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四、赤眼蜂寄主卵的选择与筹备繁殖赤眼蜂的寄主卵一般应具备三个条件:1.寄主卵粒较大,发育出来的蜂较活泼、健壮;2.卵壳稍坚韧,不易干瘪,适于冷藏,成本低廉;3.寄主饲料丰富,容易饲养,产卵多。据我们试验,适合赤眼蜂繁殖的寄主卵主要有柞蚕、蓖麻蚕和柳天蛾(又名兰目天蛾)三种。柞蚕卵繁殖的赤眼蜂生活力比较旺盛,体大、蜂壮、寿命长、性比大、出蜂
Fourth, Trichogramma host egg selection and preparation Trichogramma host eggs should generally have three conditions: 1. Larger host eggs, the development of the bee is more lively, robust; 2. Eggshell slightly tough, not easy Wrinkled, suitable for cold storage, low cost; host rich feed, easy to raise, spawning and more. According to our experiments, the host eggs suitable for Trichogramma multiply mainly three kinds of tussah, castor silkworm and willow moth (also known as Lorantha adult). Trichogramma eggs breeding Trichogramma vitality is relatively strong, large, bee Zhuang, long life, sex ratio, a bee