NDLI: A Seasonal Survey of Click Beetles in Two Potato Production Areas of Interior Alaska

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A Seasonal Survey of Click Beetles in Two Potato Production Areas of Interior Alaska

Content Provider	Springer Nature Link
Author	Pantoja, Alberto Hagerty, Aaron M. Emmert, Susan Y.
Copyright Year	2010
Abstract	Wireworms are becoming more of a problem in potato [Solanum tuberosum (L.)] producing areas, especially where potatoes are seasonally rotated with grasses, like in interior Alaska. The objective of this research was to study the species composition and seasonal biology of adult elaterids (Coleoptera: Elateridae) associated with potato production at two localities in interior Alaska: Fairbanks (N64.85°, W147.85°) and Delta Junction (N64.04°, W145.73°). A total of 1,329 elaterids were collected during the years 2006 and 2008. Ninety-three percent of the total number of specimens were either Hypnoidus bicolor (Eschscholtz) (29%) or Limonius pectoralis (LeConte) (64%). However, adult insect counts reversed between localities; 84% individuals from Delta Junction were H. bicolor, whereas 91% of the individuals from Fairbanks were L. pectoralis. The species composition was also different between localities. Five species were collected from the Delta Junction area, while seven species were collected from the Fairbanks area. The highest insect count observed was 62 adult L. pectoralis per 14-day sampling period on May 30 in the Fairbanks area. In spite of the highest insect trap catch recorded, insect counts in Fairbanks remained below 0.2 insects per trap per 14-day sampling period during most of the season. In the Delta Junction area, L. pectoralis was collected from late May until mid August with a population peak of 12 insects per trap per 14-day sampling period. Adult elaterid counts start to build up and end activities earlier in Fairbanks as compared to Delta Junction. This represents the first long term report on species diversity of elaterids in potatoes from interior Alaska. In addition, this is the first time elaterids have been shown associated with potatoes in Delta Junction, Alaska.Los gusanos alambre surgen como un problema en aéreas de producción de papa [Solanum tuberosum (L.)], especialmente cuando la papa se siembra en rotación con pasturas, como en el interior de Alaska. El objetivo de este trabajo fue estudiar las especies y la dinámica poblacional de elateridos adultos (Coleóptera: Elateridae) relacionados a la producción de papa en dos localidades del interior de Alaska: Fairbanks (N64.85°, W147.85°) y Delta Junction (N64.04°, W145.73°). Se colectaron un total de 1,329 elateridos durante los años 2006 y 2008. Noventa y tres por ciento del total de los especímenes colectados pertenecen a una de dos especies, Hypnoidus bicolor (Eschscholtz) (29%) o Limonius pectoralis (LeConte) (64%). Sin embargo, las densidades de insectos se invierten entre localidades; 84% de los especímenes en Delta Junction pertenecen a H. bicolor, mientras que 91% de los especímenes en Fairbanks fueron L. pectoralis. La composición de especies fue también diferente entre localidades. Cinco especies fueron colectadas en el área de Delta Junction, mientras que siete especies fueron recuperadas del área de Fairbanks. La mayor cantidad de insectos observada fue 62 L. pectoralis adultos por 14 días para la fecha de mayo 30 en la localidad de Fairbanks. A pesar de la alta cantidad de insectos observada en Fairbanks, el número de insectos se mantuvo por debajo de 0.2 insectos por trampa por cada 14-dias durante casi toda la temporada. En el área de Delta Junction, L. pectoralis fue colectado desde el final de mayo hasta mediados de agosto, con un pico poblacional de 12 insectos por trampa cada 14-dias. Los conteos de elateridos adultos empiezan a aumentar y terminan actividad de vuelo más temprano en Fairbanks que en Delta Junction. Este representa el primer estudio de largo plazo sobre diversidad insectil de elateridos asociados a la papa en el interior de Alaska. Adicionalmente, este reporte representa la primera vez que se relaciona la presencia de elaterios con papa en Delta Junction, Alaska.
Starting Page	531
Ending Page	536
Page Count	6
File Format	PDF
ISSN	1099209X
Journal	American Potato Journal
Volume Number	87
Issue Number	6
e-ISSN	18749380
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-08-20
Publisher Institution	Potato Association of America
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Click beetles Elateridae Potato Alaska Biodiversity Traps Fairbanks Delta Junction Plant Pathology Plant Breeding/Biotechnology Plant Genetics & Genomics Agriculture Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Agronomy and Crop Science

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