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Ragwort flea beetle established for biological control of tansy ragwort in Northern California

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Authors

Kenneth E. Frick, U. S. Department of Agriculture, Agricultural Research Service, Albany, California

Publication Information

California Agriculture 24(4):12-13.

Published April 01, 1970

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Abstract

Abstract Not Available – First paragraph follows: THE RAGWORT FLEA BEETLE, an insect from Europe that attacks the root crowns of tansy ragwort, Senecio jacobaea L., has been released near Fort Bragg and at Smith River, California. This insect, Longitarsus jacobaeae (Waterhouse), will supplement the earlier liberations by the Biological Control of weeds Investigations Laboratory, ARS, USDA, Albany of two other insects: the cinnabar moth, Tyria jacobaeae (L.), which feeds on the foliage, and the seed head fly, Hylemya seneciella (Meade), which attacks the seed in the flower heads (california agriculture, December 1969).

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Author notes

Cooperating in these studies were L. A. Andres, Research Entomologist and Project Leader, and R. B. Hawkes, Research Entornologist, USDA, ARS, Albany, California—both Associates in the Agricultural Experiment Station; A. Rizza, Laboratory Technician, USDA, ARS, Rome, Italy; A. Mayfield and G. R. Johnson, Agricultural Research Technicians, USDA, ARS, Albany, California. The graph and photograph were furnished by G. R. Johnson.

Ragwort flea beetle established for biological control of tansy ragwort in Northern California

Kenneth E. Frick
Webmaster Email: wsuckow@ucanr.edu

Ragwort flea beetle established for biological control of tansy ragwort in Northern California

Share using any of the popular social networks Share by sending an email Print article
Share using any of the popular social networks Share by sending an email Print article

Authors

Kenneth E. Frick, U. S. Department of Agriculture, Agricultural Research Service, Albany, California

Publication Information

California Agriculture 24(4):12-13.

Published April 01, 1970

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Abstract Not Available – First paragraph follows: THE RAGWORT FLEA BEETLE, an insect from Europe that attacks the root crowns of tansy ragwort, Senecio jacobaea L., has been released near Fort Bragg and at Smith River, California. This insect, Longitarsus jacobaeae (Waterhouse), will supplement the earlier liberations by the Biological Control of weeds Investigations Laboratory, ARS, USDA, Albany of two other insects: the cinnabar moth, Tyria jacobaeae (L.), which feeds on the foliage, and the seed head fly, Hylemya seneciella (Meade), which attacks the seed in the flower heads (california agriculture, December 1969).

Full text

Full text is available in PDF.

Author notes

Cooperating in these studies were L. A. Andres, Research Entomologist and Project Leader, and R. B. Hawkes, Research Entornologist, USDA, ARS, Albany, California—both Associates in the Agricultural Experiment Station; A. Rizza, Laboratory Technician, USDA, ARS, Rome, Italy; A. Mayfield and G. R. Johnson, Agricultural Research Technicians, USDA, ARS, Albany, California. The graph and photograph were furnished by G. R. Johnson.


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