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棉铃虫是危害棉花蕾铃的重要害虫,在前人工作的基础上,我们对它的生活习性和发生规律又继续进行了观察,取得了如下一些新进展。 一、生活习性 成虫对黑光灯有较强的趋性,据用四种不同灯光诱蛾比较,20瓦黑光灯下诱集最多,占总数60.6%;3瓦黑光灯次之,占总数18.2%;20瓦黑光灯加200瓦白炽灯占总数15.9%;200瓦光白炽灯最少,占总数6.1%。但所诱雌蛾依次为30.0%、42.0%、67.0%、0.0%,即以双色最高。成虫趋性最强,棉铃
The bollworm is an important pest that endangers cotton buds. On the basis of previous work, we continue to observe its living habits and occurrences and make some new progress as follows. First, the habits of adults have a strong tendency to black light, according to the four different light-luring moths, 20-watt black light trap the most, accounting for 60.6% of the total; 3-watt black light followed by the total number of 18.2% 20W black light and 200W incandescent accounted for 15.9%; 200W incandescent had the least, accounting for 6.1% of the total. However, the induced female moths were 30.0%, 42.0%, 67.0% and 0.0%, respectively, that is the highest two-color. Adults most aggressive, cotton bolls