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Lepidopterism is an irritant contact dermatitis caused by irritating caterpillar or moth hairs coming into contact with the skin or mucosa. [1] [2] When referring to the cause, moth dermatitis and caterpillar dermatitis are commonly used; Caripito itch (known as papillonite in French) [3] [4] is an older name referring to the moth dermatitis caused by some Hylesia species.
The spiny caterpillars are striking in appearance, with black bodies and a line of eight reddish-orange dots running down the back (aposematic, warning coloration). The prolegs are dark red. The body is covered with short hairs and black spines and white dots. [2] The fully grown mourning cloak caterpillars attain two inches in length. [3]
Acharia stimulea is known for having one of the strongest stings and, because the saddleback caterpillar is commonly found in ornamental plants, gardeners are most at risk of accidental exposure. The spines along the caterpillar, when broken, will release an irritating toxin into its victims that is known to cause acute urticaria in humans. [3]
The rash is caused by chemicals that cover the hairs and coat the skin on contact. Once touched, it causes an allergic reaction, which creates the appearance of a rash consisting of redness ...
Skin rashes are the most common, but there have been fatalities. [32] Lonomia is a frequent cause of envenomation in Brazil, with 354 cases reported between 1989 and 2005. Lethality ranging up to 20% with death caused most often by intracranial hemorrhage. [33] Caterpillar hair has also been known to cause kerato-conjunctivitis.
Young buck moth caterpillars are completely black in color with the spiracles (these are small holes that act as an opening to their respiratory system) appearing as pale brown color with a black edge. [9] [10] On the other hand, the more adult/older caterpillars appear a lot lighter than the youth with some even looking to be white in ...
Ochrogaster lunifer, the bag-shelter moth or processionary caterpillar, is a member of the family Notodontidae. The species was first described by Gottlieb August Wilhelm Herrich-Schäffer in 1855. Both the larval and adult forms have hairs that cause irritation of the skin . The adult moth has a woolly appearance and its wings can grow to be ...
Skin rash caused by the exposure to hairs shed by brown-tail moth larva Cicely Blair wrote a paper about the rash caused by the brown-tail moth caterpillar in the British Isles. [ 16 ] It, and other descriptions, confirmed that loose hairs can break off and cause very itchy rashes on contact with skin, as well as breathing difficulties similar ...