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Any of various plant-feeding insects of the superfamily Psylloidea, closely related to and resembling the aphids, some of which are pests of fruit trees, ornamentals, and crops.

[New Latin Psylla, type genus (from Greek psulla, flea) + -id.]


(ˈsɪlɪd) or


(Animals) any homopterous insect of the family Psyllidae, which comprises the jumping plant lice. See plant louse2
[C19: from Greek psulla flea]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.psyllid - small active cicada-like insect with hind legs adapted for leapingpsyllid - small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
plant louse, louse - any of several small insects especially aphids that feed by sucking the juices from plants
References in periodicals archive ?
Psyllid communication: acoustic diversity, mate recognition and phylogenetic signal.
It serves as a host plant for a few endemic insect species, among them the African mopane psyllid Retroacizzia mopani (Pettey, 1925) (Ernst & Sekhwela 1987).
Now scientists have proposed the sap-sucking psyllid could be introduced to eat the knotweed.
The parasite in question is a Japanese jumping plant louse or psyllid which attaches itself to plants and sucks out their sap.
Since the redgum lerp psyllid was first detected in Los Angeles in 1998, the species has afflicted trees across the state.
Classic recommendations to growers confronted with the disease are to plant disease-free nursery stock, routinely identify and remove infected trees to reduce inoculum loads, and aggressively manage populations of the psyllid (Hall et al.
The McGowan Government has drawn a line under the era of regulation of the potato industry and at the same time ensured a fair distribution to growers, many of whom continue to suffer losses as a result of tomato potato psyllid market access issues.
Potato psyllid and its associated bacterial pathogen Lso have caused considerable damage to potatoes in other states, New Zealand, and Mexico.
For example, Murraya (common name orange jasmine) is a host for Asian citrus psyllid, a dangerous pest of citrus.
Output in the US, the second-largest producer, has been severely hit by citrus greening disease, spread by the Asian citrus psyllid.
The potato psyllid, Bactericera cockerelli Sulc (Hemiptera: Triozidae), is 1 of the most damaging pests of potato (Solanum tuberosum L.