ephemerid

Thân thiện

A mayfly, an ephemerid, rests on a riverbank leaf.

Definition

Noun: 1. A short-lived insect: An ephemerid is an insect belonging to the order Ephemeroptera, commonly known as mayflies. These insects are characterized by having a very brief adult life stage, often lasting only a few hours to a few days, which is spent primarily for reproduction.

Usage Examples

• Noun:
  • The river's health is often indicated by the presence of ephemerids, as their larvae are sensitive to pollution.
  • Anglers use artificial flies that mimic ephemerids to catch trout.

Advanced Usage

• Scientific Context: In entomology and ecology, "ephemerid" is used to discuss the life cycle, habitat, or role of mayflies in aquatic ecosystems and food webs.
  • The study focused on the diversity of ephemerid species in the watershed.

Variants and Related Words

• Ephemeroptera (n): The scientific order name for mayflies.
• Ephemeral (adj): Lasting for a very short time. (Note: This is a related adjective describing brevity, not a variant of the noun "ephemerid").
• Mayfly (n): The common name for insects in the order Ephemeroptera.

Synonyms

• Mayfly
• Dayfly (less common)

Notes on Meaning

The word "ephemerid" refers specifically to the insect. It should not be confused with the adjective "ephemeral," which describes anything short-lived, not just insects. The defining characteristic of an ephemerid is its extremely short adult lifespan.

Học thuật

Noun

1. short-lived insect

Từ đồng nghĩa

• ephemeropteran