flagellum. Thorax short and massive, proportionately deeper than 

 in the $ , the mesonotum and scutellum very convex and gibbous : 



YOL. II. P 



