tinge ; the central bar black with an orange tinge. Hind 

 wings edged with black with an orange tint. Head 

 black, thorax black with a narrow yellow line on each 

 side, body black with four very narrow yellow rings; 

 the tail-tuft black. The female has only three yellow 

 rings on the body. 



Localities for this species are York, Scarborough, 

 Huddersfield, Shrewsbury, Leicester, Lyme Regis, Exe- 

 ter, Manchester, Plymouth, Bristol, Birmingham, Ten- 

 terden, Glasgow, &c. 



The situations where it is found are in gardens, chiefly 

 on and about currant trees. 



The date of the appearance of the perfect insect is 

 in June. June 5. 



The caterpillar is of a dull white colour, with a dark 

 line along the back, the head light brown. 



The dates of the appearance of the caterpillar are in 

 April and May; also, I believe, in October. 



It feeds on the pith of the currant tree. 



This is the commonest of our British species of the 

 genus. 



SESIA ANDRENlFORJIIx 



1'1< tie VI, Figure 4. 



THIS insect measures in width from nine to ten lines. 

 Male: front wings transparent, on the upper margin 

 blue-black, the centre bar blue-black, the outer edge 

 and the lower edge blue-black. The body black, with 

 two narrow pale yellow rings; the tail-tuft black, orange- 

 yellow in the middle; 'the head and thorax also black. 



The only locality for this species known at present is 

 Greenhithe, where one specimen was taken by Mr. Chant 

 in the year 1829, and another by Mr. Harding in 1846. 



