Mr. R. E. Turner on Fossorial Hymenoptera. 249 



Soc. London, p. 425, 1910), to wliich it is nearly allied ; but 

 ill tliat species the eyes are very distinctly separated from 

 the hind margin of the head, as in all the other species of the 

 group known to me, the median segment is longer and has 

 the median sulcus much more obscure, and tlie pubescence 

 on the head is ijolden. 



Liris coioani, Kirby. 

 Lavrada cowani, W. F. Kirby, Traus. Eut. Soc. London, p. 200 (1883). 



Liris pedestris, Saussure, Grandidier, Hist. Madagascar, xx. p. 517 

 (1892). 2 6. 



Key to the Australian Species q/'Larra. 



??• 



1. Fore tibise with a row of spines on the outer 



margin L. melanocnemis, Turn. 



Fore tibiae witlioiit spines on the outer 

 mai'gia 2. 



2. Legs ferruginous L. femorata, Sauss. 



Legs black, shading into fusco-ferriiginous 



on the tibiie and tarsi in some specimens. L. scelesta, Turn. 



1. Eyes separated on the vertex by a distance 



at least equal to the length of the three 



basal joints of the tlagelium L, melanocnemis, Turn. 



Eyes separated on the vertex by a distance 

 equal to the length of the two basal 

 joints of the tlagelium 2. 



2. Legs ferruginous L. femorata, Sauss. 



Legs black, the apical half of the tarsi fusco- 



ferrugiuous L. scelesta, Turn. 



Larra melanocnemis, sp. n. 



$ . Nigra, opaca, abdomine nitido, segmentis dorsalibus 1-5 fascia 

 interrupta, albo-pilosa ; tegulis pallide testaceis ; alis fusco- 

 hyalinis, venis fuscis. 

 Long. 15-17 mm. 



? . Clypeus opaque, very finely and Tilosely punctured, 

 the extreme apex smooth and shining, the apical margin 

 transverse. Head subopaque, finely and closely punctured, 

 the front above the base ot the antennai shining and very 

 sparsely punctured. Second joint of the flagellum twice as 

 lung as tiie first and half as long again as the third, the 

 antennse quite as stout in proportion as in L. anathema. 

 Eyes separated on the vertex by a distance equal to the 



