Whitehall Project: Leafy Spurge Flea Beetles, where do they work?
July 17, 2019
There are 6 species of flea beetles approved for release on leafy spurge. They are: Aphthona abdominalis
They are a very small beetle with a back "hopping" leg somewhat like a grasshopper. Some of these species are black, and some are coppery brown. The adults emerge from the soil from mid-June to mid-July in Montana. Adult feeding creates many holes and chewed edges on spurge leaves. They make an attractant pheromone (a chemical scent signal) that caused them to stay together in an area...