The caterpillar, which is the larval stage of butterflies and moths, is much dangerous. Brushing up against it may lead to many health issues including headaches, nausea, irritation and rashes. Some caterpillars are easy to identify because of its unique features. They have many surprising ways to protect themselves like weaving net which is as long as 20 feet. The most common tactics is wearing hairs and spines that pack toxic.
The puss caterpillar which is otherwise known as southern flannel moth and pussy moth is very cute, but only in looks. If you touch this poisonous spine, it will release venom into your system and will cause severe pain. Other symptoms include headaches, nausea, vomiting, intense abdominal distress, lymphadenopathy, lymphadenitis, and sometimes shock or respiratory stress.
The bright coloring of the saddleback caterpillar will help you to spot it. The fleshy horns which can be seen on the end of both sides of the body are covered with venomous hairs. Brushing up against it may lead to pain, swelling, nausea and a rash that will last for several days.
The Stinging Rose caterpillar, which is an endangered species, can be found in forests of the eastern US. This brightly-colored caterpillar has vivid yellows and reds tubercles jutting from its sides. If you touch one, the black tip will break off and release poison.
Spiny Oak Slug caterpillar usually reside in oak and willow trees, as well as beech, cherry, maple and other deciduous trees. It has spiny tuberclues along the back and sides with spikes known as ‘calltrop’ spines and will cause rashes in your body.
Some caterpillars dine on poisonous plants. Cinnibar caterpillar is one among them, which eat poisonous ragwort. Touching it may cause rashes. And, sometimes it can even cause urticarial dermatitis, atopic asthma, consumption coagulopathy, renal failure, and intracerebral hemorrhage.
Pine Processionary caterpillars can be seen usually in groups living in large silk “tents” in pine trees. The caterpillars are covered with harpoon shaped tiny hairs, which will cause serious skin irritation.
Like Pine Processionary caterpillars, the bag shelter caterpillars also live in groups in silk tents. During night they come out in a single line to feed. The caterpillar, which can be found South America, is highly venomous in the sense that whoever brush up against it will start to bleed profusely (even to death) from the smallest cut, or from internal bleeding.
The Io moth caterpillar can be found all over Canada and Florida. These tiny green blobs with spikes are capable of producing venom that can cause painful itching or even dermatitis.
These white and black caterpillars with their long black toxic hairs will cause rashes or more serious medical problems.
Giant Silkworm Moth Caterpillar has a more dangerous name- the assassin caterpillar. Its spines are filled with anti-coagulent venom which can cause death. If you brush against it, you will experience effects of headache, fever and vomiting and if left untreated, can cause massive internal hemorrhaging, renal failure, and hemolysis.