psylla

Thân thiện

A gardener spots a tiny green psylla on a rose leaf.

Definition

Noun: * A small, active insect resembling a cicada, with hind legs adapted for leaping. It feeds on plant juices and is commonly known as a jumping plant louse.

Usage

The word "psylla" is a scientific/common name used primarily in entomology, agriculture, and gardening to refer to a specific type of plant-feeding insect. It is often used with a modifier specifying the host plant.

Examples

• The pear tree was infested with psylla, causing the leaves to curl and yellow.
• Researchers are studying the life cycle of the carrot psylla.
• An outbreak of psylla can severely damage citrus crops.

Advanced Usage

• The term is often used in its plural form, psyllae or more commonly psyllas, when referring to multiple insects or an infestation.
  • The orchard manager monitored the trees for signs of psyllas.

Variants and Related Words

• Psyllid (noun): This is a more frequently used synonym for "psylla." Both terms refer to insects in the family Psyllidae.
  • The Asian citrus psyllid is a major pest.
• Jumping plant louse (noun phrase): This is the descriptive common name for insects in this group.

Synonyms

• Jumping plant louse
• Psyllid

Different Meanings

The word "psylla" has a single, specific meaning in English, referring to the insect described above. It is not used idiomatically or in phrasal verbs.

Học thuật

Noun

1. small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices

Từ đồng nghĩa

• jumping plant louse
• psyllid