INSECTS of...Hardwood Branch and Stem

Common Name:	KERMES SCALE A KERMES SCALE on petiole of oak leaf.
Species	Kermes spp.
Common Hosts:	Laurel oak Quercus laurifolia Live oak Quercus virginiana Water oak Quercus nigra Other oaks Quercus spp.
Description	Adult -- female approximately 3-7 mm wide; gall-like or globular; light brown with darker irregular lines.
Importance	Severe infestations may result in branch dieback; death of tree rare.
Signs of Infestation	Foliage discoloration. Gall-like or globular growths- kermes scales.
Control	Promote tree vigor and health. Use an approved insecticide for high-value trees or especially damaging scale populations.

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

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KERMES SCALE