The Effect of Temperature on an Insect Host-Parasite Population

Ecology ◽  
1949 ◽  
Vol 30 (2) ◽  
pp. 113-134 ◽  
Author(s):  
Thomas Burnett
Keyword(s):  
Parasite Population ◽  
Effect Of Temperature ◽  
Insect Host ◽  
Host Parasite

AN INSECT HOST–PARASITE POPULATION

1960 ◽  
Vol 38 (1) ◽  
pp. 57-75 ◽  
Author(s):  
Thomas Burnett
Keyword(s):  
General Trend ◽  
Trialeurodes Vaporariorum ◽  
Parasite Population ◽  
Insect Host ◽  
Growth Forms ◽  
Encarsia Formosa ◽  
Tomato Plants ◽  
Sources Of Variation ◽  
Host Parasite

Eight populations of Trialeurodes vaporariorum and Encarsia formosa were propagated on tomato plants in the greenhouse for about eight months. Although there was some variation in the growth-forms of host and parasite among the experiments, the general trend in each experiment was one of fluctuations of slightly, but distinctly, increasing amplitude. As extraneous sources of variation had only a slight influence on the growth-forms, the fluctuations resulted from host–parasite interaction. The T. vaporariorum – E. formosa system, is well suited for an investigation of the principles of host–parasite interaction.

Heterogeneity in helminth infections: factors influencing aggregation in a simple host–parasite system

Parasitology ◽  
2019 ◽  
Vol 147 (1) ◽  
pp. 65-77 ◽  
Author(s):  
Richard C. Tinsley ◽  
Hanna Rose Vineer ◽  
Rebecca Grainger-Wood ◽  
Eric R. Morgan
Keyword(s):  
Post Infection ◽  
Evolutionary Biology ◽  
Negative Binomial ◽  
Parasite Population ◽  
Trout Population ◽  
Helminth Infections ◽  
Transmission Period ◽  
Binomial Parameter ◽  
Host Parasite ◽  
Direct Life Cycle

AbstractThe almost universally-occurring aggregated distributions of helminth burdens in host populations have major significance for parasite population ecology and evolutionary biology, but the mechanisms generating heterogeneity remain poorly understood. For the direct life cycle monogenean Discocotyle sagittata infecting rainbow trout, Oncorhynchus mykiss, variables potentially influencing aggregation can be analysed individually. This study was based at a fish farm where every host individual becomes infected by D. sagittata during each annual transmission period. Worm burdens were examined in one trout population maintained in isolation for 9 years, exposed to self-contained transmission. After this year-on-year recruitment, prevalence was 100% with intensities 10–2628, mean 576, worms per host. Parasite distribution, amongst hosts with the same age and environmental experience, was highly aggregated with variance to mean ratio 834 and negative binomial parameter, k, 0.64. The most heavily infected 20% of fish carried around 80% of the total adult parasite population. Aggregation develops within the first weeks post-infection; hosts typically carried intensities of successive age-specific cohorts that were consistent for that individual, such that heavily-infected individuals carried high numbers of all parasite age classes. Results suggest that host factors alone, operating post-infection, are sufficient to generate strongly overdispersed parasite distributions, rather than heterogeneity in exposure and initial invasion.

Insect host-parasite coevolution in the light of experimental evolution

2013 ◽  
Vol 21 (4) ◽  
pp. 401-414 ◽  
Author(s):  
Niels A. G. Kerstes ◽  
Oliver Y. Martin
Keyword(s):  
Experimental Evolution ◽  
Insect Host ◽  
Host Parasite

scholarly journals Rapid change in parasite infection traits over the course of an epidemic in a wild host-parasite population

Oikos ◽  
2013 ◽  
Vol 123 (2) ◽  
pp. 232-238 ◽  
Author(s):  
Stuart K. J. R. Auld ◽  
Philip J. Wilson ◽  
Tom J. Little
Keyword(s):  
Rapid Change ◽  
Parasite Infection ◽  
Parasite Population ◽  
Wild Host ◽  
Host Parasite
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