Scientists have warned against a giant, invasive, spider that is more at home in built-up areas than out in the wild. The term invasive is used to describe animals and plants that are not native to a certain area or country. Invasive animals in the US include the gray squirrel, the green crab, the cane toad, and the infamous Burmese python. Introducing the Jorō spiderJorō spiders (Trichonephila clavata), a type of orb-weaving arachnid, are instantly recognizable thanks to their bright yellow banded legs and their ability to weave golden webs of 6 feet (1.8 meters) across. The females, at aroun…