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Cluster flies (a.k.a. grass flies or attic flies) are flies of the genus Pollenia in the family Polleniidae. Unlike the more familiar blow flies , such as the bluebottle genus Phormia they do not lay eggs in human food.
Polleniidae is a family of flies in the order Diptera. There are at least 6 genera and more than 190 described species placed definitively in Polleniidae, and other genera whose placement here is considered uncertain. [2] The largest genus is Pollenia, with close to 190 species of flies commonly called "cluster flies". [3] [4]
Female cluster flies preferentially oviposit eggs in humid areas with dense surface vegetation and high soil moisture. [22] Each egg is either deposited by itself or in a small cluster of about seven eggs. [21] In total, a female cluster fly will lay an average of 100-130 eggs by ovipositing a small group, then crawling or flying some distance ...
A man with pellagra, which is caused by a chronic lack of vitamin B 3 in the diet. Severe deficiency of niacin in the diet causes the disease pellagra, characterized by diarrhea, sun-sensitive dermatitis involving hyperpigmentation and thickening of the skin (see image), inflammation of the mouth and tongue, delirium, dementia, and if left untreated, death. [7]
Niacin is available as a prescription product, either immediate release (500 mg tablets; prescribed up to 3,000 mg/day) or extended release (500 and 1,000 mg tablets; prescribed up to 2,000 mg/day). In the US, niacin is also available as a dietary supplement at 500 to 1,000 mg/tablet. Niacin has sometimes been used in combination with other ...
Example of a label showing the amount of niacin (Vitamin B3), and specifying to be niacinamide in the ingredient section.. The United States adopted in 1942 the terms niacin to nicotinic acid and niacinamide to nicotinamide to avoid references to nicotine, [12] [13] the terms were incorporated into the United States Adopted Name [14] that was created later in 1961.
Cluster flies are annoying seasonal pests, but you can keep your home cozy this winter by identifying, combating, ... This popular vitamin C serum is on sale for just $10: '60 is the new 40' ...
Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3). [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. [1] Areas of the skin exposed to friction and radiation are typically affected first. [1] Over time affected skin may become darker, stiffen, peel, or bleed. [1] [3]