最近,济阳、商河、莘县的一些瓜农打电话反映,他们的大棚黄瓜出现了严重卷叶症状,个别叶片僵硬变厚,有的叶片还油光发亮。瓜农按照病毒病喷药防治多次,也不见好转。为弄明白原因,我们实地进行了调查,发现瓜农反应的这种黄瓜卷叶现象,是茶黄螨造成的危害,个别大棚黄瓜危害还相当严重。遭受茶黄螨危害的黄瓜叶片症状容易与黄瓜的某些生理性病害或病毒性病害混淆,以致延误最佳防治时机。茶黄螨有强烈的趋嫩性,也有“嫩叶螨”之称。成螨和幼螨会集中在黄瓜幼嫩部分刺吸危害,受害叶片背面呈灰褐或黄褐色,并且具有油质光泽或油浸状,叶片僵硬变 Recently, some melon farmers in Jiyang, Shanghe and Shenxian called to report that their greenhouse cucumber showed serious symptoms of rolling leaves. Some of the leaves became rigid and thick, and some of the leaves shone brightly. Melon in accordance with the virus disease spray prevention and treatment many times, nor improved. In order to find out the reasons, we conducted a field survey and found that cucumber leaf melon reaction phenomenon is caused by the yellow mite harm, individual greenhouse cucumber harm is still quite serious. Suffering from tea yellow mite endanger the cucumber leaf symptoms easily with some cucumber physiological or viral diseases confused, resulting in the best time to delay prevention. Ophiopogon mite has a strong tender tenacity, but also “young spider mite ” said. Adult mites and young mites will concentrate on the young part of cucumber thorn sucking harm, the back of the victim leaves gray or brown, and has the oil luster or oil-like, stiff leaves change