United States Bureau of Entomology. creator text dcu Washington Govt. print. off. 1909 monographic eng

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viii, 117 p. illus., XI pl. 23 cm. I. The pear thrips. By Dudley Moulton.--II. The spring canker-worm. By A. L. Quaintance.--III. The trumpet leaf-miner of the apple. By A. L. Quaintance.--IV. The lesser peach-borer. By A. A. Girault.--V. The lesser apple worm. By A. L. Quaintance.--VI. Grape root-worm investigations in 1907. By Fred Johnson.--VII. Demonstration spraying for the codling moth. By A. L. Quaintance [and others]--VIII. The grape-leaf skeletonizer. By P. R. Jones.--IX. The peach-tree bark-beetle. Papers were published separately, 1907-09. Bibliographies interspersed. Fruit Diseases and pests SB823 .A2 no. 68 United States. Bureau of Entomology. agr10001735 DLC 770509 20260227110931.0 agr10001735