Why do frogs undergo hibernation?

Frogs are cold blooded meaning whatever temperature it is they adapt to it so during winter they go into s state of hibernation.

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 !