INSECTS of...Hardwood Branch and Stem

Common Name:	OBSCURE SCALE OBSCURE SCALES on twigs. Note the close resemblance in color of scales and twig .
Species	Melanaspis obscura
Common Hosts:	Laurel oak Quercus laurifolia Live oak Quercus virginiana Pecan Carya illinoensis Turkey oak Quercus laevis Water oak Quercus nigra Other oaks Quercus spp.
Description	Adult -- female approximately 3 mm wide; circular, slightly raised, grayish to black body; closely matches bark color.
Importance	Severe infestations may result in branch dieback; death of tree uncommon.
Signs of Infestation	Foliage discoloration and branch dieback. Roughened appearance of bark due to layering of scales one on another.
Control	Promote tree vigor and health. Use an approved insecticide for high-value trees or high scale populations.

Bulletin No. 196-A | Printed October, 1983 | Contact the Forest Health Section

OBSCURE SCALE