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Wasp stinger, with droplet of venom. A stinger (or sting) is a sharp organ found in various animals (typically insects and other arthropods) capable of injecting venom, usually by piercing the epidermis of another animal. An insect sting is complicated by its introduction of venom, although not all stings are venomous
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These photos of 11 common bug bites and stings can help you identify what's responsible. Plus, symptoms and expert tips to help identify and treat insect bites. ... Bee and wasp stings may have a ...
A European hornet stinger under an optical microscope. Hornets have stingers used to kill prey and defend nests. Hornet stings are more painful to humans than typical wasp stings because hornet venom contains a large amount (5%) of acetylcholine. [8] [9] Individual hornets can sting repeatedly.
Abe 2] While a single wasp cannot inject a lethal dose, multiple stings can be lethal even to people who are not allergic if the dose is sufficient, and allergy to the venom greatly increases the risk of death. Tests involving mice found that the venom falls short of being the most lethal of all wasp venoms, having an LD 50 of 4.0 mg/kg.
Social wasps use their stingers solely for defense, according to National Geographic. Sting symptoms can range from pain and swelling to redness and hives, according to Johns Hopkins Medicine of ...
Synoeca is a genus of eusocial paper wasps found in the tropical forests of the Americas. Commonly known as warrior wasps or drumming wasps, they are known for their aggressive behavior, a threat display consisting of multiple insects guarding a nest beating their wings [2] in a synchronized fashion, and an extremely painful sting (rating at the highest level of 4 in the Schmidt sting pain index).