16 HYMENOPTERA. 



spots between the antennae, yellow. Thorax : wings hyaline, 

 faintly yellow, with the nervures fusco-ferruginous ; the tegulae 

 pale testaceous yellow ; the anterior coxae yellow 7 in front. Ab- 

 domen : each segment has a broad interrupted yellow fascia, 

 which is crossed longitudinally by a waved fuscous line at the 

 lateral margins ; beneath, the second and three following seg- 

 ments with a large yellow spot on each side ; covered above and 

 beneath with fine shallow punctures. 



Hab. Australia (Swan River). 



14. Thynnus flaviventris. 



Thynnus flaviventris, Guer. Voy. Coq. Zool. ii. 229 $ ; Mag. Zool. 

 (1842) pi. 101. f. 2\$. 



Klug, Berl. Abhandl. 19. 10. 

 Hab. Australia. 



15. Thynnus emarginatus. 



Thvnnus emarginatus, Fair. Syst. Ent. 360. 2 $ ; Ent. Syst. ii. 

 244.2; Syst. Piez. 231. 2. 

 Guer. Voy. Coq. Zool. ii. 229. 

 Hab. Australia. 



16. Thynnus pedestris. 



Tiphia pedestris, Fabr. Syst. Ent. 354. 8 ? ; Ent. Syst. ii. 228. 



19; Syst. Piez. 235. 23. 

 Thynnus pedestris, Guer. Voy. Coq. Zool. ii. 16. 3. 



Klug, Berl. Abhandl. (1842) 16. 3. 

 Mutilla Myrmecodes, Lamarck, Hist. Nat. 2nd ed. iv. 316. 7- 



Hab. Australia. 



17. Thynnus hyalinatus. B.M. 

 Thvnnus hyalinatus, Westw. Arc. Ent. ii. 106. pi. 74. fig. 3 $ , 



fig. 4 ? . 

 Hab. Tasmania. 



18. Thynnus maculosus. B.M. 



Male. Length 1 1 lines. — Black : the clypeus, the margins of 

 the face on each side, the lower part of the orbits of the eyes, and 

 two spots between the antennae, yellow ; an ovate black spot in 

 the middle of the clypeus ; the head and thorax above with pale 

 fulvous pubescence, on the sides and beneath it is cinereous. 

 The metathorax with a transverse yellow spot at its base ; the 

 wings fulvo-hyaline, the nervures dark ferruginous ; the legs 

 ferruginous, with the coxae black, the posterior pair with a 



