Summary[edit] Description: English: An illustration from British Entomology by John Curtis. Diptera: Limnobia ocellaris or Epiphragma ocellare (Ocellated Gnat).The plant is Potentilla reptans (Common Cinquefoil). Date: 1820s date QS:P,+1820-00-00T00:00:00Z/8. Source: https://www.biodiversitylibrary.org/. Author: John Curtis.