Te 
Remedies.—The appearance of a leaf folded by a larva of this insect 
renders its detection easy, and if the vines are gore over and the 
larvee crushed in the folded leaves early in the season when they are 
few in number, allowing none to escape, later damage may be almost 
entirely prevented. If the vines are sprayed with arsenicals for other 
leaf-eating insects, the treatment will destroy all larve folding leaves 
soon thereafter, but not those already present. The ease with which 

Fia. 10.—Philampelusachemon. a,moth; b,egg; c, young larva; d, mature larva; e, pupa; f, para- 
sitized larva—all natural size (original). 
this insect may be destroyed by hand makes it hardly advisable to 
spray for it alone, and after the grapes have become well formed later 
in the summer it is no longer safe to spray with arsenicals. Aside 
from hand picking at this time there is nothing to be done except to 
adopt measures which will afford protection the following year. These 
consist in the collection and burning of all fallen foliage as promptly as 
possible in autumn to destroy the hibernating larve and chrysalides, 
Far. bull, 70 2 

