👉 Culicidae is a family of crustaceans, including many species that are known for their ability to produce the toxic chemical chitin. These species are commonly found in freshwater environments such as rivers and lakes where they play important roles in nutrient cycling and maintaining water quality. The term "culicidae" comes from the Latin word "culicis," which means "cherry." In some cases, it may also refer to the genus "Culiculus," which is