The Department of Defense, through the Naval Medical Research Unit South (NAMRU-S), is seeking qualified sources to conduct a study titled “Entomological surveillance in Urabá subregion, Antioquia, Colombia – characterization of Aedes aegypti insecticide resistance.” The objective of this procurement is to obtain services that will facilitate the study, which is critical for understanding and managing insecticide resistance in mosquito populations, particularly in the context of public health. Interested parties must submit a capability statement, including management and technical data, by 12:00 PM Local Time on September 13, 2024, via email to Genaro Vasquez at genaro.m.vasquez.ln@health.mil, using the subject line "N44852_ENT240006." This pre-solicitation is not a request for competitive proposals, and if no capable sources are identified, a sole source contract may be awarded.