Arisarum and Erysimum are both genuses of what?
Arisarum Arisarum is a genus of flowering plants in the Araceae family. It is native to the Mediterranean region, east to the Caucasus and west to islands of the eastern North Atlantic.
Eresus Eresus is a genus of velvet spiders comprising several species. Members of the genus formerly called "Eresus cinnaberinus" or "Eresus niger" are now placed in one of three species: "Eresus kollari", "Eresus sandaliatus" and "Eresus moravicus". All have been called "ladybird spiders".