A Temperature-Dependent Phenology Model for Liriomyza huidobrensis (Diptera: Agromyzidae)

Abstract

Liriomyza huidobrensis (Blanchard) is an economically important and highly polyphagous worldwide pest. To establish a temperature-dependent phenology model, essential for understanding the development and growth of the pest population under a variety of climates and as part of a pest risk analysis, L. huidobrensis life-table data were collected under laboratory conditions at seven constant temperatures on its host faba bean (Vicia faba L.). Several nonlinear equations were fitted to each life stage to model the temperature-dependent population growth and species life history and finally compile an overall temperature-dependent pest phenology model using the Insect Life Cycle Modeling (ILCYM) software. Liriomyza huidobrensis completed development from egg to adult in all temperatures evaluated, except at 32 °C, which was lethal to pupae. Eggs did not develop at 35 °C. Mean development time of all immature stages decreased with increasing temperature. Nonlinear models predicted optimal temperature for immature survival between 20–25 °C (32–38% mortality of all immature stages). Life-table parameters simulated at constant temperatures indicated that L. huidobrensis develops within the range of 12–28 °C. Simulated life-table for predicting the population dynamics of L. huidobrensis under two contrasting environments showed that lowland temperatures at the coast of Peru (250 m.a.s.l.) presented better conditions for a potential population increase than highland (3,400 m.a.s.l.) conditions. The presented model linked with Geographic Information Systems will allow pest risk assessments in different environmental regions to support the regulation of pest movement to prevent pest entry into not-yet invaded regions as well as to implement effective management strategies.

A temperature-dependent phenology model for the greenhouse whitefly Trialeurodes vaporariorum (Hemiptera: Aleyrodidae)

“…The initial model developed based on life tables determined at constant temperatures, however, poorly predicted those determined in studies at naturally fluctuating temperatures, principally due to an overestimation of immature mortality rates and an underestimation of adult survival and reproduction rate. We have not observed such substantial differences between laboratory and field collected data in previous studies ( Aregbesola et al, 2020 ; Sporleder et al, 2004 , 2016 ; Mujica et al, 2017 ). This gives the impression that the species T. vaporariorum is a special case showing high variability in adult survival and reproduction in response to variable temperature.…”

“…Temperature is a critical abiotic factor affecting the development, survival, and reproduction of insect species. The ability of an insect to develop at different temperatures is an important adaptation to survive in various climatic conditions, and its understanding is important for predicting pest outbreaks ( Gilbert and Raworth, 1996 ; Mujica et al, 2017 ). One of the main factors that influence the development of larger populations of whiteflies in agricultural regions of Latin America is the diversification of crops which provide increased availability of hosts for whiteflies and has also contributed to a significant increase in the use of agrochemicals ( Anderson and Morales, 2005 ).…”

Effect of temperature on the biological parameters of the cabbage aphid Brevicoryne brassicae

“…Additionally, Abdel‐Rahman, Awad, Omar, and Mahmoud () reported that 28°C was the optimal developmental time of B. brassicae . The functions Sharpe & DeMichele and Janisch used in our study also successfully predicted temperature range of development in Phenacoccus solenopsis (Fand et al., ) and Liriomyza huidobrensis (Mujica, Sporleder, Carhuapoma, & Kroschel, ), two insect species with a wide range of thermal tolerance and cosmopolitan distribution as B. brassicae .…”

“…This was performed using a friendly-user software called Insect Life Cycle Modelling (ICLYM), in which the aim is to assist researchers in developing insect temperature-based models . (Fand et al, 2014) and Liriomyza huidobrensis (Mujica, Sporleder, Carhuapoma, & Kroschel, 2017), two insect species with a wide range of thermal tolerance and cosmopolitan distribution as…”

Role of Modelling in International Crop Research: Overview and Some Case Studies

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