旱柳广头叶蝉的生物学特性及防治

Bionomics of the leafhopper Macropsis matsudanis.

报道了危害白榆的新害虫——旱柳广头叶蝉Macropsis matsudanisCaietWei。首次记述其幼期形态特征、生物学特性、天敌种类,进行了防治试验。该虫在山东商河1年发生1代,以卵在白榆枝条内越冬;天敌主要有螯蜂、瓢虫等;用阿维菌素和吡虫啉5000倍液喷雾防治若虫具有很好的防治效果。

The immature morphology, biology, natural enemies and control methods of Macropsis matsudanis Cai et Wei, an insect pest on （ Ulmus pumila） newly found in Shanghe County, Shangdong Province are reported in this paper, Based on our observations in 2002 - 2004, the pest occurred one generation a year and overwintered as eggs in the twigs. Its natural enemies mainly contain dryinid wasps and lady beetles. The experimental results showed that application of two kinds of insecticides, 1.0% abamectin and 20% imidacloprid for control of the nymphs of this pest could get good efficiency.