单波长太阳能灯诱杀微红梢斑螟1）

为探索无公害防治微红梢斑螟（ Dioryctria rbu ell a）的方法，采用320～585 nm的单波长太阳能灯开展了林间诱杀研究，筛选了诱杀微红梢斑螟的最佳波长、最适时间以及诱杀容器的颜色和置放高度，测定了其对非靶标昆虫的诱杀作用，比较了不同时段诱杀微红梢斑螟的数量和比例。结果表明：380 nm太阳能灯诱杀微红梢斑螟的总量与368 nm的诱杀量差别不大，却显著大于其他波长灯的诱杀量；以21：00—23：00时段诱杀数量最多；蓝色容器的诱杀量最大；将盛水容器放在距地面1．2 m高度比放在地面对微红梢斑螟有更好的诱杀效果；380 nm灯对其他鳞翅目昆虫、鞘翅目和膜翅目昆虫的诱杀量与对照灯的诱杀量相比无显著差异。因此，波长为380 nm的太阳能灯可作为诱杀微红梢斑螟的最佳灯具。

Trapping Dioryctria rubella Experiments by Single-wavelength Solar La mps

We used single-wavelength solar lamps with the wavelength of 320-585 nm in forest to explore the nuisanceless meth-ods of controlling the harm of Dioryctria rubella.We selected the optimum wavelength and the suitable time interval of trap-ping D.ruble la, the suitable colors and the placed height of water containers, and compared the number and ratio of D.r u-ble la trapped at different time intervals. The results showed that 380 nm solar lamp trapped the biggest numbers of D.rubel-la adults, significantly more than that of control and other wavelength lamps.The best time for trapping D.rubella adults was 21:00-23:00.The number of D.rubella trapped by blue water containers was the biggest.It could get better trapping effect of D.rubella by placing the water container on the 1.2 m above the ground than on ground, there was no significantly difference between the numbers of other Lepidoptera, Coleoptera and Hymenoptera insect trapped by 380 nm solar lamp and by control.The 380 nm solar lamp was a better choice for trapping D.rubella.