INJURIOUS AND BENEFICIAL INSECTS OF CALIFORNIA. 



183 



the foliage, and the fruit is rendered unfit for market. Large limbs 

 and entire trees may even be killed by their attacks. 



Distribution. — The red scale occurs throughout the southern citrus 

 belt, and is particularly bad in sections of San Diego, Orange, Los 

 Angeles, Riverside, San Bernardino and Santa Barbara counties. 



Fig. 160. — The red scale, Chrvsomphalus auruntii Mask., on twig and leaf 

 of orange. Enlarged twice. (Original i 



Food Plants.— Acacia, aloe, apple, bread-fruit (Artocarpus) , box- 

 elder, boxwood, citron, coconut, eucalyptus, Euonymus, fig, fuchsia, 

 golden rod, grape, grapefruit, Kennedya, lemon, Lignum vita, bur- 

 marigold, nightshade, oak, olive, orange, trifoliate orange, palm, Cali- 



