What’s Eating the Aphids?

Red Aphids

Entomologists who study predator prey interactions must find creative ways to identify the predators. A single crop such as wheat can have over 100 taxa that are potential predators. Which species eat aphids and which do not? The answer to this question is made easier by modern DNA techniques. The aphid, Rhopalosiphum padi, has unique DNA sequences that survive in the gut of predators. It is possible to analyze the gut contents of predators and determine whether or not they…

Source: Living With Insects Blog

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