10 Farmers’ Bulletin 1257. 
midrib and lateral veins, the leaves later turning brown and shrivel- 
ing. In severe cases the entire lower surface of the leaf is infested, 
and the larvee seek the upper surface of the foliage, where they com- 
mence to feed. Thus the function of the leaf is entirely destroyed 
and often the leaves dry up and fall (fig. 4). In feeding, this thrips 
excretes over the surface of the infested leaves small spots of a 
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ic. 5.—The red-banded thrips: 1, Adult female ; 2, full-grown larva; 3, prepupa; 4, pupa. 
(Russell. ) 
reddish fluid, which harden and turn black. The species has not 
been observed to attack the fruit. 
DESCRIPTION AND SEASONAL HISTORY. 
The egg.—The egg is oval in shape, transparent, and averages 
approximately one-ninetieth inch in length. The eggs are inserted 
