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A harvestman
(aka daddy longlegs)
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Though many people know these as "daddy longlegs," another common name for them is "harvestman."
They earned this name since their habit of waving their long legs about as they travel gives the appearance of reaping crops.
It's not surprising if ones you've seen look a bit different, since there are thousands of species of harvestmen.
They are NOT spiders
Yes, they do have eight legs and they may give a spider-like impression, but they have only two eyes, they do NOT produce silk to spin webs or capture prey, and they have a fused body, NOT a two-part body.
(There is a daddy longlegs spider, but that is in a different order.)
They are NOT dangerousAn odd, but common myth: "Daddy-longlegs are one of the most poisonous spiders, but their fangs are too short to bite humans." Since our daddy longlegs are so common, if they were indeed poisonous, we would all have died long ago!
(When we were tent-camping, the sides of the tent always attracted a number of daddy longlegs, which we carefully brushed off before packing up the tent.)
They are a beneficial part of the soil food webThey live above ground, but as part of the soil food web, they function as decomposers, detritivores, scavengers, herbivores, and predators.
Learn more about this creature at
MentalFloss.
Learn more about life in the soil in the book titled
Life in the Soil by James B. Nardi (available at the library).