73 



Localities for this species are Sheffield, Sandal Beat 

 near Doncaster, Lunn Wood, Barnsley, Epping, Bland- 

 ford, Brighton, Tenterden, Chilham, Canterbury, York, 

 Lewes, Wavendon, Black Park. Horndean, Lymington, 

 Worthing, Dartford, Worcester, Sherwood Forest, Lower 

 Guiting, Halton, Plymouth. 



The perfect insect appears in July and August. 



The caterpillar is of a whitish colour, with a wide 

 interrupted streak of brown along the back, which has 

 two large black spots on the third segment, and two 

 smaller ones on the fifth and the twelfth. 



The date of the appearance of the caterpillar is in 

 June and July. 



It feeds on the oak, the apple, the bramble, the birch, 

 and the fir. 



ORGYIA TUDIBUNDA. 



PALE TUSSOCK, HOP-DOG. 



Plate XII. Figure 3. 



THIS insect measures from rather over an inch and 

 three quarters, to a little more than two inches and 

 a quarter in width. 



Male: fore wings greyish-white powdered with pale 

 dusky-brown, with a broad bar of darker grey between 

 the first and second lines, followed by a paler streak, 

 the half line also dark grey. Hind wings grey, darker 

 towards the margin. 



Female: fore wings pale greyish- white, the first and 

 second lines darker, indicating the bar. Hind wings 

 pale greyish-white. 



