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| A cinnabar moth caterpillar feeds on the flowers of a tansy ragwort weed growing on a hillside near Elkton in rural western Oregon. The colorful moth incorporated toxins from the ragwort into its body which renders it non-palatable. Its bright color is a danger signal to potential predators. The hairs on the caterpillar are poisonous to humans and can cause a rash if touched. |
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| A pair of grasshoppers mate while clinging to a plant on a hillside near Elkton in rural western Oregon. Thousands of grasshoppers were busy mating and feeding on the grass and weeds growing in the remote pasture. |
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| An adult mosquito floats on the surface of a cattle water trough after emerging from its pupa stage on a farm near Elkton in rural western Oregon. Diseases that are spread to people by mosquitoes include Zika virus, West Nile virus, Chikungunya virus, dengue, and malaria. |
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