802 



PTEROPHORUS SPILODACTYLUS. 

 Plate CXXXII. Figure 23. 



Localities for this species are Brighton, and the Isle of 

 Wight. 



The perfect insect appears in July. 



The date of the appearance of the caterpillar is in 

 May and June. 



It feeds on the horehound., (MarruMum vulgare.) 



PTEROPHORUS BALIODACTYLUS. 

 Plate CXXXII. Figure 24,. 



Localities for this species are Lewes, Folkestone, Bristol, 

 Mickleham, etc. 



The situations where it is found are chalk pits and gravel 

 pits. 



The perfect insect appears in July. 



PTEROPHORUS TETRADACTYLUS. 

 Plate CXXXII. Figure 25. 



Localities for this species are York, Scarborough, 

 Lewes, Llanferras, Howth, Isle of Man, Scoot Scar, 

 Witherslack, Alkham, Bristol, Cambridge, Darlington, 

 Newcastle-on-Tyne. 



The situations where it is found are places " whereon 

 the wild thyme grows. 



