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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]
Lonomia obliqua is a species of saturniid moth ("giant silk moth") from South America. [1] It is famous for its larval form, rather than the adult moth, primarily because of the caterpillar's defense mechanism, urticating bristles that inject a potentially deadly venom.
They are eaten by green lacewing insects and the Anolis lizards. They have venomous spines that can cause a painful sting and inflammation lasting for several days. In some cases, the sting may cause headache, nausea, and shock-like symptoms. Perhaps the most notorious for stinging is the caterpillar of Megalopyge opercularis. Caterpillars have ...
This gigantic green caterpillar was found wandering over a stump at a cottage in Parry Sound, Ontario. It was as big as a small sausage and the mandibles looked strong enough to cut through a ...
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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 ...
If the caterpillars hatch in the spring and feed on oak catkins they appear green. If they hatch in the summer they appear dark colored, like oak twigs. The differential development is linked to the tannin content in the diet. [15] Caterpillars may even have spines or growths that resemble plant parts such as thorns.
Many limacodid larvae are green and fairly smooth (e.g. yellow-shouldered slug), but others have tubercles with urticating hairs and may have bright warning colours. The sting can be quite potent, [6] causing severe pain. The larval head is concealed under folds. [2]