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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]
Lonomia obliqua has a toxic venom which causes disseminated intravascular coagulation and a consumptive coagulopathy, which can lead to a hemorrhagic syndrome. The toxins are stored in sacs at the base of each spine. As the spines penetrate the victim, venom flows through the hollow bristles and into the puncture wound. [7]
Various plants unrelated to true nettles (Urtica species) possess similar defensive bristles, and the common names often reflect this (e.g. "bull nettle"). Many cacti of the sub-family Opuntioideae feature fine, loosely attached short spines called glochids. When the plant is disturbed many of these spines fall off and penetrate the 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 ...
The Coconut black headed caterpillar (Opisina arenosella), is a species of moth found in throughout East Asian countries including Bangladesh, India, Sri Lanka, Myanmar, as well as Indonesia. It is considered a pest of coconut palm trees, causing considerable damage to the trees, and reducing the plant's yield significantly and can be a major ...
Stings from this toxic creature can cause headaches, nausea, vomiting, chest pain and blood spots around affected region. Despite their cute fuzzy exterior, stay away from these harmful caterpillars.
Caterpillar (top view) The larva, a caterpillar, is completely covered in long, hairlike setae arranged in spreading tufts. Most are white, but there are black tufts along the middle of the back, and four long black hair pencils, two near the front, and two near the back. There are black spots along the sides, and the head capsule is black.
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 ...