Answer:
Colony collapse disorder (CCD)
Explanation:
Colony collapse disorder (CCD) -
It refers to peculiar condition , where the worker bees vanished leaving the food as well as the queen bee with some immature bees and nurse bees .
This situation was named the colony collapse disorder .
The condition was observed in north America along with Europe in the late 2006 .
The phenomena became global with affecting the areas of Africa and Asian countries .
Hence , from the given question ,
The correct answer is Colony collapse disorder (CCD) .