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Liohippelates collusor
eye gnat
Liohippelates collusor is a species of eye gnat in the family Chloropidae, recognized as a significant pest of humans and animals in the United States since the 1930s. Along with Liohippelates pusio, it has been the focus of extensive research on biology, ecology, and management. The species causes considerable discomfort and stress through persistent attraction to eyes, wounds, and body openings, and may transmit pathogens. Its biology and life cycle have been well studied in agricultural systems, though its ecological roles in natural ecosystems remain poorly documented.