![White Marked Tussock Moth](https://npr.brightspotcdn.com/dims4/default/e3f59fd/2147483647/strip/true/crop/1200x668+0+0/resize/880x490!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Flegacy%2Fsites%2Fwltr%2Ffiles%2F201805%2FWhiteMarkTussockMoth_0.jpg)
Credit White Marked Tussock Moth / Mark Dreiling [CC BY-NC 3.0 US], Bugwood.org
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Mark Dreiling [CC BY-NC 3.0 US], Bugwood.org
The bristles on this caterpillar can cause allergic reactions in some people.