Aculeate Hymenopiera. 243 



of the metathorax, yellow ; the anterior and intermediate 

 cox^ in fronts with the tibi^ and tarsi^ as well as the 

 posterior tibiae and the base of the first joint of the tarsi, 

 yellow; the anterior and intermediate femora reddish, 

 as well as the base of the posterior femora; the posterior 

 tarsi dusky; wings fulvo-hyaline, their apex fuscous. 

 Abdomen : the first and fourth segments black, the rest 

 yellow ; the apical margins of the second and third fusco- 

 ferruginous. 



Hab. Adelaide. 



In the British Museum, 



5. Pompilus diver sus. 



Female. Length 4| lines. Black: with the head and 

 thorax blood-red. The face with a silvery- white pubes- 

 cence ; the tips of the mandibles and the antennae black, 

 the scape red beneath ; the head a little wider than the 

 thorax. The metathorax rounded behind; the legs 

 obscure fusco-ferruginous, the anterior tibise and tarsi 

 brightest ; the wings fuscous, palest at their base. Ab- 

 domen covered with a silky slate-coloured pile. 



Hab. Sydney, or Moreton Bay. 



In the British Museum. 



6. Pompilus irritahilis. 



Female. Length 4|-6 lines. Black: the wings with 

 a yellow fascia ; the body covered with a fine silvery 

 silky pile, very bright and glittering in certain lights, 

 and most dense on the face, and body beneath. Thorax : 

 the posterior margin of the prothorax rounded ; wings 

 fusco-hyaline, with a broad yellow fascia towards the apex 

 of the anterior wings, enclosing the marginal, two sub- 

 marginal, and apical half of the third discoidal cell ; the 

 fascia does not quite extend to the posterior margin of 

 the wing : the spines at the apex of the tibi^ pale testa- 

 ceous ; the extreme apex of the anterior tibiae and joints 

 of the tarsi, as well as the apex of the intermediate tibiae, 

 ferruginous. Abdomen rounded at the base. 



The male closely resembles the female, but has the 

 anterior tibiae and tarsi, as well as the antennae, ferruginous ; 

 the posterior tibiae with a pale spot at their base. 



Hab. Australia. 



In the British Museum. 



r2 



