白背稻虱(Sogatella furcifera Horvath)成虫有长翅型和短翅型两种.其中长翅型成虫和短翅型雌成虫较为常见,而短翅型雄成虫则罕见.1978年8月,我们在镇江丘陵稻区首次发现.雄成虫体长2.74～3.08毫米,平均2.90毫米,黑褐色.头顶显著突出,长大于宽;额以近端部最宽,颜面纵沟黑褐色. Adult adults of Sogatella furcifera Horvath are long-winged and short-winged, of which the long-winged adults and the short-winged adults are relatively common, while the short-winged adults are rare. In August 1978, we The first discovery in the hilly area of ​​Zhenjiang hilly male adult body length 2.74 to 3.08 mm, an average of 2.90 mm, dark brown, prominent head, grows wider than the amount of the proximal part of the widest, facial longitudinal groove dark brown.