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危害柑桔的天牛有星天牛和褐天牛两种,在邵阳地种桔园普遍发生,温州蜜柑以星天牛危害为主,轻者削弱构势,降低产量,缩短寿命,重者使整个植株死亡,甚至造成毁灭性的灾害。过去邵阳地区柑桔栽培者对天牛防治普遍重治轻防,在五、六十年代以打洞用钢丝钩杀幼虫为主,花工多,效果差,损失树体严重,在七十年代采用药液毒杀树体内幼虫,杀虫效率比前者好,但不是治本,而是在幼虫进入树体内危害时进行的,对成虫、
Harmful citrus horned beetle and brown bullhead two species, generally occur in the orange garden in Shaoyang, Satsuma to Hazard of Asio, the weaken weaken the situation, reduce production, shorten the life expectancy, severe cases The whole plant died, even causing devastating disasters. In the past, the citrus cultivators in Shaoyang used to control and cure the beetles in general. In the 1950s and 1960s, the larvae were mainly hooked with steel wire to kill holes and spent more work. The effect was poor and the tree was damaged severely. In the 1970s, Liquid poison tree killing larvae, insecticidal efficiency than the former, but not a cure, but in the larvae into the body when the damage carried out on adults,