DNA in the poop : challenges in a sea of plenty

Copyright Nboyine et al.

The ground wētā is an insect pest causing damages in New Zealand vineyards. Scientists Nboyine et al. analyzed plant DNA present in the feces of this insect and revealed that many plants may constitute their staple diet. They reckoned, therefore, that deploying non-commercial trap crops around vineyards, as a decoy to feed on, is particularly appropriate to control wētā, as this insect seems to be highly generalist in its feeding behavior.

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