338 roRMiciD.i:. 



^ maj. ; anteiin.T proportionately more slender and longer, the 

 scape extending a little beyond the top of the head. 



2 . Head not so broad as the thorax ; eyes riiuch larger than in 

 the "^ ; ocelli present; antennae 12-jointecl, proportionately longer 

 than in the ^ maj. Thorax and abdomen massive. Node of the 

 pedicel very low, sunk between the thorax and abdomen. Wings 

 long, rather narrow ; fore wing with one very large cubital and 

 one marginal cell ; discoidal cell obsolete. 



387. Pseudolasius familiaris. Smith (Formica), Jour. Linn. Soc. v 

 (istJl). p. u^, $. 



^ maj. Kcddish yellow to creamy buff, shaded with reddish 

 brown, abdomeii almost entirely reddish brown ; j^ead, thorax and 

 abdomen very minutely but closely reticulate-punctate, and covered 

 copiously with minute piligerous tubercles, the hairs fairly long, 



Fig. 101. — Pseiidolusius familiaris, ^ maj. a. Head. 



erect, and glistening yellow : pubescence tine, short and silky, 

 very dense on the abdomen, giving it in certain lights a striate 

 appeai'ance. For the rest the generic characters. 



5 mill. Similar, smaller, with proportionately longer antennie, 

 and lighter, paler in colour. 



5 . Varying from reddish yellow to reddish brown ; wings 

 hyaline, with a silky pubescent appearance, nervures brown. 

 Pilosity and pubescence as in the ^ maj. 



Len(jth, ^ maj. 6-7 ; ^ min. 3'5-4 ; 5 7-8 mm. 



Hah. Sikhim at 4000 ft. (MoUer) ; Buruia, the Karen Hills and 

 Shan plateau from 3000 to 6000 ft. (Fea ^ Graddock). 



Genus LASIUS. 



Formica, pt., Linn. Si/st. Nat. ed. 10 (1"-")?^), p. -ISO. 

 Lasius, Fiibr. Si/st. Piez. 1804, p. 415. 



Type, L. niger, Linn., from Europe ; a widespread Palaearctic 

 and Nearctic species. 



Mange. Temperate zones of both liemispheres. 



$ . Mandibles short, elongate, triangular, masticatory margin 

 dentate and somewhat oblique, the apical tooth long, curved and 

 acute ; clypeus trapezitorm, convex from side to side (in the 



