818 STUDIES IN AUSTRALIAN NEUROPTEKA, vii. 



such as California or South Africa. As they are entirely bene- 

 ficial, I would call the attention of entomologists to their possible 

 value in this respect; particularly as there would not be the 

 slightest difficulty in sending the larvse to any part of the world, 

 since they are very hardy, and will go without food for several 

 weeks at a time. 



EXPLANATION OF PLATE LXXIX. 



Psychopsis elegans (Guer.). 

 Ficr.L— Two eggs; ( x /). 

 Fig.2. — Newly hatched larva; { x 7). 

 Fig.3. — The same larva at end of first instar; ( x 7). 

 Fig. 4. — The same larva, at end of second instar; ( x 7). 

 Fig. 5. — The same larva, at end of third instar; full-fed; ( x 7). 

 Fig. 6. — Cocoon; ( x 4). 

 Fig. 7. — Pupa, ten days old, extracted from cocoon; ( x 7). 



