NDLI: Leafhoppers (Homoptera: Cicadellidae) Associated with Potatoes in Alaska: Species Composition, Seasonal Abundance, and Potential Phytoplasma Vectors

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Leafhoppers (Homoptera: Cicadellidae) Associated with Potatoes in Alaska: Species Composition, Seasonal Abundance, and Potential Phytoplasma Vectors

Content Provider	Springer Nature Link
Author	Pantoja, Alberto Hagerty, Aaron M. Emmert, Susan Y. Munyaneza, Joseph E.
Copyright Year	2008
Abstract	Leafhopper transmitted phytoplasma diseases are an emerging problem for potato and vegetable producers in the conterminous US. Due to its geographical isolation and climatic constraints, Alaska is considered relatively free of diseases and insect pests; therefore growers in the state are exploring the potential of producing seed potato for export. However, the biology of agricultural insect pests in the circumpolar region is lacking or poorly understood. Research conducted from 2004 to 2006 in the main potato (Solanum tuberosum L.) production areas of Alaska resulted in the identification of 41 leafhopper species associated with agricultural settings. Twenty species were identified from sweep net samples and adhesive cards in association with potato. Two species, Davisonia snowi (Dorst) and Macrosteles fascifrons (Stål), made up approximately 60% of the total number of individuals collected, representing 34 and 26%, respectively. Both species, M. fascifrons and D. snowi generally arrived in fields by late May to early June and numbers peaked by late June to July, but in all years M. fascifrons populations peaked earlier than D. snowi. Twenty-three percent of the specimens were immature or could not be identified. Three of the species collected [Balclutha punctata (Fabricius), M. fascifrons, and Scaphytopius acutus (Say)] are known vectors of phytoplasmas of potatoes and other agricultural crops or have the potential to cause mechanical damage to potatoes. This report represents the first extensive study of cicadellids from potatoes in Alaska.Las enfermedades causadas por fitoplasmas trasmitidas por saltahojas son un problema emergente para los productores de hortalizas en los Estados Unidos de América. Debido a su ubicación geográfica y restricciones climáticas, Alaska es considerada relativamente libre de plagas; por tal razón los productores de papa en el estado exploran la posibilidad de producir semilla de papa para exportación. Sin embargo, la biología de las plagas agrícolas en las zonas circumpolares es poco conocida o inexistente. Investigación realizada de 2004 al 2006 en las áreas de mayor producción de papa (Solanum tuberosum L.) en Alaska resultó en la identificación de 41 especies de saltahojas asociadas a sistemas agrícolas. Veinte especies fueron identificadas de muestras capturadas con red entomológica y trampas adhesivas en asociación al cultivo de la papa. Dos especies, Davisonia snowi (Dorst) y Macrosteles fascifrons (Stål) constituyeron aproximadamente el 60% del total de especimenes capturadas, representando el 34 y 26%, respectivamente. Ambas especies, M. fascifrons y D. snowi, generalmente aparecieron en los campos a final de Mayo o inicio de Junio y alcanzaron su mayor número a final de Junio o inicio de Julio, pero en todos los años las poblaciones de M. fascifrons alcanzaron su punto máximo antes que D. snowi. Veintitrés por ciento de los especimenes fueron insectos inmaduros o no pudieron ser identificados. Tres de las especies recolectadas [Balclutha punctata (Fabricius), M. fascifrons, y Scaphytopius acutus (Say)] son vectores de fitoplasmas de la papa y de otros cultivos o tienen el potencial de causar daño mecánico a la papa. Este reporte representa el primer estudio intensivo de los cicadélidos de la papa en Alaska.
Starting Page	68
Ending Page	75
Page Count	8
File Format	PDF
ISSN	1099209X
Journal	American Potato Journal
Volume Number	86
Issue Number	1
e-ISSN	18749380
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-12-31
Publisher Institution	Potato Association of America
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cicadellidae Phytoplasma vectors Potato Leafhoppers Agriculture Population dynamics Alaska Plant Pathology Plant Breeding/Biotechnology Plant Genetics & Genomics Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Agronomy and Crop Science

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