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305 



its concave side (Fig. 3), and the anterior end of the larva emerges. 

 The insect bends towards the leaf until it can get a hold, the legs, as they 

 emerge, being used to push the egg-case free of the larva. The process 



Fk. 3. 



Fig. 4. Stalk of egg embedded in leaf. 



is further assisted by flexure and alternate contraction and expansion 

 of the abdomen. The empty egg-case is left standing on the leaf, 

 collapsed. 



Fig. 5. First instar. 



Fig. 6. First instar, from stained mount. 



In an instance I observed, the time which elapsed from the appear- 

 ance of the crack to the complete freedom of the larva was seventeen 

 minutes. 



Instar I (Fig. 5). The newly-emerged larva is very pale greenish 

 yellow in colour, and the eyes, being bright red, are very obvious. 



