3ul. 616, U. S. Dept. of Agriculture 



Plate I. 



Characteristic Damage by the Citrus Thrips (Scirtothrips citri). 



Fig. 1. — Typical citrus thrips scabbing on young oranges. (Natural size.) Fig. 2. — Unusual form of 

 thrips injury on rough orange. Fig. 3. — Splitting of young oranges due to thrips injury. (Original.) 



