170 TnYNNlD-lC. 



ccncc, the ncrvurcs black. Head closely aiul strongly punctured, 

 except the hinder portion of the vertex, which has distant ])unc- 

 tures ; a transverse carina in front of the ocelli ; the niandililes 

 black, with the extreme apex ferruginous ; the face, below the 

 antenna?, with white pubescence. Thorax with strong but distant 

 punctures; the anterior margin of the prothorax raised and acute, 

 tlie sides of the protliorax somewhat rounded to tlie wings. Abdo- 

 men with the segments constricted, sparingly punctured ; beneath, 

 the base of the segments closely punctured, their apical half with 

 stronger but distant punctures. 



Ilah. Queensland. 



3. Rhagigaster rugosus. 



Mcih'. Length 5 lines. — Black ; the head and thorax rugose ; the 

 tibia?, tarsi, and two apical segments of the abdomen ferruginous. 

 The head and thorax with thin hoary pubescence ; wings hyaline, 

 the nervures black. Abdomen closely punctured and shining ; the 

 recurved spine black. 



Female. Length 2^ lines. — Black ; the antennre pale ferruginous ; 

 the mandibles and tarsi ferruginous, the tibia? obscurely so ; the 

 prothorax ferruginous, the meso- and metathorax obscurely so ; 

 the second segment of the abdomen bright ferruginous and deeply 

 transversely grooved ; the extreme apex ferruginous. 



Hah. Adelaide. 



This species is closely allied to R. 7icemor7-7ioidalis of Gucrin, but 

 is distinguished from it by its smaller size and by the colour of its 

 legs. 



4. Rhagigaster Isevigatus. 



Male. Length 10 lines. — Black, shining, thorax impunctate ; wings 

 dark brown-black, lightest towards their apical margins. The face 

 with a few scattered fine punctures, the vertex impunctate ; the 

 face on each side of the cl}'peus with cinereous pubescence. The 

 scutellum prominent. The abdomen smooth and shining ; the 

 margins of the segments depressed ; the depression at the apex of 

 the third, foiirth, and fifth segments finely punctured. 



Female. Length 7^ lines. — Ferruginous, the abdomen, legs, and 

 antennae obscurely so ; the head subquadrate, and, as well as the 

 thoi'ax above, with strong oblong punctures ; the apical margins 

 of the segments with a row of punctures ; the apical segment with 

 oblong punctures. 



Ilab. N.W. coast of Australia, Champion Bay. 



