A greenhouse experiment involving ladybugs, conducted in the UK, discovered that, after they had eaten aphids which had fed on genetically modified potatoes, their life expectancy declined by half, and egg production declined by 30 %.
英國一個有關雌性瓢蟲的溫室實驗發現，瓢蟲吃下以基因改造馬鈴薯餵食的蚜蟲後，生命期縮減了一半，下蛋的數量也減少百分之三十。