The Oriental beetle (Anomala orientalis, often given as Exomala orientalis under an invalid genus name) is a species of shining leaf chafer in the family Scarabaeidae. It is a beetle about 0.7 - 1.1 cm (0.3 - 0.4 inches) long, with mottled, metallic brown- and black-colored elytra and a similarly-colored thorax and head during the adult stage. It is sometimes confused with the larger and more colorful Japanese beetle. During the larval stage, the Oriental beetle can be identified by the parallel line raster pattern.
This species is native to Asia. It was introduced to North America and has since spread to, and become a pest in, several mid-Atlantic states. Its invasive range extends from Maine to South Carolina and Wisconsin. In its larval stage, the grub feeds on the roots of grasses, while the adults feed on various plants. Sex pheromone traps are often used to capture and kill the Oriental beetle.

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Exomala orientalis is considered a tree pest because it feeds on the leaves, stems, and fruits of various tree species, causing damage to their overall health and productivity.

tree pest

Exomala orientalis can be considered garden pests because they have a tendency to feed on the foliage and fruits of plants commonly found in gardens, leading to damage and reduced yield of these plants.

garden pest

Exomala orientalis is considered a crop pest because it has been observed to feed on the leaves, stems, and fruits of various crop plants, leading to significant damage and reduced yield in agricultural fields.

crop pest

Exomala orientalis is considered a pest because it feeds on the leaves, stems, and fruits of trees, gardens, and crops, causing damage to their overall health and productivity, which can have negative impacts on agricultural and horticultural practices.

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What are the ecological impacts of oriental Beetle infestations?

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