Bui. 134, U. S. Dept. of Agriculture. 
Plate II. 
Fig. 1.— The Black Scale iSaissetia oleae) on Lemon Twig, Sicily. (Original. 
Fig. 2.— A Common Citrus Scale (Parlatoria zizyphus) on a Lemon Leaf, Sicily, 
(Original.) 
SOME SCALE INSECT ENEMIES OF CITRUS FRUITS IN SICILY. 
