PLATE XLY.—Arbela Tetraonis. 
Fig 1 
>> 
>5 
>5 
2 . 
3. 
4. 
} 
5) 
)> 
J 5 
5. 
6 . 
7. 
8 . 
Larva, full grown. 
Second and third abdominal segments of larva. 
Pupa. 
Ventral surface of pupa, x 6. 
Apex of abdomen of pupa x 6. 
Moth. 
Branch showing the masses of excrement and 
which it covers the bark on which it feeds. 
webbing with. 
