Himacerus major is a species damsel bug in the family Nabidae. It is found in the Holarctic.The range is from South Scandinavia and the South of the British Isles over West Europe including the Western Mediterranean , Central Europe and Eastern Europe and in the Caucasus. It is also found in North America. Himacerus major occurs in many different habitats with grass, regardless of the level of humidity. The species occurs on very dry dune habitats, and nutrient-poor grasslands,as well as wet shores of waters without woody vegetation and salt places inland. The species occurs in very large numbers near the coast of the Northern Baltic Sea. Itis absent from woodland.