Definition of dobsonfly in English:
dobsonfly
nounPlural dobsonfliesˈdɒbs(ə)nflʌɪˈdäbsənˌflī
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 sentencesExamples
- The fierce-looking, winged dobsonfly has a life cycle that lasts two to five years.
- Eastern dobsonflies live east of the Rocky Mountains in the United States and Canada.
- With the exception of the wetland species, dobsonflies are generally found in well-oxygenated lakes and streams.
- Fishflies and dobsonflies are nocturnal, while alderflies are active during the day.
- Whereas, the aquatic immature spends several years in a stream, the adult dobsonfly lives only about 7 days.
Origin
Early 20th century: of unknown origin.