139 
IODIS VEBNARIA. 
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, Waveu- 
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 vitalba). 
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 
