78 PROCEEDINGS OF THE ROYAL SOCIETY OF QUEENSLAND. 



15. Sarcophaga theta n. sp. (Fig. 5). 



General appearance very like S. aurifron."!. Length 9 to 

 12 mm. 



Male. — Head. — Front fairly prominent, about half the 

 Avidth of eye. Frontal stripe nearly black, a little mcler than 

 parafrontals. Parafrontals, gense, and back of head bright 

 golden ; mesofacial plates silvery with golden tinge and darker 

 borders. Epistome fairly prominent, tinged with pink. First 

 antennal segment very small ; second shorter than usual and 

 nearly black ; third well over thrice the length of second, and 

 of a very dark brown colour. Eyes red-brown. Proboscis 

 and palps as usual. Eleven frontals beside frontal stripe ; 

 vibrissse rather shorter than usual. Five facials, seven peri- 

 stomials. Verticals present, lateral verticals absent. A single 

 row of short black bristles behind eyes ; back of head clothed 

 with short pale-golden hairs, developing into a beard-like growth 

 on the lower part of the genes, but rather sparse and short 

 on the anterior portion of the latter. 



Thorax a pale-golden colour, with the usual three longi- 

 tudinal black stripes, the middle one plainly visible on the 

 scutellum, the lateral two only very faintly so. Sides of 

 thorax golden ; under side grey. Anterior spiracle provided 

 with yellow hairs. 



Of the anterior acrostichals only the posterior pair present, 

 though but very weak ; posterior acrostichals entirely absent. 

 Dorsocentral row complete, the lastj'pair extending Just to 

 the tip of scutellum. Two intra-alars, also apical scutellars, 

 present. 



Legs black and grey. First femur golden below and 

 lightly hairy proximo-ventrally ; tibia longer|^than tarsus. 

 Second femur not hairy ; a " combj" not definitely differ- 

 entiated ; tibia hairless. Third femur^hairless, tibia strongly 

 hairy. 



Abdomen with the usual black and grey7mar kings. The 

 median longitudinal black row prominent anteriorly ; extending 

 only faintly on to the last segment. Abdomen with short 

 black reclinate bristles above, hairy beneath. First segment 

 of hypopygium silvery poUinose ; second nearly black, shiny 

 and very hairy. Forceps shiny black, a littleXsculptured, 

 approximated posteriorly for about three-fifths their lengtli ; 

 straight almost to the tips which are fairly sharply bent. 



