80 PROCEEDINGS OF THE ROYAL SOCIETY OF QUEENSLAND. 



Thorax greyish gold, with the usual black longitudinal 

 stripes, the middle one alone extending on to scutellum ; sides 

 of thorax grey and gold ; ventral side grey. Anterior spiracle 

 dark chocolate brown, provided with brown hairs. Of the 

 anterior acrostichals only the last two pairs are present ; of 

 the posterior, only the prescutellar,* which are very strong, 

 reaching nearly to the tip of scutellum. Apical scutellars 

 present. Three intra-alar bristles present. Posterior pair of 

 dorsocentrals reach far beyond scutellum. 



Legs black and grey. First femur golden below, clothed 

 with short hairs, tibia a little longer than tarsus. Second 

 femur not hairy ; a " comb " differentiated ; tibia a little 

 longer than tarsus. Third femur lightly hairy ; tibia longer 

 than tarsus and not markedly hairy. 



Abdomen with the usual black and white markings ; with 

 short reclinate bristles dorsally, and a long beard-like growth 

 of hairs ventrally. In the hypopygium the first segment is 

 silvery pollinose, the second almost black and provided with 

 long hairs. Forceps approximated for about two-thirds their 

 length ; angular in side view, ending in a sharp point ; tip black 

 and bare ; upper portion slightly hairy, and dark shiny brown. 

 Accessory plate brown, rounded, and moderately hairy. 

 Claspers very dark brown. First joint of penis brown; 

 second more heavily chitinised, black and dark brown, pro- 

 vided ventrally with a pair of hook-shaped, foliaceous pro- 

 ^cesses, tipped ventrally with white (Fig. 11). 



Female. — This differs from the male in the following 

 cliaracters.: — It is shorter than the male, measuring about 

 9 to 10 mm. ; one female reached only 7 mm. Front as wide 

 as eyes. Lateral verticals very well developed. A row of 

 seven frontal bristles beside the frontal stripe, and three 

 large bristles beside eye. Scutellum much abbreviated, almost 

 flat, whereas in the male it is strongly convex. Thoracic 

 chffitotaxy as in male ; i.e. two anterior acrostichals, three 

 intra-alars, but no apical scutellars. Tibiae and femora all 

 hairless. No " comb " on second femur. Abdomen very 

 rounded ; hairy, but not markedly so beaneath ; median 

 dorsal black line extends on to last segment. 



Bred from decomposing meat in Brisbane, October 1920. 



