psyllid
Definition
Noun: A psyllid is a very small, active insect that resembles a cicada. It has powerful hind legs that are specially adapted for jumping. Psyllids feed by sucking the juices from plants.
Examples
- The citrus trees were infested with psyllids, which were damaging the leaves.
- Gardeners monitor for psyllids because they can spread disease to crops.
- Under a microscope, you can see the psyllid's specialized mouthparts used for feeding.
Advanced Usage
- As a collective noun: The word "psyllid" can refer to any member of the insect family Psyllidae, which contains many species.
- The researcher studied the behavior of the pear psyllid.
Variants and Related Words
- Jumping plant louse: This is a common alternative name for a psyllid, describing its behavior (jumping) and its plant-feeding habit.
- Psyllidae: (noun) The scientific family name to which all psyllids belong.
Synonyms
- Jumping plant louse
Notes on Meaning
The term psyllid refers specifically to this type of jumping, sap-sucking insect. It is not a general term for all small jumping insects or for cicadas. Its primary defining characteristics are its small size, jumping ability, and its diet of plant sap.
Noun
-
small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
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