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Do insects have a sense of smell?

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Insects don't have noses the way mammals do but that doesn't mean they don't smell things. Insects are able to detect chemicals in the air using their antennae or other sense organs. An insect's acute sense of smell enables it to find mates, locate food, avoid predators, and even gather in groups. read more

These insects would not be able to survive without their sense of smell, he said. Insects "smell" with their antennae. Pheromone-binding proteins (PBP) pick up pheromones at pores in the outside of the antenna and carry them through a watery layer to the nerve endings, where they are released. read more

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