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Megalopyge opercularis is a moth of the family Megalopygidae.It has numerous common names, including southern flannel moth for its adult form, and puss caterpillar, asp, Italian asp, fire caterpillar, woolly slug, opossum bug, [3] puss moth, tree asp, or asp caterpillar.
The caterpillar has been responsible for many human deaths, especially in southern Brazil. Its venom has been the subject of numerous medical studies. [2] The species was first described by Francis Walker in 1855. Guinness World Records classified Lonomia obliqua as the most venomous caterpillar in the world. [3]
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.
The one-inch puss caterpillar is named for its cute cat-like fur, but it is the most venomous caterpillar in the United States. Although they appear to be furry and soft, the caterpillars actually ...
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 ...
The gypsy moth caterpillar has been reported to produce a poison ivy like rash when some people come into contact with the hairs of the larvae (caterpillar) stage. The contact can be direct or even indirect, if the small hairs are carried by the wind and onto the skin or clothing of a person.
The oak processionary (OPM) (Thaumetopoea processionea) is a moth whose caterpillars can be found in oak forests, where they feed on oak leaves, causing significant damage.. They travel in nose-to-tail processions (hence their name), often arrow-headed, with a leader followed by rows of several caterpillars abreast
The caterpillar has been reported to cause irritation to humans. [1] [2] [3] Like all limacodids, the legs are shortened and the prolegs are reduced to suction cups. The "arms" or tubercles can fall off without harming the caterpillar, aiding the larva in defense. The larvae are 1.5–2.5 centimetres (0.59–0.98 in) in length. [1] [2]