Grzegorz Buczkowski, Purdue University (IMAGE)

Purdue University

Grzegorz Buczkowski, Purdue University

Caption

Purdue entomologist Grzegorz Buczkowski holds a beaker of dry hydrogel crystals (left) and the same volume of crystals after they have absorbed water (right). Hydrogels saturated with a chemical dissolved in sugar water are attractive baits to Argentine ants.

Credit

Purdue University/Tom Campbell

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Credit: (Purdue University/Tom Campbell)

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