165 
The perfect insect appears in June and July. 
The caterpillar is pale dull green, with a dark line 
along the back, the second segment with four black 
spots. 
The date of the appearance of the caterpillar is in 
August and September. 
It feeds on the mountain ash. 
OKNIX GUTTELLA. 
Plate CXVII. Figure 20. 
Localities for this species are York, Scarborough, 
Lewes, Tenterden, Pembury, Bristol, Birkenhead, Cam¬ 
bridge, Darlington, Kingsbury. 
The situations where it is found are among apple 
trees. 
The perfect insect appears in May and June. 
The caterpillar is yellowish, with a dark green line 
along the back, the second segment with four small 
brown dots and two larger ones ; the head brownish 
black. 
The date of the appearance of the caterpillar is in 
July and August. 
It feeds on apple leaves turned down. 
VOL. IV. 
