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Unit 15 Entomology Insect Orders • Animals are classified by structure and characteristics • All insects belong to the Class Insecta • Insects are divided into 26 Orders • Species is the most detailed classification Beneficial and Harmful Insects Beneficial • Ladybug eat aphids • Bees spread pollen • Carpenter ants create a natural fertilizer Harmful • Aphids suck plant juices • Termites damage wood • Insecticides can be used to control harmful insects Insect Parts Head Thorax Abdomen Eyes Wings Digestive system Mouthparts Legs Reproductive system Antennae Stinger (if present) Life Cycle Insect Collection • Learn how insects look, where they live and what they do • Collection Process – Captured – Killed – Pinned • Insects should be stored in a container to protect them
