Blue Spiders
Pattern: The Blue Spider is also relatively easy to master tactics, they move in a slightly zig zag-like pattern, but straight, just like the Black Spiders. So basically, they move the exact same way except in slight zig-zag patterns, but don't worry about it.
Strategy: If you can apply the Black Spider strategy correctly [and their really is no excuse] then you should have no problem with these critters.