WASHINGTON—Cockroaches will eat anything. Except sugar, that is. Some of the common pests have evolved to learn how to detect and avoid a certain kind of glucose often used in bait traps, according to research published in the US journal Science on Thursday. Scientists focused on the slender and small brown German cockroaches, which live all over the world in homes, offices and apartment buildings—anywhere humans tread and leave crumbs behind. An apparent disdain for sweet-laced traps was first observed in some of these roaches in the early 1990s, about seven to eight years after commercial traps using glucose came on the market and entered ...
Keep on reading: Cockroaches can sense danger in sugar
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