THE ENTOMOLOGIST 



Vol. XXXVIIL] DECEMBER, 1905. 



[No. 511. 



AN INTEEESTING MELANIC FORM OF ACRONYCTA 



LEPORINA. 



By William Mansbridge, F.E.S. 



In the Liverpool district occasional specimens of a melanic 

 form of A. leporina have been captured by various lepidopterists 

 nearly every season for some years past. Attention was first 

 drawn to the variety by my friend Dr. J. Cotton in a paper read 

 before the Lancashire and Cheshire Entomological Society, and 

 at his request I now give these particulars of this interesting 

 form, and propose the varietal name melanocephala. 



The typical insect occurs everywhere in North Cheshire and 



BNTOM. — DECEMBER, 1905. 2 B 



