Stink Bug Types: What You Need to Know. There are many different types of stink bugs found throughout the world. These insects are named for the foul odor they emit from glands in their abdomen when they feel threatened.Summer Allergy Awareness Why Mosquitoes Bite A mosquito bite often leaves an itchy weal, a raised bump, on the victim’s skin, which is caused by histamines trying to fight off the protein left by the attacking insect. Mosquitoes of the genus Toxorhynchites never drink blood.The Role of Pests in Medicine

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