Superseded by Technical bulletin no. 41.Contribution from the Bureau of Entomology."Professional paper."Caption title.Bibliography: p. 63-74.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from Bureau of Entomology and Plant Quarantine."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 4.Mode of access: Intern...
"Professional paper."Contribution from the Bureau of Entomology.Caption title.Bibliography: p. 42-43...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from Bureau of Entomology."Caption title.Bibliography: p. 34-35.Mode of access: Intern...
"Professional paper.""July, 1922."Caption title.Bibliography: p. 13-14.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper."Caption title.Bibliography: p. 11-12.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 15-16.Mode of access: In...
Caption title.Includes bibliographical references (p. 518-523).Mode of access: Internet
"Contribution from Bureau of Entomology."Caption title.Includes bibliographical references.Mode of a...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper.""October 25, 1920."Caption title.Bibliography: p. 24-25.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from Bureau of Entomology and Plant Quarantine."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 4.Mode of access: Intern...
"Professional paper."Contribution from the Bureau of Entomology.Caption title.Bibliography: p. 42-43...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from Bureau of Entomology."Caption title.Bibliography: p. 34-35.Mode of access: Intern...
"Professional paper.""July, 1922."Caption title.Bibliography: p. 13-14.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper."Caption title.Bibliography: p. 11-12.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 15-16.Mode of access: In...
Caption title.Includes bibliographical references (p. 518-523).Mode of access: Internet
"Contribution from Bureau of Entomology."Caption title.Includes bibliographical references.Mode of a...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper.""October 25, 1920."Caption title.Bibliography: p. 24-25.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from Bureau of Entomology and Plant Quarantine."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 4.Mode of access: Intern...