20 HYMENOPTERA ACULEATA. 



(1) 2. Vertex not emarginato, petiole scale not 

 deeply notched. 



(4) 3. Clypeus emarginate ..... sanguinea. 

 (3) 4. Clypeus not emarginate. 



(6) 5. Frontal area polished in ? and 5- Eyea in 



(J more or less hairy, abdomen ovale $ . rufa. 



(5) 6. Frontal area dull in ? , $. Eyes in (;J naked, 



abdomen elongate ..... fusca. 



F. rufa, Linn, (pratensis Be Geer, congerens Nyl.) 



Surface clothed with scattered fine short hairs. 

 Head dull, black-brown, mandibles untoothedj eyes hairy ; 

 thorax black-brown, dull, except the scutellum and 

 propodeum, wings clouded with brown at the base, 

 nervures pale ; abdomen black-brown, widest at the base, 

 slightly shining, surface indistinctly punctured, and genital 

 armature testaceous ; legs testaceous varying to darker. 



? head dull, brown, testaceous red at the sides; thorax 

 red, brown on the mesonotum and scutellum, dull except the 

 scutellum which is shining, wings clouded at the base; 

 abdomen, shining, very convex and shortly elliptic, its apex 

 and underside sparsely pilose ; legs red, clouded with brown. 

 5* Entirely dull, except the frontal area and mouth 

 parts ; head red, widest posteriorly, vertex and face above 

 the antennae brown, vertex convex, clypeus entire, with 

 a dark keel down the centre, antennte brown ; thorax red, 

 sometimes more or less dark above ; abdomen beyond the 

 petiole nearly round, brown-black, clothed with very fine grey 

 pubescence, petiole red ; legs reddish-brown, the coxse red. 



L. cJ ¥ 10-12 mm., ? 6-10 mm. 



'Race, j^ratensis Be Geer [congerens, iV?//.), differs from the 

 typical form, in having the eyes n:ore densely hairy between 

 the facets, being hairy even in the ? and ^ , and in having 

 the thorax more hairy in the 5 • The abdomen above with 

 sub-erect hairs in the c? and its surface dull and finely 

 pubescent in the ? . 



Common in sandy localities where fir woods exist. 

 Generally forming large dome-shaped nests on the ground, 

 but occasionally in the hollow stem of an old tree; the S 



