338 FOEMICIJD.E. 



g maj. ; antennae proportionately more slender and longer, the 

 scape extending a little beyond the top of the head. 



$ . Head not so broad as the thorax ; eyes much larger than in 

 the $ ; ocelli present ; antenna 12-jointed, 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 

 (1861), p. 68, $. 



$ maj. Reddish yellow to creamy buff, shaded with reddish 

 brown, abdomen almost entirely reddish brown ; head, thorax and 

 abdomen very minutely but closely reticulate-punctate, and covered 

 copiously with minute piligerous tubercles, the hairs fairly long, 



Fig. 101. Pseudolasius familiaris. < niaj. a. Head. 



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

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

 appearance. For the rest the generic characters. 



min. Similar, smaller, with proportionately longer antennae, 

 and lighter, paler in colour. 



$ . Varying from reddish yellow to reddish brown ; wings 

 hyaline, with a silky pubescent appearance, nervures brown. 

 Pilosity and pubescence as in the g maj. 



Length, $ maj. 6-7 ; min. 3-5-4 ; $ 7-8 mm. 



Hob. Sikhim at 4000 ft. (Holler); Burma, the Karen Hills and 

 Shan pkteau from 3000 to 6000 ft. (Pea $ Craddock). 



Genus LASIUS. 



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

 Lasius, Fabr. Syst. Piez. 1804, p. 415. 



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

 and Nearctic species. 



Range. Temperate zones of both hemispheres. 



. 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 



