PhilomycusPhilomycus is a genus of air-breathing land slugs in the family Philomycidae, the mantleslugs.BiologyThese slugs create and use love darts as part of their mating behavior.SpeciesSpecies within the genus Philomycus include:Philomycus batchi - dusky mantleslug Philomycus bilineatus Philomycus bisdosus - grayfoot mantleslug Philomycus cardmensis Philomycus carolinianus - Carolina mantleslug Philomycus dorsalis Philomycus flexuolaris - winding mantleslug Philomycus pennsylvanicus Philomycus sellatus - Alabama mantleslug Philomycus togatus - toga mantleslug Philomycus venustus - brown-spotted mantleslug Philomycus virginicus - Virginia mantleslug