Definition

1. Noun:
   • A small greenish aphid: "greenfly" refers specifically to a type of aphid that is greenish in color.
   • A garden and crop pest: It is an insect that feeds on the sap of plants, commonly considered a pest in gardens and agricultural settings.

Usage Examples

• Noun:
  • The rose bush is infested with greenfly. (The rose bush has a large number of these small green insects on it.)
  • Greenfly can cause significant damage to bean plants. (These aphids can harm bean crops.)

Advanced Usage

• Collective use: Often used in a collective sense, referring to a population or infestation.
  • We need to control the greenfly on these lettuces. (We need to manage the aphid infestation on these lettuce plants.)

Variants and Related Words

• Aphid (n): The general term for the family of small sap-sucking insects to which greenfly belong.
  • Greenfly are a common type of aphid.
• Blackfly (n): Another type of aphid, typically dark in color.
  • Unlike greenfly, blackfly often attack broad bean plants.

Synonyms

• Plant louse: A less common, general synonym for aphid.

Related Phrases

• Greenfly infestation: A common phrase describing a problematic number of these insects on plants.
  • The gardener is treating a severe greenfly infestation.

Noun

1. greenish aphid; pest on garden and crop plants