This document summarizes a presentation on swarm intelligence approaches for routing in wireless sensor networks. The presentation outlines include an introduction, routing challenges in WSNs, a comparative evaluation of swarm intelligence routing protocols, and conclusions. It discusses swarm intelligence concepts and how they can inspire algorithms to solve distributed problems. It also examines routing challenges in WSNs like node deployment, scalability, and resource constraints. Several swarm-based routing protocols are compared based on parameters and metrics used. Simulation tools, areas, energies, and node numbers vary across protocols. Probability and pheromone update functions are also routing components discussed. The conclusion indicates a comparative study of swarm routing algorithms to determine advantages and limitations.