Insect Defoliators of the Southeastern United States. Forest Health Guide for Georgia Foresters Terry S. Price – Entomologist http://www.gfc.state.ga.us. Hardwood Defoliators. Greenstriped Mapleworm Orangestriped Oakworm Spiny Oakworm Buck Moth Oak Skeletonizer Forest Tent Caterpillar
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Forest Health Guide for Georgia Foresters
Terry S. Price – Entomologist
Forest Tent Caterpillar
Eastern Tent Caterpillar
Variable Oakleaf Caterpillar
Larger Elm Leaf Beetle
Yellow Poplar Weevil
Oakworms in the genus Anisota, are common
throughout the South and do considerable damage in forest and landscape trees.
Common species are the orangestriped,
pinkstriped and spiny oakworms
Feed on various oaks and sometimes birch and hickory.
boxelder and oaks
The buck moth feeds primarily on oaks.
defoliation of chestnut oak over a 300,000–acre area
in North Georgia from 1986 to 1999
Forest Tent Caterpillar
Forms no tent, feeds on many species
Locust leaf miner – nymph, larva and adult
Spotted Loblolly Pine Sawfly
Virginia Pine Sawfly
White Pine Sawfly
Slash Pine Sawfly
Blackheaded Pine Sawfly
Red-Headed Pine Sawfly
Introduced Pine Sawfly
Loblolly Pine Sawfly
Pine Colaspis Beetle
Pine Chafer Beetle
Pine Colaspis beetle
Stinging caterpillars – symptoms may last 12 hours
to be something
your not so as
to keep from being eaten.
1) How do polyphagous, oligophagous and monophagous defoliators differ?
2) How is the presence of a defoliator detected and evaluated?
3) Describe the basic life cycle of the spruce budworm. In what part of the U.S. is this insect a problem?
4) Describe the basic life cycle of the gypsy moth. What is the potential of this insect becoming a problem in Alabama?
5) Describe the basic life cycle of the Douglas-fir tussock moth. Where is this insect a problem?
6) How do humans contribute to the spread of Gypsy Moth in the United States? What is one major difference between the Gypsy Moth and the Asian Gypsy Moth.
7) What is ‘Disparlure’ and what is its role in integrated pest management?
8) Why is damage by the Douglas-fir Tussock moth generally more serious than that caused by the Gypsy Moth?
9) Why would foliage feeding insects generally be more important in the Southern Region than in some other parts of the U.S.?
10) Why are native defoliators generally less of a problem than those introduced from other countries?