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Yellow Jacket Stings. What it looks like: Similar to wasps and bees, when a yellow jacket stings you, it pierces your skin with its stinger and injects a poisonous venom that causes sudden pain ...
Then, put a cold pack on the sting for 15 minutes or so, and use a hydrocortisone cream or calamine lotion to help with the itching. Wasps and yellow jackets “For wasps, sanitation is important ...
The close interactions between southern yellowjackets and humans commonly lead to multiple, painful stings. [19] Their stings are venomous, which causes the pain, and workers can sting several times. These stinging attacks are typically effects of alarm and occur in defense of their colony, so disturbing a nest can result in multiple stings. [20]
Face of a southern yellowjacket (Vespula squamosa)Yellowjackets may be confused with other wasps, such as hornets and paper wasps such as Polistes dominula.A typical yellowjacket worker is about 12 mm (0.47 in) long, with alternating bands on the abdomen; the queen is larger, about 19 mm (0.75 in) long (the different patterns on their abdomens help separate various species).
A sting comes from the abdomen; in most insects (which are all largely hymenopterans), the stinger is a modified ovipositor, [16] which protrudes from the abdomen. The sting consists of an insertion wound, and venom. The venom is evolved to cause pain to a predator, paralyse a prey item, or both.
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Parasitic infestations, stings, and bites in humans are caused by several groups of animals belonging to the following phyla—Arthropoda, Chordata, Cnidaria, Nemathelminthes, Platyhelminthes, Annelida, and Protozoa
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related to: yellow jacket stings itching pictures and causes