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- ClÃ¡udio JosÃ© Von Zuben, SÃ©rgio Furtado dos Reis, João B. R. do Val, W A C Godoy, Odair Benedito Ribeiro
- Journal of medical entomology
- 1993

The laboratory population dynamics of Chrysomya megacephala (F.) was explored with a mathematical model of density-dependent growth. Fecundity and survival decreased significantly as a function of larval density. Parameters in the exponential regressions fitted to the fecundity and survival data were incorporated into a finite-difference equation thatâ€¦ (More)

- W A C Godoy, CJ Von Zuben, SF dos Reis, FJ Von Zuben

The equilibrium dynamics of native and introduced blowflies is modelled using a density-dependent model of population growth that takes into account important features of the life-history in these flies. A theoretical analysis indicates that the product of maximum fecundity and survival is the primary determinant of the dynamics. Cochliomyia macellaria, aâ€¦ (More)

- W A C Godoy, Fernando J. Von Zuben, ClÃ¡udio JosÃ© Von Zuben, SÃ©rgio Furtado dos Reis
- Memorias do Instituto Oswaldo Cruz
- 2001

The sensitivity of parameters that govern the stability of population size in Chrysomya albiceps and describe its spatial dynamics was evaluated in this study. The dynamics was modeled using a density-dependent model of population growth. Our simulations show that variation in fecundity and mainly in survival has marked effect on the dynamics and indicatesâ€¦ (More)

- Rodney Carlos Bassanezi, Michael B. Leite, W A C Godoy, ClÃ¡udio JosÃ© Von Zuben, Fernando J. Von Zuben, SÃ©rgio Furtado dos Reis
- Memorias do Instituto Oswaldo Cruz
- 1997

This paper presents a diffusion model of larval dispersal specifically designed to account for particular aspects of postfeeding larval dispersal from the food source in organisms such as blowflies. In these organisms the dispersal of immatures includes two groups of individuals, those that are actively migrating and those that have initiated the pupationâ€¦ (More)

- W A C Godoy, Michel Iskin da Silveira Costa
- Brazilian journal of biology = Revista brasleiraâ€¦
- 2005

In this study we analyzed the effect of migration on the persistence time of coupled local populations of Tribolium in different environments. Four treatments were set up to compare different levels of environmental heterogeneity. We established high, low, moderate, and no heterogeneity. These levels were estimated by the different amounts of food offeredâ€¦ (More)

- Gisele Souza Rosa, Michel Iskin da Silveira Costa, JosÃ© Eduardo Corrente, Liciana Vaz de Arruda Silveira, W A C Godoy
- Neotropical entomology
- 2011

In this study we investigated the population dynamics of Chrysomya albiceps (Wiedemann) with laboratory experiments, employing survival analysis and stage structure mathematical models, emphasizing survival among life stages. The study also assessed the theoretical influence of density dependence and cannibalism during immature stages, on the populationâ€¦ (More)

- T I S Riback, W A C Godoy
- Brazilian journal of biology = Revista brasleiraâ€¦
- 2008

In this study, the seasonal variation of fecundity, wing and tibia length were investigated in natural populations of Chrysomya albiceps (Wiedemann, 1819) in an attempt to determine the changes in life history of the species as a function of seasonality. A relative constant temporal trajectory was found for fecundity, wing and tibia length over twenty-fourâ€¦ (More)

- W A C Godoy, ClÃ¡udio JosÃ© Von Zuben, SÃ©rgio Furtado dos Reis, Fernando J. Von Zuben
- Memorias do Instituto Oswaldo Cruz
- 1996

An indirect estimate of consumable food and probability of acquiring food in a blowfly species, Chrysomya putoria, is presented. This alternative procedure combines three distinct models to estimate consumable food in the context of the exploitative competition experienced by immature individuals in blowfly populations. The relevant parameters are derivedâ€¦ (More)

- SÃ©rgio Furtado dos Reis, M Antonieta Teixeira, Fernando J. Von Zuben, W A C Godoy, ClÃ¡udio JosÃ© Von Zuben
- Journal of medical entomology
- 1996

Equilibrium dynamics in experimental populations of Chrysomya megacephala (F.) and C. putoria (Wiedemann), which have recently invaded the Americas, and the native species Cochliomyia macellaria (F.), were investigated using nonlinear difference equations. A theoretical analysis of the mathematical model using bifurcation theory established the combinationâ€¦ (More)

- H Serra, M J R P Costa, W A C Godoy
- Neotropical entomology
- 2011

We combined two models to investigate the theoretical dynamics of five exotic and native blowfly species in response to the Allee effect by using demographic parameters estimated from experimental populations. Most of the results suggest stabilization of dynamic behavior in response to the Allee effect. However, the results depended on the magnitude of theâ€¦ (More)