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Posted in Parasite Worms Worms Facts Worms Generally

Skinny Light Brown Worm Appearing Next to Dead Spider is a Horsehair Worm

“Yesterday my kids caught a Hentz Orb-weaver in a small mason jar. I was going to set it free but I completely forgot about the spider and it was left in the sealed jar on my back porch and when I woke up I noticed the spider was dead but there was also a long skinny light brown worm like creature inside the jar next to the dead spider”, writes Kelsey in his submission regarding the worm pictured below. “I’m completely baffled because this worm was not in the jar last night and the Mason jar has a sealed aluminum lid so I can’t imagine anything getting through that. How did the worm get in the jar? Is it some kind of parasitic worm? Can orb weaver spiders carry parasitic worms? I am a little freaked out and I really want to know how and why this is possible. Please help! Oh and the worm is very much alive by the way.”

Horsehair worm by nail
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Posted in Interesting Worms

Hairlike Worms? Horsehair Worms

A reader from Texas wrote to us recently about some “hairlike worms” he is finding on the sidewalk after it rains. The hairlike worms (or hair-like worms – both are correct) are six inches to nine inches in length, which is long given their incredibly thin bodies. The reader wants to know what the hairlike worms are, and we are virtually certain we know the answer: horsehair worms. We suppose we could stop here, having unraveled the hairlike worm mystery, but below we’ll provide some information about and pictures of horsehair worms to round out the article.