In this paper, the initiation and development of observations on the insect flight by radar were briefly reviewed. An equipement of the entomological radar was set up in China in 1981-1984. And its characteristics and the results of observation!) on the stable insect targets and releasing mobile insect targets by this radar were described.The Gongzhuling Entomological Radar was equiped with the major parts of Japense marine radar, type.JMA-510G-6, Which was fixed with the antenna system of Chinese meteorolo...