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The oak processionary (OPM) (Thaumetopoea processionea) is a moth whose caterpillars can be found in oak forests, where they feed on oak leaves, causing significant damage. They travel in nose-to-tail processions (hence their name), often arrow-headed, with a leader followed by rows of several caterpillars abreast. [ 1 ]
Archips semiferanus (also known as Archips semiferana) is a species of moth in the family Tortricidae, and one of several species of moth commonly known as oak leafroller or oak leaf roller. The larvae feed on the leaves of oak trees in the eastern United States and southeastern Canada and are a major defoliator of oak trees, which can lead to ...
Forest-productivity can be reduced even without widespread mortality. During a spongy moth outbreak, entire forests can be defoliated but then recover. However, the energy required for new foliage weakens the trees. Oaks—a favorite food source for spongy moth larva—produce a reduced acorn crop for years after a defoliating event.
Since 1980, the gypsy moth has defoliated over one million acres (4,000 km 2) of forest each year. In 1981, 12.9 million acres (52,200 km 2) were defoliated. In wooded suburban areas, during periods of infestation, gypsy moth larvae crawl over man-made obstacles and sometimes enter homes. [4]
The moth has a wingspan of 40 to 56 mm (1.6 to 2.2 in). Fig 4,4a,4b,4c Larva after final moult . The larvae are mainly brown with three lumps near the end of the abdomen. They have evolved to resemble sticks which helps protect them from predators. The larvae feed on many species of trees, but the most commonly used host plants are oaks. [1]
Box tree moths do their damage on boxwood plants, which are common outside of homes and other buildings. State officials announced a quarantine for six southwest Ohio counties to help contain the ...
Phoberia atomaris, the common oak moth, is a species of moth in the family Erebidae. The species is found in North America, from Quebec and Ontario south to Florida, and west to Kansas and Texas. The wingspan is about 38 mm. Adults are on wing from March to July depending on the location. The larvae feed on Oak species, including Northern red oak.
Lenawee and Monroe counties are part of the box tree moth quarantine. Boxwood plants or parts of them cannot be moved out of the quarantined area. Box tree moth quarantine now includes 12 counties ...
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