190) wuscA AUSTRALIS MACQ., M. VETUSTISSIMA WALKER. 
Its posterior spiracles are in form of two small dark-brown 
projections each with an opening at its summit. There are 
no anterior spiracles. The second instar is marked by the 
appearance of the anterior spiracles each of which contains 
11 to 14 processes (fig. 16). The posterior spiracles are 
much larger, a black chitinous D-shaped structure 
appearing round the original knob, and containing two 
sinuous slits (fig. 20). At this stage the larva is deposited 
by the female, but is still enclosed in its thin, delicate 
