At first glance, the spider in this Instagram video looks as if it is possessed, its body contorting, twisting, and splitting open. While this image can be startling, there’s no need to alert the ...

The scary-looking, ominously-named wolf spider is actually a beneficial insect. Wolf spiders belong to the class Arachnida and are members of the family Lycosidae (derived from the Greek word lycos, ...