15 
The caterpillar is whitish yellow, the spots blackish. 
The date of the appearance of the caterpillar is in 
February, March, April, and May. 
It feeds in the stems of grass. 
PIIYGAS BISONTELLA. 
Plate XCVIII. Figure 6. 
Localities for this species are Market Harborough, 
Bristol, Newcastle-on-Tyne, Manchester, Kingsbury, 
Cambridge. 
The situations where it is found are heathy places. 
The perfect insect appears in July. 
PIIYGAS VACULELLA. 
Plate XCVIII. Figure 7. 
Localities for this species are Leatherhead, Darling¬ 
ton, Manchester. 
The situations where it is found are in thorns. 
The perfect insect appears in July. 
It feeds on the willow and the oak. 
SCARDIA CHORARGELLA. 
Plate XCVIII. Figure 8. 
Localities for this species are the New Forest, and 
Epping Forest. 
