Settling and Ovipositional Behavior of Bactericera cockerelli (Hemiptera: Triozidae) on Solanaceous Hosts Under Field and Laboratory Conditions

Journal of Economic Entomology
Jenita ThinakaranD C Henne

Abstract

Potato psyllid, Bactericera cockerelli (Šulc), is a seasonal insect pest in the Lower Rio Grande Valley of Texas, where it transmits the bacterial pathogen "Candidatus Liberibacter solanacearum" that causes zebra chip disease of potato. Studies were conducted to evaluate host preference of B. cockerelli adults for different plant species, and plant size and density. Settling and oviposition behavior of B. cockerelli was studied on its wild and cultivated solanaceous hosts, including potato, tomato, pepper, eggplant, and silverleaf nightshade, under both field and laboratory conditions. Naturally occurring B. cockerelli were used to evaluate host preference under open field conditions throughout the growing season. Settling and oviposition preference studies in the laboratory were conducted as cage-release experiments using pairs of plants, and observations were recorded over a 72-h period. Results of field trials indicated that naturally occurring B. cockerelli preferred potato and tomato equally for settling and oviposition, but settled on pepper, eggplant, and silverleaf nightshade only in the absence of potato and tomato. Under laboratory conditions, B. cockerelli adults preferred larger host plants, regardless of the specie...Continue Reading

Citations

Mar 14, 2001·Trends in Ecology & Evolution·P J. Mayhew
Feb 16, 2002·Journal of Theoretical Biology·Stuart A West, J P Cunningham
Jan 10, 2012·Journal of Evolutionary Biology·J P Cunningham
Mar 1, 2009·Plant Disease·Lia W LieftingGerard R G Clover

Related Concepts

Study
Size
Laboratory Studies
Eggplant extract
Pathogenic Organism
Bactericera cockerelli
Nymph
Candidatus Liberibacter solanacearum
Tomatoes
Laboratory

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