1.   But those tiny pests can quickly wreak havoc.

2.   The researchers found that tiny insect pests of ponderosa pine, known as black pineleaf scale, seemed to thrive only on the tree from which they originated.

3.   The tiny pest, when crushed, creates a scarlet paste that is added to boiling water.

4.   These tiny pests are oval shaped and vary in color.

5.   When they spot the tiny pest, they send a team out to kill it.