菇类害虫主要有菌蛆、线虫和跳虫三种。现将其为害和防治介绍如下: 一、特征及为害 1、菌蛆:菌蛆是菇蝇、菇蚊、菇蚋等幼虫的总称。①菇蝇成虫淡褐色或黑色,足、触角和翅都较长,步行和休息时翅平叠在背上。卵白色椭园形,此虫产卵于培养料上,4—5天卵孵化为幼虫。幼虫头部黑色有光泽,幼虫期10—15天。②菇蚊成虫体被少量绒毛、淡灰色至黑褐色,体长2毫米左右,翅长方形。幼虫头部黑色,体白色透明,可见内脏和生殖器官。③菇蚋成虫很微小,橙黄色。幼虫体色有水红色、橙黄色至淡黄色,体躯两头尖,幼虫体长3毫米左右,幼虫发生迅速。以上三虫均以幼 Mushroom pests mainly maggots, nematodes and springtime three. Now its harm and prevention introduced as follows: First, the characteristics and damage 1, bacteria Maggots: maggots maggot is mushroom, mushroom mosquito, mushrooms and other larvae collectively. ① mushroom fly light brown or black adults, feet, antennae and wings are longer, walk and rest when the wings folded flat on his back. Egg oval-shaped, the worm spawns on the culture material, 4-5 days eggs hatch larvae. Larvae head black and shiny, larvae 10-15 days. ② mushroom mosquito body was a small amount of hair, light gray to dark brown, body length of 2 mm, wings rectangular. Larvae head black, white body transparent, visceral and reproductive organs. Mushroom 蚋 adult is very small, orange. Larva body color water red, yellow to light yellow, body tip two sharp larvae body length of about 3 mm, larvae occur rapidly. More than three young worms