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May make red itchy welt; several days. Later bites are less severe. Biting flies: any exposed skin painful and immediate Painful welt, several hours. Bed bugs: appendages, neck, exposed skin usually not Low red itchy welts, usually several together resembling rash, slow to develop and can last weeks. Hair Lice: pubic area or scalp usually not
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
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Synoeca septentrionalis exhibits a blackish or dark blue color and has a metallic-like appearance. [1] Their wings are also quite large and are entirely infuscate. [1] Their metasomal tergum (a portion of the abdomen) and sternum both exhibit erect hairs, and their clypeus is imprinted with an area that resembles a dark triangle. [1]
Insect sting allergy is the term commonly given to the allergic response of an animal in response to the bite or sting of an insect. [1] Typically, insects which generate allergic responses are either stinging insects ( wasps , bees , hornets and ants [ 2 ] ) or biting insects ( mosquitoes , ticks ).
If stung, the site will appear red and may remain itchy and swollen for many days. [12] The best treatment of stings is to first wash the area with soap and water, then use an antiseptic, and if swelling remains apply an ice pack. [12] Many people are allergic to wasp venom, and if this is the case, a sting can result in severe anaphylactic shock.
With insect stings, a large local reaction may occur in the form of an area of skin redness greater than 10 cm in size that can last one to two days. [31] This reaction may also occur after immunotherapy. [32] The way our body responds to foreign invaders on the molecular level is similar to how our allergens are treated even on the skin.
The sting of nearly all other bees and other sting-bearing organisms is not barbed and can be used to sting repeatedly. The description of barbed or unbarbed is not precise: there are barbs on the stings of yellowjacket wasps and the Mexican honey wasp, but the barbs are so small that the wasp can sometimes withdraw its sting apparatus from ...