174 
TETHEA RETUS A. 
DOUBLE KIDNEY. 
Plate LX. Figure 2. 
Localities for this species are York, Brighton, Bowdon, 
Cambridge, Black Park, Tenterden, Arundel, Wavendon, 
and Worcester. 
The perfect insect appears in August and September. 
The caterpillar is green, with a whitish line along the 
back, and another of the same colour on either side of it; 
the side line also whitish. 
The date of the appearance of the caterpillar is in May. 
It feeds on the sallow and the poplar. 
EUPERIA FULYAGO. 
ANGLE STRIPED SALLOW. 
Plate LX. Figure 3. 
Localities for this species are Carlisle, Sherwood Forest, 
and Lewisham. 
The situations where it is found are birch woods. 
The perfect insect appears in August. 
The caterpillar is pale green or greyish, with a white 
line along the back, and another of the same colour on 
either side of it; the side line whitish, edged above 
with black; the spots whitish. 
The date of the appearance of the caterpillar is in J une. 
It feeds on the oak and the birch. 
The chrysalis is found on the surface of the earth 
