Behavioral Model for &lt;I&gt;Homalodisca vitripennis&lt;/I&gt; (Hemiptera: Cicadellidae): Optimization of Host Plant Utilization and Management Implications

Mizell, rd Rf; Tipping, Christopher; Andersen, P. C.; Brodbeck, Brent V.; Hunter, W. B.; Northfield, Tobin D.

doi:10.1603/0046-225x(2008)37[1049:bmfhvh]2.0.co;2

Cited by 25 publications

(22 citation statements)

References 75 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For example, Lessio et al (2009) hypothesized that gender may have important effects on the spread of a phytoplasma of grapevine by Scaphoideus titanus Ball (Hemiptera: Cicadellidae) due to variation in male and female activity levels during the year. With regard to H. vitripennis, Mizell et al (2008) reported gender differences in the behavior of male and female H. vitripennis during mating and courtship. SpeciÞcally, male H. vitripennis were more active than female H. vitripennis from dusk until dark.…”

Section: Discussionmentioning

confidence: 99%

Effects of Gender, Origin, and Age on Transmission ofXylella fastidiosato Grapevines byHomalodisca vitripennis(Hemiptera: Cicadellidae)

Krugner

Sisterson

Lin

2012

Annals of the Entomological Society of America

View full text Add to dashboard Cite

Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) is an invasive vector of Xylella fastidiosa, the causal agent of Pierce's disease of grapevines (Vitis vinifera L.). Transmission efficiency of X. fastidiosa to grapevines by H. vitripennis originating from two geographically separated populations in California (Riverside and Bakersfield) based on gender and age was evaluated. To evaluate transmission efficiencies among groups, insects were given a 96-h acquisition access period on infected grapevines and caged in groups of five on healthy grapevines for a 72-h inoculation access period. At the conclusion of tests, polymerase chain reaction determined that a mean ± SD of 0.98 ± 1.02 X. fastidiosa-positive H. vitripennis were present on each grapevine and that 29% of test plants were infected. Acquisition and retention of X. fastidiosa was not affected by vector origin, gender, or age. The probability that a grapevine was infected 12 wk after the inoculation access period increased with the number of X. fastidiosa-positive H. vitripennis per plant. Gender had no effect on inoculation success and main effects of insect origin and age on inoculation success were minor. Collectively, the result indicated that H. vitripennis origin, gender, and age did not affect acquisition and retention of X. fastidiosa and had only minor effects on inoculation success under laboratory conditions. Accordingly, rates of pathogen spread in the field are more likely to be affected by local biotic and abiotic factors that differentially affect H. vitripennis abundance and movement based on origin, gender, and age than inherent differences in transmission efficiencies among these groups.

show abstract

Section: Discussionmentioning

confidence: 99%

Effects of Gender, Origin, and Age on Transmission ofXylella fastidiosato Grapevines byHomalodisca vitripennis(Hemiptera: Cicadellidae)

Krugner

Sisterson

Lin

2012

Annals of the Entomological Society of America

View full text Add to dashboard Cite

show abstract

“…Hewitt et al 1946;Purcell 1976;Mizell et al 2008). Host switching has been proposed to be a behavior that has evolved in sharpshooters as a means to obtain essential nutrients for somatic maintenance and reproduction from the poor nutritional content of xylem sap (Andersen et al 1992;Redak et al 2004;Mizell et al 2008).…”

Section: Discussionmentioning

confidence: 99%

“…Due to the poor nutritional content of the xylem-sap (Andersen et al 1992;Mizell et al 2008), sharpshooter vectors spend from 1 to several hours continuously ingesting xylem-sap (Almeida and Backus 2004;Backus et al 2005), which consists of more than 98% water and very low concentrations of carbohydrates (Mizell et al 2008). Homalodisca vitripennis (Germar), for example, consumes between 10 and 100 times its dry body-weight hourly (see Redak et al 2004).…”

Section: Introductionmentioning

confidence: 99%

Background matching behaviour and pathogen acquisition: plant site preference does not predict the bacterial acquisition efficiency of vectors

