139 



I GDIS VERNARIA. 



SMALL EMERALD. 

 Plate XXII. Figure 3. 



THIS insect measures from a little over an inch and a 

 quarter to about an inch and a half in width. 



Male : fore wings pale green, the first line whitish but 

 rather indistinct and curved, second line also whitish, 

 nearly straight, but a little bent near the upper margin. 

 Hind wings with one slender white streak bent in the 

 middle near the outer part. The antennae are pectinated. 



Localities for this species are Black Park, Brighton, 

 Lewes, Stowmarket, Bristol, Sudbury, Newnham, Waven- 

 don, Worthing, Cambridge. 



The perfect insect appears in July. 



The caterpillar is green, with a white line on either 

 side of the back, and another on the sides. 



The date of the appearance of the caterpillar is in 

 September. 



It feeds on the clematis (Clematis mtalba). 



The chrysalis is placed in a cocoon among leaves. 



IODIS LACTEARIA. 



LEAST EMERALD. 

 Plate XXII. Figure 4. 



THIS insect measures from a little under an inch to 

 an inch in width. 



Male: fore wings most delicate very pale green; first 

 line whitish but scarcely visible; second line also whitish 



