Which genus has more species, Cyclamen or Ostrowskia?
Ostrowskia Ostrowskia is a genus of plants in the Campanulaceae. There is only one known species, Ostrowskia magnifica, native to the Central Asian nations of Afghanistan, Kyrgyzstan and Tajikistan.
Osmia bicolor Osmia bicolor, the two-coloured mason-bee, is a Palearctic species of bee in the genus "Osmia". It is outstanding amongst other megachilid bees in that it nests in empty snail shells.