I can rush, I can be still, I can be hot, I can be cold, I can be hard, I can slip through almost anything. What am I?
riddle

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !