Impact of Temperature Change on the Fall Armyworm (Spodoptera frugiperda) under Global Climate Change
Journal Title: International Journal of Research and Advances in Agricultural Sciences - Year 2022, Vol 1, Issue 2
Abstract
Originally from the tropical and subtropical areas of the Western Hemisphere, the autumn armyworm (FAW; Spodoptera frugiperda; J. E. Smith, 1797) has recently extended its range to include considerable portions of the America, Africa, Asia, and Oceania. The pest's great invading tendency and high yearly expense to control it are particularly problematic. Herbivorous insects are very sensitive to temperature changes. Several studies suggest that the damage to crops, such as an enhanced developmental rate that increases intake at higher temperatures, may be influenced by the temperature, which affects the poikilo-thermal FAW's geographic spread, phenology, and natural enemies. The FAW is thought to modulate gene expression in response to environmental changes at high temperatures, leading to increased viability and invasion potential. In light of this, the purpose of this paper is to review and critically evaluate the ways in which indicators of development, relationships between the FAW and its natural enemies, and temperature tolerance vary across the FAW's developmental stage when subjected to varying degrees of heat and cold stress. On this basis, we talk about more eco-friendly and cost-effective control measures, we present future climate change challenges, and we offer statistical basics and instrumental guidance significance for informing FAW pest forecasting, risk analyses, and a global management program for effective control.
Authors and Affiliations
Muhammad Talha Faryad Faizan Ejaz T Rajendran Muhammad Sohaib Rana Usama Khalid
Keywords
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