LLUSTRATIONS. 



PLATES. 



Page. 

 Plate I. Fig. 1. — Young oranges showing injury by the orange thrips (Euthrips 

 citri). Fig. 2. — Young oranges showing injury to stem and blossom 



ends by the orange thrips .• 4 



II. Mature oranges showing injury due to the orange thrips 4 



III. Orange foliage showing curled and distorted condition of leaves due 



to work of the orange thrips 4 



IV. Leaves of mango injured by the red-banded thrips (Eeliothrips 



rubrodnctus) 20 



V. The red-banded thrips (Heliothrips rubrocinctus): Fig. 1. — Adult 

 female. Fig. 2. — Full-grown larva. Fig. 3. — Prepupa. Fig. 4. — 

 Pupa 24 



TEXT FIGURES. 



Fig. 1. Diagram illustrating the relative abundance of orange thrips on oranges, 



on orange foliage, and on other plants during the season 7 



2. Power spraying outfit in use in spraying for the orange thrips 14 



ERRATA. 



Page 17, line 4 from bottom, after Marchal strike out Craw. 

 Page 17, Line 9 from bottom, for Physophus read Physopits. 



Page 18, line 19 from bottom; page 21, line 3; page 28. lines 7 and 10 from bottom; 

 page 29, lines 11, 13, 15, 19, 33, for Phjsopkm read Physopus. 

 Page 28, lines 7 and 10 from bottom, for rubrocinctus read rubrocincta. 



IV 



