. Birds of California in Relation to the Fruit Industry . etree is also true. This, however, is the sum total of the grosbeakssinning. It eats but few useful insects and practically no grain. Tooffset its fruit eating, it eats habitually and freely the black olivescale, the codling moth, and the 12-spotted diabrotica, three pests ofCalifornia fruit culture. Comparatively few complaints have beenmade against this bird by orchardists, and its depredations are notbelieved to be serious. Should it ever become so plentiful as to causeserious loss, no attempts should be made to destroy the bird, but
. Birds of California in Relation to the Fruit Industry . etree is also true. This, however, is the sum total of the grosbeakssinning. It eats but few useful insects and practically no grain. Tooffset its fruit eating, it eats habitually and freely the black olivescale, the codling moth, and the 12-spotted diabrotica, three pests ofCalifornia fruit culture. Comparatively few complaints have beenmade against this bird by orchardists, and its depredations are notbelieved to be serious. Should it ever become so plentiful as to causeserious loss, no attempts should be made to destroy the bird, but at-tention should be directed to devices for protecting the fruit, thusleaving the bird to continue its good work in the destruction of active an enemy of insect pests as is this grosbeak can not well bespared, especially in view of the possibility of an invasion of theState by the Colorado potato a For further information on the food of the grosbeak, see Bull. 32, Biological Sur-vey, Food Habits of Grosbeaks, by W. L. McAtee, Date DueDue Returned Due Returned Nnv 2 o net 3 0 ?969 MAR 2 7 1972 W\p 7 tq? ► DEC 1 4 1972 «ov 2 r y/* jJUfc 1 1 » SHf 07 TQ7» SEP i 7 198J tei V . AUG16 1984 Miihm Jilt i 1MB Jv*2 0 1985 DEEJ2HB B 3 1985 AuRk- ruHMi LIBRARY.
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