紫跳虫Hypogastrura communis Folson属弹尾目、球角跳虫科Hypogastruridad。体长1.2mm左右,体近圆筒形,头稍大;体呈兰紫色,腹面色较淡,体节之间灰色,体表散生灰白色斑点,全体生有长的刺毛。在深圳地区俗称“火灰虫”、“黑狗仔”,该虫国内记载为害食用菌,在深圳地区为害蔬菜的叶菜类十分严重,菜苗叶片被食成孔洞或缺刻。主要为害十字花科的白菜、菜心,以及蕹菜、苋菜、生菜等,其次为害豇豆、节瓜、苦瓜、甜玉米等作物幼苗。 Violet hoppers Hypogastrura communis Folson is a stingray, Hypogastruridad. Body length of about 1.2mm, body nearly cylindrical, slightly larger head; body was purple, lighter abdominal color, between the body parts of gray, off-white gray spots on the surface, all the students have long bristles. Commonly known in the Shenzhen area as “fire gray worms,” ​​“black dog Aberdeen,” the domestic record of edible mushrooms harmful to vegetables in Shenzhen in the leafy vegetables is very serious, vegetable leaves are eaten into a hole or notch. The main damage cruciferous cabbage, Brassica campestris, as well as Brasenia schreberi, amaranth, lettuce, etc., followed by pests of cowpea, nodules, bitter melon, sweet corn and other crops.