dobsonfly
Noun: 1. A large, soft-bodied insect: Refers specifically to an insect of the family Corydalidae, characterized by a large, soft body. The adult males are notable for their extremely long, slender mandibles (jaws), which are often much longer than the insect's body. The aquatic larval stage of this insect is commonly known as a hellgrammite and is frequently used by anglers as fishing bait.
- Noun:
- We saw a male dobsonfly attracted to the porch light; its long, curved mandibles looked fearsome but are harmless to humans.
- The dobsonfly larva, called a hellgrammite, is a prized bait for catching bass and trout.
- Entomologists study the dobsonfly as an indicator of clean, fast-moving streams because its larvae require high water quality.
- As an indicator species: In environmental science, the presence of dobsonfly larvae (hellgrammites) in a water body is a strong biological indicator of good water quality and minimal pollution, as they are sensitive to contaminants.
- Hellgrammite (noun): The aquatic larval stage of the dobsonfly. This is the form most commonly encountered and used as bait.
- He turned over rocks in the stream to find a hellgrammite for bait.
- Corydalidae (noun): The scientific family name for dobsonflies and their close relatives, the fishflies.
- Hellgrammite (specifically for the larval form).
- Toe-biter (a colloquial name sometimes used, though this more commonly refers to giant water bugs).
The word dobsonfly has only one primary meaning in modern English, referring specifically to insects of the genus Corydalus or the family Corydalidae. It is not used idiomatically or in phrasal verbs. Its significance lies in entomology, ecology (as a bioindicator), and recreational fishing.
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large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait
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