90 
The chrysalis is found enclosed in a slight cocoon 
among leaves. 
TIONEA FORFICALIS. 
GARDEN PEBBLE. 
Plate LXXV. Figure 19. 
Localities for this common species are York, Brighton, 
Birkenhead, Charmoutk, Nafferton, Nunburnholme, 
Worcester, etc., etc., etc. 
The situations where it is found are gardens. 
The perfect insect appears in May and August. 
The caterpillar is yellowish green with a darker green 
line along the hack; the side line the same colour; the 
head and the divisions between the segments yellowish. 
The date of the appearance of the caterpillar is in 
June, July, September, and October. 
It feeds on the cabbage, horse-radish, etc. 
The chrysalis is found among leaves or the seeds of 
the plant. 
PIONEA MARGARITALIS. 
Plate LXXY. Figure 20. 
Localities for this species are Cambridge, Ranworth, 
Deal, Sandown. 
The perfect insect appears in July. 
The caterpillar is pale yellow, with a line of darker 
