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Caterpillars of many species can cause irritation by their hollow body hairs that envenom or detach easily, or can be poisonous if ingested. [5] Prior to investigations into Lonomia caterpillars, it was not known that caterpillars could produce toxins in sufficient quantities to kill a human.
These toxic species, such as the cinnabar moth (Tyria jacobaeae) and monarch (Danaus plexippus) caterpillars, usually advertise themselves with the danger colors of red, yellow and black, often in bright stripes (see aposematism). Any predator that attempts to eat a caterpillar with an aggressive defense mechanism will learn and avoid future ...
Lonomia sp.. The genus Lonomia is a moderate-sized group of fairly cryptic saturniid moths from South America, famous not for the adults, but for their highly venomous caterpillars, which are responsible for a few deaths each year, [1] especially in southern Brazil, and the subject of hundreds of published medical studies.
Effects from the poisonous bristles under their fur have been compared with a wasp or jellyfish sting. The Initial symptom of being stung by a puss caterpillar is usually just a painful skin ...
The puss caterpillar is covered in venomous spines hidden beneath its hair coat. Months after the emergene of murder hornets in the U.S., there is a new bug menace. The puss caterpillar is covered ...
These large, bright green caterpillars may look dangerous, but they are nothing to be afraid of and will eventually turn into a regal moth. These large, bright green caterpillars may look ...
Generally, setae are only externally irritating, but may be more dangerous if contact is made with mucous membranes or if ingested; some can cause severe skin necrosis, eczema-like symptoms and shedding. Certain species of Lonomia (family Saturniidae) can inject venom that is life-threatening to humans. [6]
The caterpillars are mostly found in oak trees or on the ground under them in late spring and early summer, and do not live on fences, walls, etc. as other caterpillars do. They have very long, white hairs contrasting markedly with shorter hairs. [1] The caterpillars of several other species may be mistaken for the oak processionary. [3]