caddice-fly
Học thuậtThân thiện
Definition
Noun: A small, moth-like insect belonging to the order Trichoptera. It is characterized by having two pairs of hairy, membranous wings. The insect is most notable for its aquatic larval stage, during which the larvae often build protective cases from silk and available materials like sand or plant debris.
Usage and Examples
- Noun:
- The caddice-fly is often seen near streams and rivers.
- Anglers study the caddice-fly to imitate it for fly fishing.
- The life cycle of the caddice-fly includes an aquatic larval stage.
Advanced Usage
- In Scientific Context: The term is used in entomology and ecology to describe insects whose larvae are important indicators of water quality.
- The presence of caddice-fly larvae suggests a healthy, unpolluted stream.
Variants and Related Words
- Caddisfly: An alternative, more common spelling of the word.
- Caddis Worm: Refers specifically to the aquatic larval stage of the caddice-fly.
- Trichoptera: The scientific order to which caddice-flies belong.
Synonyms
- Sedge Fly: A common name used, particularly in fly fishing.
- Rail-fly: A less common regional synonym.
Related Phrases and Terms
- Caddis Case: The tubular protective case built by the larva.
- The caddis case is often camouflaged with bits of the local environment.
- Caddis Hatch: An event where many adult caddice-flies emerge from the water simultaneously.
- The trout were feeding aggressively during the evening caddis hatch.
Noun
- small moth-like insect having two pairs of hairy membranous wings and aquatic larvae