18 



SESIADJB. 



SESIA MYOP^EFORMIS. 

 Plate V. Figure 5. 



THIS insect measures from about nine to ten lines, or 

 ten and a half across. Male: front wings transparent, 

 blackish on the upper and lower edges; the outer edge 

 the same, with a tinge of fine purple or blue-black ; the 

 central spot or bar blackish also. Hind wings fringed 

 with blackish; the head is black, thorax black, body 

 black, the last named with one broad red belt on its 

 upper part, but white beneath; the tail-tuft black. In 

 the female the ring on the under side is only edged 

 with white; the remainder being black. 



Localities for this species are Hertford, Epping, Kings- 

 bury, Dublin, Bristol, Lewes, Chelsea, Woolwich, Ripley, 

 and other places near London. 



The situations where it is found are gardens and 

 orchards, among fruit trees. 



The dates of the appearance of the perfect insect are 

 at the end of May, and in June and July. 



The caterpillar is to be found in the months of April 

 and May. 



It is said to feed on the small stems and twigs of 

 the apple tree. 



