How the Spittlebug Builds Its Bubbly Fortress

By JAMES GORMAN and CHRISTOPHER WHITWORTH Science https://nyti.ms/2DRKCQo
Insects, Oxygen, Reproduction (Biological), Animal Behavior, your-feed-science Spittlebugs feed on plant sap and then excrete bubbly foam to create a protective fortress around themselves. Later, they emerge as adult froghoppers.