The walnut husk fly: Pest new in northern California found in Sonoma valley and near Santa Rosa

Michelbacher, A; Sisson, R

The walnut husk fly: Pest new in northern California found in Sonoma valley and near Santa Rosa

Authors

A. E. Michelbacher
Robert L. Sisson

Authors Affiliations

A. E. Michelbacher is Associate Professor of Entomology, University of California, Berkeley; Robert L. Sisson is Farm Advisor, University of Californk Sonoma County.

Publication Information

Hilgardia 10(5):13-13. DOI:10.3733/ca.v010n05p13. May 1956.

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Abstract

The walnut husk fly—Rhagoletis completa Cresson—was not known to exist in northern California until its discovery in a small walnut orchard near Sonoma in 1954. Because the find was made late in the fall, there was no opportunity to study the distribution of the pest in northern California that season.

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