Vertical Distribution of Insect Pests Using Insect Towers Placed Near Potato Fields in the Lower Columbia Basin

This study was conducted at the Oregon State University Hermiston Agricultural Research and Extension Center, Hermiston, Umatilla County, OR, during the 2016 and 2017 potato, Solanum tuberosum L. (Solanales: Solanaceae), growing seasons. The objective was to determine the vertical distribution of he...

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Bibliographic Details
Published in:Journal of economic entomology 2021-02, Vol.114 (1), p.180-186
Main Authors: Shrestha, Govinda, Thompson, Ira D., Rondon, Silvia I.
Format: Article
Language:English
Subjects:
Agricultural research
Animals
Aphids
beet leafhoppers
FIELD AND FORAGE CROPS
Growing season
Hemiptera
Insect pests
Insects
Lygus
lygus bugs
Oregon
Pests
potato psyllids
Potatoes
Seasons
Solanum tuberosum
Thrips
Vegetables
Vertical distribution
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Summary:This study was conducted at the Oregon State University Hermiston Agricultural Research and Extension Center, Hermiston, Umatilla County, OR, during the 2016 and 2017 potato, Solanum tuberosum L. (Solanales: Solanaceae), growing seasons. The objective was to determine the vertical distribution of hemipteran (Bactericeracockerelli Šulc, Circulifertenellus Baker, Myzuspersicae Sulzer, Macrosiphumeuphorbiae Thomas, and Lygus spp.) and thysanopteran (Frankliniella occidentalis Pergande and Thrips tabaci Lindeman) potato pests using insect towers placed near potato fields. Towers were 8 m tall and secured to the ground with metal cables. In each tower, yellow sticky cards were mounted at 1.5 m intervals up to 7.6 m aboveground. Data were collected at 7-d intervals from mid-April until mid or end of August. This study showed that B. cockerelli, C. tenellus, M. persicae, Lygus spp., and both species of thrips were captured on sticky cards placed closest to the ground; in both years, as sticky card height increased, abundances decreased. In contrast, trapped M. euphorbiae numbers were not affected by sticky card height. To our knowledge, this is the first study in the lower Columbia Basin of Oregon that evaluated the vertical distribution of major potato pests.
ISSN:0022-0493
1938-291X
DOI:10.1093/jee/toaa263