ladybird beetle
Học thuậtThân thiện
Definition
Noun A small, typically round or hemispherical beetle, often brightly colored and spotted, belonging to the family Coccinellidae. Ladybird beetles are commonly known as ladybugs and are generally considered beneficial because both the adult and larval stages feed primarily on aphids and other small insect pests.
Usage
The term "ladybird beetle" is the formal, entomological name for the insect commonly called a ladybug or ladybird. It is used in scientific, educational, and sometimes general contexts to refer specifically to these beetles. - The ladybird beetle is a natural form of pest control in gardens. - Children are often delighted by the bright red color of a ladybird beetle.
Advanced Usage
- Biological Control Agent: In agriculture and horticulture, "ladybird beetle" is used to describe these insects in the context of integrated pest management (IPM).
- Farmers sometimes release ladybird beetles into greenhouses to manage aphid populations organically.
Variants and Related Words
- Ladybug (noun): The common North American name for a ladybird beetle.
- A ladybug landed on my hand.
- Ladybird (noun): The common British English name for a ladybird beetle.
- The ladybird has seven spots.
- Coccinellid (noun): The scientific family name, often used as a synonym in technical writing.
- The coccinellid population has increased this season.
Synonyms
- Ladybug (primarily North American English)
- Ladybird (primarily British English)
- Lady beetle (a common variant)
Related Phrases and Idioms
- "As lucky as a ladybird": While not a standard idiom, ladybugs/ladybirds are culturally associated with good luck in many countries. A common saying is "Ladybug, ladybug, fly away home," from a traditional nursery rhyme.
- She said finding a ladybird beetle on her window was a sign of good fortune.
Noun
- small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests