Top Photo: Spittle on muscadine grape stem. The white gooey substance on the grape stem, above and below, may at first appear to be spit or saliva, it’s not. The viscous, sticky stuff on the stem is called spittle. It’s created by spittlebug nymphs, insects. After hatching from eggs laid in or on the grape vine, nymphal spittle bugs begin feeding, sucking juices from the plant. This goes through the insect’s body and is forced out of the anus. MixedRead more