I<i0 xnYNNrD-T:. 



(!. Thynnus fulvopilosus. 



Mnli\ Lonpth T)] linos. — Black ; tho vorlox nncl thorax abovo wilh 

 thin t'ulvoiis })ul)(.'sconct> ; tho I'acc wit.li {^riseous pul)oscoiico. Tliorax 

 closely puneturod ; wings hyaline and iridescent ; the anterior legs 

 and tho intermodiato and jiostorior tibia) and tarsi forniginons ; 

 tlio anterior co.vai and trochanters black. Abdomen Ku])i)etiolate, 

 smooth, shining, and imi)unctato ; beneath, the apical margins of 

 the segments with narrow white interrupted fasciae. 



Female. Black ; the articulations of the legs and tho tarsi palo 

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

 strongly transversely grooved : tho abdomen is opaque black, ex- 

 cept the apical segment, which is smooth and shining. 



Ilah. Adelaide. 



Thynnus multipictus. 



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

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

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

 antenna, yellow ; two somewhat obscure feiTuginous spots on the 

 vertex. The margins of the prothoras, the tegulse, a longitu- 

 dinal line on the mesothorax and scutcllum, the postscutellum, 

 the posterior lateral angles of the metathorax, and three oblong 

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

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

 the abdomen with a short, somewhat oblique, j-ellowish-white spot 

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

 curves inwardly ; the abdomen shining and impunetate ; 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 fascia). A 

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

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

 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 tegulte, 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 impunetate ; the second, third, and 

 fourth segTQents with interrupted white fasciae, the fascia) imeven, 

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

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



