J6 Mr. R. E. Turner on Fossori'aJ Ilymenoptera. 



Head not unusually large ; eyes more 

 than twice as far from each other as 

 from tlie posterior margin of the head . li. frencldi, Turn. 



3. Hind tibia? not perceptibly spiuose .... 4. 

 Hind tibi;e more or less spinose o. 



4. Tronotum rounded at the angles ; inter- 



mediate femora yellow ; abdomen 



marked with ferruginous R. tenuiventre, Turn. 



Pronotum transverse, angles well de- 

 fined ; abdomen and intermediate 

 femora black -R. eucalypti, Turn. 



5. Abdomen more or less red 6. 



Abdomen wholly black 7. 



C. Spines of hind tibia? strong ; petiole dis- 

 tinctly longer than tl;e second segment B. tricolvr, Sm. 

 Spines of hind tibiae feeble ; petiole equal 

 in lengtli to the second segment .... J2. tricolor imhelle, Turn. 



7. Pronotum transverse, the angles well 



defined S- 



Pronotum rounded at the angles U. 



8 .Wings f usco-liyaline : a very broad de- 

 pre.>-sion from the inner margin of the 

 eve nearly reaching the posterior 

 ocelli; basal area of median .segment 



finely and closely punctured JR. leptosperj?ii, Turn. 



Wings hyaline, iridescent ; a narrow 

 sulcus from the inner margin of the 

 eye to the posterior ocelli; basal area 

 of median segment rugose li. cyf/norum, Turn. 



9. With a broad depression from the inner 

 margin of the eye nearly reaching the 



posterior ocelli 10. 



"Without a depression from the inner 

 margin of the eye towards the poste- 

 rior ocelli -R. littorale, Turn. 



10. Median segment with a longitudinal 

 sulcus; recuiTent nervure received be- 

 yond three-quarters from the base of 



the cubital cell -?i. alicicc, Turn. 



Median segment without a sulcus ; re- 

 current nervure received at about 

 three-fifths from the base of the cubi- 

 tal cell . , H. vuriitarse, Turn. 



Rhopalum inacrocephahfs, sp. n. 



5 . Nigra ; mandibulis, apice excepto, scape, flagello articulo primo, 

 tubcrculis humeralibus, tegulis, coxis anticis subtus, trochanteri- 

 bus, femoribus anticis intermcdiisque, tibiis tarsisqiie anticis 

 et intermediis, tibiisque posticis basi flavis ; segmentis abdomin- 

 alibus margine apicali et subtus fusco-ferrugineis ; alls hyalinis, 

 venis nigris. 



Long. 6 mm. 



? . Head sliiuing, very large, longer than broad ; the 



