. Manual of fruit insects. , however, because theinner bark continues alive and there is no dead area between thesUts. Ceresa taurina Fitch and C. borealis Fairmaire, two formsclosely related to the buffalo tree-hopper, deposit their eggs in. Fig. 167a. — Apple twigs .showing egg-scars of the buffalo tree-hopper. the buds, A\ithin the outer bud-scales. They cause no appre-ciable injury. ReferenceN. Y. (Geneva) Agr. Exp. Sta. Tech. Bull. 17. 1910. The San Jose ScaleAsjridiotus perniciosus Comstock The San Jose scale has attained greater notoriety, has beenthe cause of more legislation, both for
. Manual of fruit insects. , however, because theinner bark continues alive and there is no dead area between thesUts. Ceresa taurina Fitch and C. borealis Fairmaire, two formsclosely related to the buffalo tree-hopper, deposit their eggs in. Fig. 167a. — Apple twigs .showing egg-scars of the buffalo tree-hopper. the buds, A\ithin the outer bud-scales. They cause no appre-ciable injury. ReferenceN. Y. (Geneva) Agr. Exp. Sta. Tech. Bull. 17. 1910. The San Jose ScaleAsjridiotus perniciosus Comstock The San Jose scale has attained greater notoriety, has beenthe cause of more legislation, both foreign and interstate, andhas demonstrated its capabilities of doing more injury to thefruit mterests of the United States and Canada than any The ease ^^^th which it is widely distributed on nurserystock, the practical impossibility of exterminating it in a locality,its enormous fecundity enabling it to often overspread the bark,leaves and fruit of trees in a very few years, and the fact that itattacks practically all deciduous fruit and ornamental plants, APPLE INSECTS 163 makes it of the greatest economic importance. No other scale-insect has ever equaled it in capacity for injury to plants. China is believed to be th
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