40 



MEMOIFS OF THE QUEENSLAND MUSEUM. 



Text-figs. 42-44, Larval spiracles, all drawn to same scale. Posterior spiracles of 

 M. terroe-regince; first instar (42), second instar (43), third instar (44). 



Text-fig. 45, Anterior spiracle of third instar of M. ierrce-regince. 



Text-figs. 46-48, Spiracles of larva of M. liilU: fig. 46, posterior spiracle of second 

 instar; 47, posterior spiracle of third instar; 48, anterior spiracle of third instar. a.sp., anterior 

 spiracular process, surrounded by a clear envelojie (c.e.). 



from Tasmania, but in view of the brevity of the description, particularly in 

 regard to the thoracic and abdominal markings, we do not feel justified in 

 identifying our form with his. We have i:)leasure in associating with this new 

 species the name of Mr. G. F. Hill, Entomologist to the Australian Institute of 

 Tropical Medicine, Townsville, North Queensland, who has published important 

 papers dealing with Australian flies. 



