(E)-2-Hexadecenal is widely used in the field of entomology and pest control due to its role as a pheromone in certain insect species. It is particularly effective in attracting and trapping specific pests, aiding in the monitoring and management of insect populations. This compound is also utilized in agricultural practices to disrupt the mating cycles of harmful insects, reducing their numbers and minimizing crop damage. Additionally, it finds application in research studies focused on understanding insect behavior and communication, providing insights into ecological interactions and pest control strategies.