SHREVEPORT, La. - Viburnum, a staple in many Louisiana landscapes, has been suffering from a common but alarming affliction.

The gloomy scale is a species of armored scale insect (family Diaspidae) that infests many trees but is most associated with maples. These gray-brown insects attach themselves to bark and use ...

3), and can be up to 2 mm wide with a central pale ring. The test is not attached to the body and can be peeled back to reveal the soft-bodied scale insect (Fig.3). Spends winter as a female beneath ...

White, wooly adults (figure 1, 2) with pink to purple eggs underneath (Figure 3) can be seen in late spring. The first generation was observed in late May through early June using a hand lens or ...