Mr. E. E. Turner on Fossorial Hymenoptera. 539 



Anterior and posterior margins of the 



pronotum narrowly white E. exilic, Turn. 



3. Pronotum and abdomen black E. lucida, Sm. 



Pronotum marked with yellow on the 



anterior margin at least ; abdomen 

 bright ferruginous, sometimes more 

 or less clouded with black 4. 



4. Antennae yellow from the middle of the 



ninth joint of the tiagelluni to the 



middle of the twelfth E. cclsissima, Turn. 



Antennfe black or ferruginous 5. 



5. Antennfe ferruginous ; apical depression 



of clypeus arcuate E. leai, Turn. 



Antenna? black ; clypeus witli a trian- 

 gular surface from before the middle . E. ichneumoniformis, Sm. 



2$. 



First abdominal segment not narrowed to 



the base ; sixth dorsal segment with a 



carina E. dispar, Westw. 



First abdominal segment narrowed to the 



base ; sixth dorsal segment without a 



carina E. cclsissima^ Turn. 



Eirone exilis^ .sp. n. 



(J . Black : the mandibles (except at the apex), the ante- 

 rior and posterior margins of the pronotum narrowly, a spot 

 on the tegular, the fore tibire in front, and a spot at the base 

 of the intermediate and hind tibiai white. Wings hyaline, 

 iridescent, nervures fusco-ferruginons. A small spot on each 

 side above the base of the antennae white. Clypeus slightly 

 emarginate at the apex, with a carina from the base not qiiite 

 reaching the apex. Head finely and closely punctured, a 

 deep oval depression in the middle of the front, above the 

 interantennal prominence. Thorax closely punctured, most 

 finely on the pronotum, scutellum very broadly rounded at 

 the apex ; median segment rounded, shining and sparsely 

 punctured at the base, more closely elsewhere. Abdomen 

 shining, sparsely and very shallowly punctured, the segments 

 not depressed at the base, the apical dorsal segment more 

 deeply punctured and narrowly rounded at the apex. Second 

 abscissa of the radius as long as the third, the second 

 recurrent nervure received just beEore the middle of the third 

 cubital cell. 



Length 8 mm. 



Hah. Eaglehawk Neck, S.E. Tasmania ; February. 



This is allied to mconspicita, Turn., and less closely to 

 parea, Turn., and montivaga, Turn., but differs from all of 

 them in the carinated clypeus as well as in colour. 



