The intermediate hosts of several Thelazia species are known, and in each case they are tear-feeding flies of the genera Musca (family Muscidae), Phortica (family Drosophilidae), or Fannia (family Fanniidae).
Fannia |
Fannia Mary Cohn was born on April 5, 1885 to an ethnic Jewish family in Kletsk, Belarus, then part of the Russian empire.