Mercury News: Will thousands of oak leaf galls produce a mass invasion of wasps? Will thousands of oak leaf galls produce a mass invasion of wasps? The Bulletin: Exploring the Last Green Valley: The fascinating life of oak gall wasps Exploring the Last Green Valley: The fascinating life of oak gall wasps Gainesville: Oak trees have a lot of gall - 'oak apple gall,' that is Oak trees have a lot of gall - 'oak apple gall,' that is Oak gall wasps and their predators don’t have the panache of butterflies, but they’re attracting growing interest among both scientists and naturalists.

Understanding the Context

Only 1 to 8 millimeters long, these small ... DEAR JOAN: There has been much discussion on Nextdoor about oak galls lately, mostly about how the galls are harmless to the tree and that they’re quite prevalent this year on oak trees around ...