Insect enemies of western forests /

Includes indexes.

4-H club insect manual /

Issued also in mimeographed form as Extension service circular no. 254, Jan. 1937.

4-H Club insect manual.

Mode of access: Internet.

4-H Club insect manual /

Contribution from Extension Service.

A classification of the scale insect genus Asterolecanium /

Contribution from Bureau of Entomology and Plant Quarantine.

Population models to appraise the limitations and potentialities of Trichogramma in managing host insect populations

Includes bibliographical references.

Developments of an insect-resistant cotton bag /

Literature cited: p. 17.

Relative efficiency of various genetic mechanisms for suppression of insect populations /

Issued May 1976.

Insect-resistant textile bags : new construction and treatment techniques /

Issued Sept. 1975.

Cotton insect populations : development and impact of predators and other mortality factors /

Cover title.

Locust and other insect control in technical cooperation programs in the Near East, South Asia, and Africa, 1951-57 : a report of the regional insect control project.

"Issued August 1958."

Distribution of insect pests in cottonfields

Mode of access: Internet.

The potential for genetic suppression of insect populations by their adaptations to climate

Bibliography: p. 10.

Association of plant hairs and insect resistance : an annotated bibliography /

"September 1975."

The production of correct speech sounds; a practical text on phonetics,

Mode of access: Internet.