>>31984081>>31984091>>31984110>>31984144Galvantula has 4 legs and two whatever-those-are by its mouth.
Ariados has 6 legs. It doesn't matter if they aren't used for walking, they're still legs. Spinarak has 6 legs and the ones on Ariados are just adapted.
>>31984146>>31984188No it doesn't. And they're not useless. Their purpose is to work backward and a hold of its own web, like when they're hanging from a thread.
Pic related is a bad example because the legs aren't actually touching the web, but you see what I mean.