72 PROCEEDINGS OF THE ROYAL SOCIETY OF QUEENSLAND. 



golden, with dark reflections ; gense paler gold provided with 

 black bristles. Occipnt bright golden. Mesofacial jilates very 

 pale gold, almost silvery, with dark borders. 



First antennal segment moderately conspicuous, black ; 

 second large, black, with silvery bloom ; third less than twice 

 the length of second, ferruginous, with silvery bloom. Vibrissa 

 inserted close to oral margin ; four small facial bristles ; 

 seven or eight epistomials. A row of nine frontals present. 

 Verticals moderately large, lateral verticals inconspicuous. 

 Three rows of black bristles behind eyes ; genas with short 

 golden hairs posteriorly, longer below, but never forming a 

 beard-like growth. 



Thorax greyish gold above, brighter gold on sides, grey " 

 beneath. Dorsal surface with the three usual longitudinal 

 stripes of which the middle one alone extends on to scutellum. 

 Anterior spiracle dark chocolate, well provided with yellowish 

 silvery hairs. Of the acrostichals only the prescutellar pair 

 present. The row of dorsocentrals is complete, the posterior 

 pair extending well beyond the scutellum. Anterior intra- 

 alar very weak. Upper humeral very weak. Scutellar apicals 

 small. Halteres brown. 



Legs black and grey. First femur very faintly tinged with 

 gold ; longitudinal rows of bristles complete ; not hairj' ; 

 tibia a little longer than tarsus. vSecond femur not hairy ; 

 a "comb " of eight bristles differentiated ; second tibia" 

 hairless, and much longer than tarsus. Third femur very faintly 

 hairy ; tibia a little longer than tarsus, hairless. 



Abdomen somewhat shorter than thorax, with the usual 

 black and silvery markings, the silvery j)redominat)ng. The 

 median longitudinal stripe does not extend on to the last seg- 

 ment. Hypopygium not visible from above ; very dark 

 shining brown, almost black, and provided with rather short 

 black hairs. Forceps slightly curved, sharply pointed, shiny 

 black, hairy ; posterior two-thirds bare. Claspers dark shiny 

 black. The penis is a very complex organ ; first joint shiny 

 black ; the second very strongly chitinised and provided with 

 several complex white or brown chitin j)ieces (Fig. 4). 



Female. — This closely resembles the male in general 

 appearance and body proportions. Frons a Httle broader than 

 width of eye. Frontal stripe about the width of parafrontals. 

 Outer row of three frontal bristles well developed. Thoracic 



