MastigusaMastigusa is a genus of dwarf sheet spiders that was first described by Anton Menge in 1854.Species, this genus includes four species:Mastigusa arietina – Europe, Turkey, Russia, Georgia, IranMastigusa diversa – Britain, Portugal, Spain, AlgeriaMastigusa lucifuga – France Mastigusa macrophthalma – Slovenia, Croatia, Bosnia and Herzegovina, Bulgaria