We all know that silk comes from caterpillars, another wonder of these beautiful animals. A startling black and white color this caterpillar has a sting which is still visible up to two weeks later. In the end, you will recover more easily from your caterpillar sting. Caterpillars that are toxic and sting are generally hairy or have spikes on their bodies. Severity of Sting: Like the stinging rose caterpillar, the sting of this species is similar to that of a nettle. What is the best plan for treatment should you either … NEW ORLEANS, LA (WVUE) - Spring brings a painful downside in south Louisiana in the form of stinging buck moth caterpillars. Io Moth (Automeris io) The caterpillar is overall light green to yellow, but along each side there is a narrow red line bordered below by a white line. This South American species is related to the stinging io and buck moth caterpillars described on this lens. In addition, the spines of the buck moth are longer than those of the other two species (Ferguson 2005). For more information on buck moth caterpillars control, call the experts at Orkin today. The Spiny Oak Slug Caterpillar Moth This is the pretty adult moth of Euclea delphinii . But have no fear, we have some quick and easy steps to take care of that sting. Buck moth caterpillar. Buck Moth Caterpillar (Hemileuca maia) Buck moth caterpillars (photo at top of page) can be tricky to identify, with both a light form and a dark form. There are several closely related moths in the genus Hemileuca, and the larvae of all of them can sting. Tis the Season: Treating Buck Moth Caterpillar Stings May 13, 2018. Spines cause sudden stinging redness and swelling in the affected area. Spines have a toxin gland at the base that is released when spines break off into the skin. Read about their life cycle, stings, and more. Buck Moth Caterpillar (Hemileuca maia) Buck moth caterpillars (photo at top of page) can be tricky to identify, with both a light form and a dark form. Spines have a toxin gland at the base that is released when spines break off into the skin. ... which if they touch your skin can cause a nasty rash and deliver a terrible sting inducing immediate pain, severe itching, swelling and redness. A mature buck moth caterpillar. Learn about what makes these caterpillars unique. The parts of these caterpillars you want to be weary of are the yellow or green fleshy protrusions that are tipped in black and extend from the back of the caterpillar. There are several closely related moths in the genus Hemileuca, and the larvae of all of them can sting. Buck moth caterpillars have a dark form and a light form; both forms have dark, lateral rows of multi-branched spines along their backs. When molested, the caterpillar usually stops feeding and remains motionless, counting on camouflage and the urticating spines for protection.