16 



HYMENOPTERA. 



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

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

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

 domen : each segment has a broad interrupted yellow fescia, 

 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)pl. 101.f.21c?. 



Klug, Berl. Abhandl. 19. 10. 



Hab. Australia. 



15. Thynnus emarginatus. 



Thynnus emarginatus, Fabr. Syst. Ent. 360. 2 2 ; Ent. Svst ii 

 244.2; Syst. Piez. 231. 2. 

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

 Hab. Austraha. 



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. 



' Klmj, Berl. Abhandl. (1842) 16. 3. 

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

 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 coxa; black, the posterior pair with a 



