所属栏目:中国稻区飞虱
成虫(图57~59)长翅型:体连翅长雄虫2.9~3.4mm,雌虫3.5~4.0mm;体长雄虫1.8~2.0mm,雌虫2.2~2.5mm;翅长雄虫2.4~3.0mm,雌虫2.9~3.4mm。图57烟翅白背飞虱长翅型成虫和前翅A.雌虫B.雄虫C.前翅雄虫体黄褐色至黑褐色。头顶、前胸背板、中胸背板中 ......(本文共 899 字 , 5 张图) [阅读本文] >>