Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Characters, distribution, and food plants of leafhopper vectors of virus causing Pierce’s disease of grapevines

Authors

Dwight M. Delong
Henry H. P. Severin

Authors Affiliations

Dwight M. Delong was Professor of Entomology, Ohio State University, Columbus, Ohio; Henry H. P. Severin was Entomologist in the Experiment Station.

Publication Information

Hilgardia 19(6):171-186. DOI:10.3733/hilg.v19n06p171. April 1949.

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Abstract

Distinguishing characters, especially genitalia, are given for the following vectors:

Helochera delta Oman

Carneocephala fulgida Nottingham

Draeculacephala minerva Ball

Neokolla circellata (Baker)

Neokolla confluens var. pacifica n. var.

Neokolla severini DeLong

Pagaronia confusa Oman

Pagaronia 13-punctata Ball

Pagaronia triunata Ball

Priscenus friscanus (Ball)

Differences in genitalia distinguish Neokolla confluens var. pacifica from N. confluens. All ten vectors occur in California; several of them have been reported only from this state. The usual food plants of most of them are grasses, though some have been collected on Vinca spp., some on various weeds, and Neokolla circellata on grapevine and other woody plants.

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Delong D, Severin H. 1949. Characters, distribution, and food plants of leafhopper vectors of virus causing Pierce’s disease of grapevines. Hilgardia 19(6):171-186. DOI:10.3733/hilg.v19n06p171
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