SPHEGID.E. 147 



underside of the cheeks, the yellow mandibles, the entirely 

 black pronotum and the black apices of the tibiaj; tbe ? 

 by the yellow mandibles, the clear yellow scape, the 

 yellow tibiaa and tarsi, the usually yellow-spotted pronotum 

 and tubercles, and occasionally yellow-spotted scutelluui. 



L. 7-8 mm. 



Rare. Chobhara ; Darenth ; Birchwood ; Weybridge ; 

 Isle of Wight; Cromer; {Sinlfh). 



The yellow colour in this species predominates in the ? , 

 in the preceding in the S . 



ENTOMOGNATHUS, Dahlb. 



Very like one of the Lindenhis group of the preceding 

 genus, but easily distinguished by the hairy eyes and the 

 deep sinuation at the base of the mandibles. There is only 

 one British species. 



E. brevis, V. de Lind. — Black ; head and thorax shining, 

 remotely and rather largely punctured, clothed with short 

 erect hairs, mandibles dentate externally at the base, the 

 dilated portion flavous in the ($ , scape of the antennje flavous 

 in front in both sexes, eyes clothed with fine white hairs ; 

 pronotum with the tubercles yellow, basal area of the pro- 

 podeum shining, surrounded and divided down the centre 

 by crenate impressions, sides finely pilose ; abdomen finely 

 punctured, posterior margins of the segments narrowly 

 piceous, apical segment piceous, dorsal valve in the ? largely 

 punctured ; anterior and intermediate legs in the (J flavous, 

 except a black line beneath the femora, and also a black line 

 along the top of the intermediate pair, posterior femora 

 black with the apex yellow, tihite and tarsi flavous ; ? with 

 the femora black, the anterior pairs yellow at the apex, the 

 tibiae yellow, the posterior pair dark towards the apex, 

 posterior and intermediate tibiaj denticulate and spinose. 



L. 5-6 mm. 



Common and generally distributed. 



