Heterofij/)!/! and Fossnrial Hiimenoptera. 205 



brown-black, covered with a very short, fine, cinereous 

 pubescence, and scattered over witli occasional upright 

 silvery hairs, especially on the basal segment ; scale of 

 the petiole red, more or less rounded above, and some- 

 times slightly emarginate ; legs reddish. Length 6 — 10 

 mill. 



Ihih. — Common in fir woods, &c., generally forming 

 its dome-like nest on the ground, but occasionally in 

 the trunk of an old tree ; the <? and ? appear about 

 midsummer. In the nest of this ant is found occa- 

 sionally, another of our rarer species the Stcnmnma 

 Wesin-oodii ; on the Continent, DijdorhoptriDii fugax, is 

 also found with it. 



2. coniicn'HS, Nyl. Act. Soc. Fenn. (184G), 2, p. 906. 



3- differs from rnfa in having the eyes more densely 

 and regularly hairy, the wings with pale yellowish 

 nerves at the base, and less clouded ; the abdomen dull, 

 and all the segments above with black bristly hairs. 



? differs in having the eyes with very short, scat- 

 tered, fine hairs, and the abdomen covered with a 

 very fine short sericeous adpressed grey pubescence. 

 Scutellum dull. 



^ differs in having the thorax comparatively densely 

 covered with hairs, and the eyes hairy. 



Hah. — Loch Eannoch and Bournemouth, and probably 

 elsewhere, but overlooked. 



Eorel and Emery consider this as only a race of rufa, 



3. sanguinea, Ltr. Essai Fourmis France, p. 37. 



Kesembling rufa, but ^ and ? much brighter in 

 colouring. 



S differs in having the mandibles with three to five 

 teeth, and the clypeus emarginate ; the thorax also has 

 only a few isolated bristly hairs. Length U mill. 



? differs in the brightness and extent of the red 

 colour, the thorax sometimes being entirely red, and in 

 having the clypeus emarginate, and the frontal area dull. 

 Length 9—10 mill. 



^ differs much in the same respects as the female ; 

 the thorax is generally unspotted, and the legs bright 

 clear testaceous-red ; the clypeus emarginate, and the 

 frontal area dull. Some of the pale varieties of (•((/(/- 



