Black widows are known for cannibalizing their mates, but this doesn’t actually happen all the time. The exception seems to be the red widow, where the male force feeds himself to the female by placing himself into her mandibles. If she ‘spits him out,’ so to speak, he will keep placing himself there until she eventually eats him.
While most spiders are solitary animals, there are some that form communities building large communal cobwebs. Colonies can number in the thousands of individuals and they will work together to incapacitate prey trapped in their webs and share the harvest with each other.
There are some ingenious ways spiders use to capture prey. For instance, the ogre-faced spider weaves a net between its front legs and then dangles above places where prey are likely to pass through. By using its web like a net, it scoops up hapless prey. Bolas spiders use a long line of silk ended with a spot of sticky glue (a bolas), swinging it at nearby moths to catch them, much like a fishing line.
The dance known as the tarantella is thought by some to have originated from the belief during the 16th and 17th centuries that the bite of a certain kind of wolf spider (named “tarantula,” being found in the Taranto region of Italy) would be fatal unless the victim engaged in frenzied dancing to certain music.
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