Structural Characterization of Appendages of Diverse Butterfly Species (Insecta: Lepidoptera) from Mohali, Chandigarh, India

Insects form a very important and integral part of any ecosystem. Their contributions include agriculture, biodiversity, human health as well as conservation of natural resources. Butterflies belonging to this category falls under suborder of Lepidoptera called Rhopalocera. They have large and vividly coloured wings, which are used for both defence and communication. Butterflies play important role in the ecosystem. Lives of plants and butterflies are interlinked. These insects enhance the aesthetic value of environment by their wonderful wing colours. At rest, their wings are held together upright, which sets them off from all other insects. Butterflies are extremely important in pollination as most of them are important pollinating agent for many plant species, contributing to the enhancement of genetic diversity and stability within the ecosystem. However, their fascinating complex sensory systems go beyond their obvious beauty and importance in ecology. For instance, their legs are more than just organs of locomotion; they are actually very fine devices with sensilla. These sensilla function as receptors so that butterflies would be able to sense various aspects of their surroundings. This review article deals with different species of butterflies and the different sensory adaptations of these sensilla. By looking at these sensory structures, one can gather information about different behavioural patterns, ecological interactions and evolved tactics of an organism. Studying butterfly appendages provides critical insights into their morphological adaptations, ecological roles, behavioural strategies, offering a deeper understanding of their evolutionary success. It highlights the structural and functional adaptations of butterfly leg sensilla across species, providing valuable insights into behavioural patterns and ecological interactions, thereby advancing our understanding of insect- environment relationships.