甜菜潜叶蝇为害多种作物,尤以厚皮菜(叶用甜菜)、菠菜、糖甜菜等受害更为严重,过去很少注意。1958年3月,长沙地区普遍发生成灾,我们进行了一些调查试验工作,兹将结果报导如下: 一、形态特征及生活习性 甜菜潜叶蝇属双翅目花蝇科。成虫土灰色,头半圆形,侧视三角形,下颚须基部褐色,端部黑色,中胸背板和腹板灰色或褐色,有时两侧呈红色,在腹部上面有黑色纵带,雌虫腹部较宽,色较灰白,雄虫腹部较狭,色较灰黑,腹部上面的黑色纵带更为明显,体长一般6— Beetle leaf miner damage a variety of crops, especially thick-leaf vegetables (leaf beet), spinach, sugar beet and other victims more serious, the past rarely pay attention. March 1958, widespread disasters in Changsha, we conducted some investigation and test work, the results will be reported as follows: First, the morphological characteristics and habits Beet Lepidoptera is a Diptera, Muscidae. Adult gray, semicircular, triangular in profile, base to base brown, bottom black, midrib, and web gray or brown, sometimes red on both sides, with black longitudinal banding on the abdomen, female abdomen Wider, more gray color, male narrower abdomen, darker gray, the upper black belly above the more obvious, the body length of the general 6-