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- Description:
- Caption title.
- Author:
- Quaintance, A. L. (Altus Lacy) 1870-1958
- Subject:
- plant pests , orchards , life cycle (organisms) , Eastern tent caterpillar , Apples , Diseases and pests , insect pests , physical control , cultural control , spraying , arsenicals , natural enemies , biological control , Malacosoma californicum
- Collection:
- Organic Roots Collection
- Description:
- Caption title.
- Author:
- Quaintance, A. L. (Altus Lacy) 1870-1958 , Sasscer, E. R. (Ernest Ralph) 1883-
- Subject:
- plant pests , life cycle (organisms) , Oyster-shell scale , Scurfy scale , scale insects , insect pests , orchards , fruit trees , trees , ornamental trees , shade trees , street trees , shrubs , spraying , sulfur , horticultural oils , insecticidal soaps
- Collection:
- Organic Roots Collection
- Description:
- Caption title.
- Author:
- Chittenden, F. H. (Frank Hurlbut) 1858-1929 , Quaintance, A. L. (Altus Lacy) 1870-1958
- Subject:
- life cycle (organisms) , Rose-chafer , viticulture , vineyards , fruit growing , ornamental horticulture , insect pests , cultural control , physical control , arsenicals , trapping , spraying , Macrodactylus subspinosus , netting
- Collection:
- Organic Roots Collection
