Forget mustache envy!

Nephila komaci as the largest web spinning spider known to science. Only the females of this groups of species are giants, with a leg span of up to 12cm (4.7in); the male spiders are tiny by comparison. Courtesy of BBC.
These spiders are found in Madagascar & Maputaland. While Nephila spiders have been widely studied by scientists, this particular species has just been discovered, supporting the widely accepted evolutionary theory that female gigantism occurs in order to produce larger number of offspring.
And, not bad work for the considerably smaller male:

