Interhaplotype Fertility and Effects of Host Plant on Reproductive Traits of Three Haplotypes of Bactericera cockerelli (Hemiptera: Triozidae)

Environmental Entomology
T MustafaJoseph E Munyaneza


Potato psyllid, Bactericera cockerelli (Šulc) (Hemiptera: Triozidae), is a serious pest of solanaceous crops in North and Central America and New Zealand. This insect vectors the bacterium that causes zebra chip disease of potato (Solanum tuberosum L.). Four distinct genetic populations, or haplotypes, of B. cockerelli have been identified. Three of the haplotypes may co-occur in potato fields in the Pacific Northwest of United States. Solanaceous weeds, including the perennial Solanum dulcamara (bittersweet nightshade), may provide refuge for psyllid populations which then migrate to potato crops. This study tested whether fecundity, fertility (% egg hatch), and adult longevity of potato psyllid were affected by host plant (S. dulcamara or potato) and whether these reproductive traits were similar among the three haplotypes that are most common in the Pacfic Northwest: Northwestern, Central, and Western. We hypothesized that the locally resident haplotype (Northwestern), which is known to overwinter extensively on S. dulcamara, would show relatively higher fitness on nightshade than the other two haplotypes. Fecundity differed significantly among haplotypes, with an average lifetime fecundity of 1050, 877, and 629 eggs for Nor...Continue Reading


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May 3, 2014·Journal of Insect Science·Pan WangXiao-Ping Wang
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Related Concepts

Crops, Agricultural
Bactericera cockerelli
Genus Solanum
Infertility Study
Cessation of Life
Sperm Cell
Solanum tuberosum

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