Belgian biologists Bosmans and Bosselaers discovered in the early 1980s a Cameroonese spider, which they in 1994 named Pachygnatha zappa because "the ventral side of the abdomen of the female of this species strikingly resembles the artist's legendary moustache".
Belgian biologists Bosmans and Bosselaers discovered in the early 1980s a Cameroonese spider which they in 1994 named Pachygnatha zappa because "the ventral side of the abdomen of the female of this species strikingly resembles the artist's legendary moustache"