PLATE LVI. 



ACRONYCTA TRIDENS. 



1,1a, larvae after last moult (a on garden pear, 

 September 20th, 1872; imago ? June 22nd, 1873). 



ACRONYCTA PS1. 



2, 2 a, 2 b, larvae after last moult. 



ACRONYCTA LEPORINA. 



3, larva before last moult ; 3 a, larvae after last 

 moult. 



See pp. 8, 9. 



ACRONYCTA AOER1S. 



4, larva after last moult. 



ACRONYCTA MEGACEPHALA. 



5, 5 a, larvae after last moult. 



ACRONYCTA STRIGOSA. 



6, 6 a, 6 b, larvae after last moult (on hawthorn, 

 September 29th, 1862, September 10th, 1864, and 

 September 1st, 1866). 



See pp. 9—13. 



