A destructive, fast-moving invader is wriggling its way into yards across the US, and officials say Californians should be on alert. Agriculture authorities are sounding the alarm over the Asian jumping worm, a highly invasive species that’s already been spotted in multiple states, including the Golden State. “The jumping worms’ hyper-activity degrades the soil structure, can harm plant roots and accelerate soil drying. This creates a ‘nutrient-poor paradox’ where nutrients are present but unavailable to plants. This can further exacerbate drought conditions, which the state is already in,” the Colorado Department of Agriculture said in a press release. The worms...