Entomophthora coronata was isolated from granulomatous lesions in the nasal mucosa and skin of 4 horses. The fungus grew in the tissues in the form of coenocytic hyphae. In culture E. coronata conidia germinated by production of single or multiple germination tubes, or by replication of single or multiple secondary conidia. Many of the conidia, which are multinucleate, produce hair-like appendages.