Six mosquito species, Aedes dorsalis (Meigen), Ae. Flavescens (Muller), Orthopodomyia sp., Wyeomyia smithii (Coquillett), Anopheles barberi Coquillett, and An. Walkeri Theobald, were newly recorded during the period of 1971 to 1977 from Suffolk County, Long Island, N.Y. These records bring the mosquito list of the county to 37 species.