Share this entry
dobsonfly Line breaks: dob¦son|fly
Pronunciation: /ˈdɒbs(ə)nflʌɪ/

Definition of dobsonfly in English:

noun (plural dobsonflies)

A large grey North American winged insect related to the alderflies. Its predatory aquatic larva (the hellgrammite) is often used as fishing bait.
  • Family Corydalidae, order Neuroptera: several genera and species, in particular Corydalis cornutus
Example sentences
  • Eastern dobsonflies live east of the Rocky Mountains in the United States and Canada.
  • Whereas, the aquatic immature spends several years in a stream, the adult dobsonfly lives only about 7 days.
  • Fishflies and dobsonflies are nocturnal, while alderflies are active during the day.


Early 20th century: of unknown origin.

Definition of dobsonfly in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources