ACANTHOLEPIS. — PLAfilOLEPlSf. li !<> 



base c'Overins; the 1st and anterior ])ortion of tlie 2ncl segment ; 

 scijl|)ture as in A.opaca; pilosity and pubescence entirely wanting. 

 Head ronnder, more convex in front, the occiput arched, not 

 transverse. Thorax and abdomen as in A. opaca. 



Length, ^ 2'5-3 mm. 



Hah. Western India, Poona {Wvoughton). 



360. Acantholepis fergusoni, Forel.Jour. Bomh.N.H.Soc.ix{\^dri) 

 p. 459, ^. 



^ . Head and abdomen reddish bro\v]i; the mandibles, clypeus. 

 thorax, node of the pedicel, the base of the Ist abdominal segment 

 broadly and a nari'ow transverse line at the base of the 3rd seg- 

 ment, yellow : antenna? and legs pale brown. Head without the 

 mandibles about as broad as long, lightly convex in front ; the 

 occiput ti'ans\erse, densely and \ery finely punctured, opaque ; 

 mandibles narrow, curved, armed with 4 teeth ; ciypeus convex; 

 aut-nnal cariuae short, widely separated, slightly divergent 

 posteriorly. Thorax : the pronotum from above circular, rather 

 flat, the mesonotum depressed, the thorax deeply emarginate 

 behind the mesonotum : metanotum short, the basal portioti from 

 above crescentic, the two horns of the crescent formed bv thick 

 curved teeth or tubercles. Node of the pedicel emarginate above .- 

 abdomen comparatively massive and broad. 



Length, ^ 3-3*5 mm. 



Hab. Travancore, Southern India (Fcrr/iison). 



Genus PLAGIOLEPIS. 



Formica, pt., Latr. Fss. Hint. Fuimn. Fr. l/OiS, p. 4.'5. 

 Plagiulepis, Mayr, Eur. Form. LsGl, p. 42, ^ $ c?. 



Type, F. pygmcBa, Latr., from Europe. 



liange. Botti hemispheres. 



g . Mandibles somewhat narrow, masticatory margin oblique 

 with 5 teeth, the apical tooth long and acute; ciypeus com- 

 paratively large, convex, carinate, lozenge-shaped, its anterior 

 margin arched and partially covering the mandibles ; antennal 

 carinae short, rather wide apart, parallel; antenme 1 1 -jointed ; 

 frontal area ill-deliued. Thorax very slightly constricted between 

 the meso- and nietanotum, in some species a little saddle-shaped; 

 legs long and slender. Node of pedicel variable, in some species 

 acute, above Hat, in others thick and rounded above ; in all inclined 

 to the front. Abdomen massive. 



$ . Head and node of pedicel as in the g ; ciypeus not carinate. 

 Thorax depressed, rather broader proportionately than in the ^ . 

 Wings with one cuoital and no discoidal cell. 



cS . Mandibles triangular ; ciypeus, antennae and node of the 

 pedicel as in the ^ . Head very small ; frontal area sharply 

 defined, broad transversely, tilling the space between the antennal 

 carinsu ; antenna) 12-iointed. 'i'horax somewhat depressed and 

 Hat above; the pronotum vertical, forming no part of the dorsum ; 



