Captures of Bactericera cockerelli (Šulc) (Hemiptera: Triozidae) Adults Affected by the Presence of Volunteer Potatoes (Solanum tuberosum L.)

  • Matthew L. Klein
  • Silvia I. RondonEmail author


The potato psyllid, Bactericera cockerelli (Šulc) (Hemiptera: Triozidae), is a key potato (Solanum tuberosum L.) pest that has the ability to vector the plant pathogenic bacterium Candidatus Liberibacter solanacearum (Lso), the putative causal agent of zebra chip disease of potato. The insect primarily feeds and completes its life cycle on Solanaceous crops and weeds; however, in the Columbia Basin of Oregon and Washington, B. cockerelli has been found in association with crops such as maize (Zea mays L.) and wheat (Triticum spp), both belonging to the Poaceae family. We hypothesize that this is due to the presence of volunteer potato; in this region, the potato crop is in a 3-yr rotation with either maize or wheat. Consequently, we evaluated potato, maize, wheat, maize + volunteer potato, wheat + volunteer potato on captures of B. cockerelli adults in a 2-year field experiment using an inverted leaf blower and yellow sticky cards. Data collected in this study confirms that B. cockerelli has an affinity for potato, although, B. cockerelli could be found in maize and wheat mainly when volunteer potatoes were present. In addition, B. cockerelli counts varied depending if using inverted leaf blower or yellow sticky cards. Knowing that B. cockerelli is found in fields where volunteer potatoes are present, it should be taken into consideration for large-scale potato psyllid management.


Bacteria Distribution Insect Management Psyllids Zebra chip 


El psílido de la papa, Bactericera cockerelli (Šulc) (Hemiptera: Triozidae), es una plaga clave de la papa (Solanum tuberosum L.), que tiene la habilidad de ser vector de la bacteria fitopatógena Candidatus Liberibacter solanacearum (Lso), el propuesto agente causal de la enfermedad de la papa rayada de la papa. El insecto se alimenta primeramente, y completa su ciclo de vida, en cultivos y malezas de Solanáceas; no obstante, en la rivera del Columbia en Oregon y Washington, a B. cockerelli se le ha encontrado en asociación con cultivos tales como el maíz (Zea mays L.) y trigo (Triticum spp), ambos pertenecientes a la familia Poaceae. Tenemos la hipótesis de que esto se debe a la presencia de papa residual; en esta región, el cultivo de la papa está en rotación de tres años, ya sea con maíz o trigo. En consecuencia, evaluamos papa, maíz, trigo, maíz + papa residual, trigo + papa residual, en la captura de adultos de B. cockerelli en un experimento de campo de dos años, usando una sopladora de hojas invertida y tarjetas amarillas con pegamento. Los datos colectados en este estudio confirman que B. cockerelli tiene una afinidad por la papa, aunque B. cockerelli pudo encontrarse en maíz y trigo, principalmente cuando las papas residuales estaban presentes. Además, las cantidades de B. cockerelli variaron dependiendo si se usaba la sopladora de hojas invertida o las tarjetas amarillas con pegamento. Sabiendo que B. cockerelli se encuentra en campos donde las papas residuales están presentes, se debería tomar en consideración para el manejo del psílido de la papa a gran escala.



The authors are grateful to Mr. Ira Thompson and his 2014 and 2015 field crew for helping with the fieldwork. This work was partially supported by the Oregon State University Irrigated Agricultural Research Rondon Program, and the Oregon Potato Commission. M.L. Klein was supported by the NIFA Grant 2012-04150. Thanks to Dr. J. Atkins (Syngenta) and G. Harris and A. Haguewood (RDO) for providing pesticides and seeds for our experiments.


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Copyright information

© The Potato Association of America 2019

Authors and Affiliations

  1. 1.Hermiston Agricultural Research CenterOregon State UniversityHermistonUSA
  2. 2.CorvallisUSA

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