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OAK LECANIUM SCALE
OAK LECANIUM SCALE on an oak twig.
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| Species |
Parthenolecanium quercifex |
| Common Hosts: |
Laurel oak Quercus laurifolia
Live oak Quercus virginiana
Other oaks Quercus spp. |
Description |
Adult -- female approximately 5 mm wide; circular, strongly raised, reddish to dark brown body; tortoise-like, but double hump. |
Importance |
Severe infestations may result in branch dieback; death uncommon. |
Signs
of Infestation |
Foliage discoloration and branch dieback. Clumped swellings- the scales - on branches or twigs. |
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
