Abstract
Abstract Owing to the rapid and ongoing anthropogenic changes impacting ecosystem functions and their interplay with biodiversity, there is a growing focus on assessing insect functional diversity. This emphasis helps to unravel key roles of insects on ecosystem processes and to identify the assembly mechanisms that regulate species coexistence. The ecological functions of phytophagous scarab beetles (Scarabaeidae) have been relatively unexplored, and potential functional traits are scattered throughout the literature. Species within this group exhibit diverse lifestyles, forms and sizes. They exploit various resources such as decomposing wood, foliage, roots and flowers, with a small subset identified as predators. Although many of their representatives are significant agricultural pests, information on their contributions in natural ecosystems has not been consolidated. This study reviews the ecological functions potentially carried out by phytophagous scarab beetles and proposes functional traits to be incorporated into studies of functional diversity. Through this, the goal is to integrate the scattered information, stimulate the generation of questions that go beyond classical ecological theory and contribute to advancing our knowledge of their ecosystem functions, as well as the foundations for understanding community structure. We propose to use trophic groups to define functions such as bioturbation, organic matter decomposition, biological control and potential pollination. A simplified list of functional traits was obtained by conducting correlation analyses using a trait matrix from a region in northern Colombia. This represents a significant advance for the study of traits within the framework of functional ecology, applicable to territorial planning and biodiversity conservation.
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