Rashed

Killiny

Kwan

et al. 2010

Arthropod-Plant Interactions

View full text Add to dashboard Cite

Many insect-borne pathogens are heterogeneously distributed within their hosts: therefore, a vector's within-plant distribution may be a predictor of its exposure to pathogens. In this study, we set out to quantify plant site preference, in the context of background matching, and investigated its effect on acquisition of a bacterial pathogen by its leafhopper vectors. The two green-coloured species, Graphocephala atropunctata and Draeculacephala minerva, preferred green plant tissue and artificial backgrounds whereas the brown-coloured Homalodisca vitripennis preferred brown stem tissue and backgrounds. Within-plant feeding site did not predict either the acquisition success or the number of plant-pathogenic Xylella fastidiosa cells acquired by the vectors; an 86% mortality for G. atropunctata was reported on the lignified stem tissue. Overall, H. vitripennis acquired significantly more cells than G. atropunctata. A novel artificial diet-based transmission system was used to further illustrate that the observed between-species difference in the number of cells acquired was independent of vector-host plant interactions. H. vitripennis, a less efficient vector of the bacterium X. fastidiosa on grapevines, acquired more bacterial cells than G. atropunctata, possibly due to its larger size. Contrary to previous assumptions, pathogen acquisition efficiency by the vectors did not explain their reported differences in inoculation. Vector interactions with the host during the inoculation stage should be evaluated as another determinant of X. fastidiosa transmission efficiency.

show abstract

“…Analytical models have also been developed for the spread of citrus canker (13), but models for vector-transmitted bacterial pathogens are still preliminary (14). Some existing vector-borne plant disease models have been used as experimental tools with which to investigate the relative effects of management practices on the spread of diseases (10) and of different modes of virus transmission on epidemic development (15).…”

mentioning

confidence: 99%

Modeling huanglongbing transmission within a citrus tree

Chiyaka

Singer

Halbert

et al. 2012

Proc. Natl. Acad. Sci. U.S.A.

View full text Add to dashboard Cite

The citrus disease huanglongbing (HLB), associated with an uncultured bacterial pathogen, is threatening the citrus industry worldwide. A mathematical model of the transmission of HLB between its psyllid vector and citrus host has been developed to characterize the dynamics of the vector and disease development, focusing on the spread of the pathogen from flush to flush (a newly developing cluster of very young leaves on the expanding terminal end of a shoot) within a tree. This approach differs from that of prior models for vector-transmitted plant diseases where the entire plant is the unit of analysis. Dynamics of vector and host populations are simulated realistically as the flush population approaches complete infection. Model analysis indicates that vector activity is essential for initial infection but is not necessary for continued infection because infection can occur from flush to flush through internal movement in the tree. Flush production, withintree spread, and latent period are the most important parameters influencing HLB development. The model shows that the effect of spraying of psyllids depends on time of initial spraying, frequency, and efficacy of the insecticides. Similarly, effects of removal of symptomatic flush depend on the frequency of removal and the time of initiation of this practice since the start of the epidemic. Within-tree resistance to spread, possibly affected by inherent or induced resistance, is a major factor affecting epidemic development, supporting the notion that alternate routes of transmission besides that by the vector can be important for epidemic development.greening | Candidatus Liberibacter asiaticus | Diaphorina citri

show abstract

Behavioral Model for <I>Homalodisca vitripennis</I> (Hemiptera: Cicadellidae): Optimization of Host Plant Utilization and Management Implications

Cited by 25 publications

References 75 publications

Effects of Gender, Origin, and Age on Transmission ofXylella fastidiosato Grapevines byHomalodisca vitripennis(Hemiptera: Cicadellidae)

Effects of Gender, Origin, and Age on Transmission ofXylella fastidiosato Grapevines byHomalodisca vitripennis(Hemiptera: Cicadellidae)

Background matching behaviour and pathogen acquisition: plant site preference does not predict the bacterial acquisition efficiency of vectors

Modeling huanglongbing transmission within a citrus tree

Contact Info

Product

Resources

About