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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]
The later-instar caterpillars are seen between July and October. [4] They feed in groups of about 100 or so in the early instars, [4] skeletonizing leaves. Older larvae are solitary. They grow up to 4.5 centimeters long before pupating. Larvae primarily feed on hickory, pecan, and walnuts, but will also eat ash, elm, oak, willow, and other ...
The sting is typically used to immobilize prey, but in some wasps and bees may be used in defense. [8] Hymenopteran larvae typically have a distinct head region, three thoracic segments, and usually nine or 10 abdominal segments. In the suborder Symphyta, the eruciform larvae resemble caterpillars in appearance, and like them, typically feed on ...
Saddleback caterpillar, Acharia stimulea, the larva of a species of moth native to eastern North America; Saddleback clownfish, Amphiprion polymnus, a black and white species of anemonefish; Saddleback seal, or harp seal, Pagophilus groenlandicus; Saddleback toad, a genus of small, colourful toads the family Brachycephalidae
A sting comes from the abdomen; in most insects (which are all largely hymenopterans), the stinger is a modified ovipositor, [16] which protrudes from the abdomen. The sting consists of an insertion wound, and venom. The venom is evolved to cause pain to a predator, paralyse a prey item, or both.
Larvae might be confused with the similarly flattened larvae of lycaenid butterflies, but those caterpillars have prolegs, are always longer than they are wide, and are always densely covered in short or long setae (hair-like bristles). The head is extended during feeding in the lycaenids, but remains covered in the Limacodidae.
Unlike most other stings, honey bee workers' stings are strongly barbed and lodge in the flesh of mammals upon use, tearing free from the honey bee's body, killing the bee within minutes. [2] The sting has its own ganglion, and it continues to saw into the target's flesh and release venom for several minutes. This trait is of obvious ...
The greyish caterpillar is truly polyphagous, feeding on a huge range of plants. As a caterpillar, the species is known as the saddleback looper. [5]