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Insect injuries to forest products

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology.
Abstract:: Reprint from Yearbook of Department of Agriculture for 1904.
Resource Type:: Journal
Full Text:: . Xyleborus celsus, in hickory wood: a, larva, b, pupa; c, adult beetle, natural size; cl, character of work

Some of the principal insect enemies of coniferous forests in the United States

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1902.
Resource Type:: Journal
Full Text:: of the same size. THE LARVA (fig. 23, b) when first hatched is a minute white grub, which increases

Some insects injurious to forests. pt. I, The locust borer

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: organs of female 11 IV U. S. D. A., B. E. But 58, Part I. F. I. I., June 18, 1906. SOME INSECTS

Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: . Station, 1899. b Dendroctonus piceaperda Hopk., Bul. 28 n. s., Div. Ent., U. S. Dept. Agric., 1901. 2

The locust borer and methods for its control

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: The locust borer and its relation to detrimental and destructive injuries to the black or yellow locust in the eastern United States have been subjects of special investigations by the Bureau of Entomology during the past two years, which have resulted in the determination of practical methods of control.
Resource Type:: Technical Report
Full Text:: ; b, same, lateral view. Line at right represents natural length (author's illustration). The larva in

Catalogue of exhibits of insect enemies of forests and forest products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: U. S. DEPARTMENT OF AGRICULTURE. DIVISION OF ENTOMOLOGY—BULLETIN

Black check in western hemlock

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: . S. Dept. Agric., Bul. 33, " The Western Hemlock," pp. 19,20,23. 1 Fm. 3.—Development of the

Powder-post injury to seasoned wood products

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Abstract:: The so-called powder-post injury to seasoned wood has attracted much attention in America, and especially in Europe for centuries, and has been the subject of published articles in many languages. This peculiar injury seems to be on the increase in the United States and numerous requests from a number of...
Resource Type:: Technical Report
Full Text:: principal construction timbers. CAUSED BY INSECTS. 44,0, *r"I' *411 b Character of the insects.—The

Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

Creator:: Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: . s., Div. Ent., U. S. Dept. Agric., 1899. THE WESTERN PINE-DESTROYING B ARKBEETLE. 21 to

The Black Hills beetle

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: destructive work of this insect is that by Prof. H. S. Graves, b in which he refers to the dying pine timber

ScholarsArchive@OSU

Insect injuries to forest products

Some of the principal insect enemies of coniferous forests in the United States

Some insects injurious to forests. pt. I, The locust borer

Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

The locust borer and methods for its control

Catalogue of exhibits of insect enemies of forests and forest products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904

Black check in western hemlock

Powder-post injury to seasoned wood products

Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

The Black Hills beetle

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