82 PROCEEDINGS CF THE. ROYAL SOCIETY OF QUEENSLAND. 



of the second black, with parts a lighter brown and parts 

 whitish. From the ventral side are given off a number of 

 irregularly shaped, somewhat foliaceous processes fringed 

 with short whitish hairs. The penis is provided laterally 

 with two strong black hooks, closely resembhng claspers 



(Fig- n 



Female. — This differs from the male in the following im- 

 portant characters : — Front about four fifths the width of eyes ; 

 parafrontals nearly twice the width of frontal stripe. Lateral 

 verticals very well developed. Nine frontal bristles beside 

 the frontal stripe ; three which are much larger beside the eye. 

 Thoracic chsetotaxy as in male, except that the prescutellar 

 acro&tichals are slightly larger in the female, and the scutellar 

 apicals absent. First femur not hairy. Second and third 

 tarsi and tibiae without hair. Abdomen more rounded than in 

 male, and with the usual markings, the median black line 

 extending on to the last segment. 



Described from several males and females bred from bad 

 meat in Brisbane. 



18. Sarcophaga omikron n. sp. (Fig. 16). 



General appearance closely resembhng S. aurifrons. 

 Length 10 to 12 mm. 



Male. — Head. — Front moderately prominent, a little less 

 than half the width of eye ; eyes brown. Frontal stripe black, 

 a little narrower than parafrontals. Parafrontals, gense, and 

 occiput bright golden ; mesofacial plates silvery, faintly 

 tinged mth gold. Epistome inconspicuous ; first antennal 

 joint invisible ; second large, black, coated with silvery hairs ; 

 third joint silvery, about thrice the length of second. Arista 

 shorter than usual, measuring only about six-fifths the length 

 of the antennal joints combined. A row of twelve frontals 

 beside frontal stripe ; at the upper end of this row, below the 

 ocelU, are five other bristles, one outside the row, the others 

 internal to it. Vibrissa inserted fairly close to oral margin. 

 About twelve facials and eight peristomials present. Verticals 

 not very strongly developed ; a single row of short black 

 bribtles behind eyes ; occiput covered by short golden hairs 

 which become longer below on the genae, but shorter again 

 more anteriorly. 



Thorax rather bright golden, with the longitudinal jet-black 

 stripes much darker than usual ; the middle one alone has a 



