Definition of subimago in English:

subimago

noun

Entomology
  • The penultimate or subadult stage in the development of a mayfly, prior to the final moult but capable of flight.

Origin

Mid 19th century. From sub- + imago, after German Subimago (H. Burmeister, 1838 or earlier). Compare French subimago.

Pronunciation

subimago

/ˌsʌbɪˈmeɪɡəʊ//ˌsʌbɪˈmɑːɡəʊ/