Iowa Pesticide Category 3OT Practice Test 2026 - Complete Exam Prep

Question: 1 / 400

Which of the following insects is identified as a leaf feeder on ornamentals?

Termite

Japanese beetle

The Japanese beetle is recognized as a leaf feeder on ornamentals due to its feeding habits, which involve consuming the tissue between the leaf veins, resulting in a characteristic skeletonization appearance. This feeding behavior can cause significant damage to a variety of ornamental plants, making the Japanese beetle a notable pest in gardens and landscapes.

In contrast, termites primarily focus on wood and plant roots, while ants are more scavengers or farmers of aphids rather than direct leaf feeders. Spider mites, although they do cause harm to plants, are not insects but arachnids, and their feeding method involves piercing and sucking sap from the leaves rather than consuming them outright. Thus, the identification of the Japanese beetle as a significant leaf feeder stands out based on its direct impact on ornamental foliage.

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Ant

Spider mite

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