160 THYNNnm 



6. Thynnus fulvopilosus. 



Male. Length 5| lines. — Black ; the vertex and thorax above with 

 thin fulvous pubescence ; the face with griseous pubescence. Thorax 

 closely punctured ; wings hyaline and iridescent ; the anterior legs 

 and the intermediate and posterior tibiae and tarsi ferruginous ; 

 the anterior coxae and trochanters black. Abdomen subpetiolate, 

 smooth, shining, and impunctate ; beneath, the apical margins of 

 the segments with narrow white interrupted fasciae. 



Female. Black ; the articulations of the legs and the tarsi pale 

 ferruginous ; the abdomen is ferruginous at the base above, and 

 strongly transversely grooved ; the abdomen is opaque black, ex- 

 cept the apical segment, which is smooth and shining. 



Hah. Adelaide. 



7. Thynnus multipictus. 



Male. Length 5^ lines. — Black, with the legs and the second and 

 third segments of the abdomen ferruginous. The mandibles, clypeus, 

 the orbits of the eyes (interrupted above), and a spot over each 

 antenna, yellow ; two somewhat obscure ferruginous spots on the 

 vertex. The margins of the prothorax, the tegulee, a longitu- 

 dinal line on the mesothorax and scutellum, the postscutellum, 

 the posterior lateral angles of the metathorax, and three oblong 

 spots beneath the wings, yellow ; wings hyaline and iridescent, 

 the nervures ferruginous. The second, third, and fourth segments of 

 the abdomen with a short, somewhat oblique, yellowish-white spot 

 at their extreme lateral margins ; a very narrow line from each spot 

 curves inwardly ; the abdomen shining and impunctate ; beneath, 

 three or four of the segments have a minute lateral spot. 



Hah. Adelaide. 



8. Thynnus propinquus. 



Male. Length 6 lines. — Black ; the head and thorax with white 

 markings, those on the abdomen forming interrupted fasciae. A 

 spot at the base of the clypeus, its anterior margin, an abbre- 

 viated line at the lower margin of the eyes, a similar line on the 

 sides of the clypeus, an oblong spot in its centre, and a small ovate 

 one above each antenna, white, Thorax closely punctured; the 

 anterior elevated margin of the prothorax, its posterior margin 

 narrowly, the tegulae, a longitudinal line on the scutellum, its 

 posterior margin with a narrow line, which is continued to the 

 posterior wings, white ; wings hyaline, the nervures fusco-ferru- 

 ginous. Abdomen shining and impunctate ; the second, third, and 

 fourth segments with interrupted white fasciae, the fasciae uneven, 

 being widest towards the lateral margins ; two minute spots on the 

 basal segment and four on the fifth segment, placed transversely ; 



