thelazia lacrymalis in horses in kentucky and observations on the face fly (musca autumnalis) as a probable intermediate host. | eyes from 114 (30.3%) of 376 dead horses, examined from 3 april 1975 to 3 april 1976, were naturally infected with adult thelazia lacrymalis; 1 horse was also infected with 1 male thelazia skrijabini. adult t. lacrymalis from dead horses were successfully transferred mechanically to the eyes of 3 of 4 shetland ponies raised helminth-free. larvae from gravid female t. lacrymalis underwent development in experimentally infected, laboratory-raised face flies (musca autumnalis) and third-stage larva ... | 1976 | 1033990 |