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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 ?
Specific project work components will include: (1) establishing a seedling nursery and stem tip grafting laboratory for the production of healthy grafts of citrus fruits; (2) organizing workshops and implementing an IPM model so as to enhance public awareness regarding the prevention of HLB; (3) strengthening capacity to identify symptoms and perform PCR detection; (4) establishing Asian citrus psyllid traps and buffer zones for monitoring the epidemic.
These phloem-limited bacteria are transmitted in a persistent manner by the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae) (Hall et al.
A type of psyllid or jumping plant louse that will control the plant without harming wildlife has been used to limited effect.
Currently, all of Los Angeles County is under quarantine[1] for the psyllid which continues to spread across the state.
To prevent the spread of Asian citrus psyllid, a pest that carries the devastating citrus disease called Huanglongbing (HLB), do not transport fruit, leaves, or potted trees from neighborhoods under quarantine.
These days, Hopkins is kept apprised of salinization issues with wells that support the Idaho farm and concerns with the possible effects of Asian citrus psyllid on Florida citrus groves.
Citrus greening is a bacterial disease carried by the tiny Asian citrus psyllid.
Now, a jumping plant insect called aphalara itadori - a tiny 2mm-long psyllid - has been hailed as the future of the war on "what many gardeners simply call "trids" because of their similarity to the poisonous plants in the science-ction horror story e Day of the Trids.
One scientist, Agricultural Research Service entomologist Rodney Cooper, is using fine-tipped forceps and a fluorescent microscope to study the organs and tissues of the potato psyllid, a tiny, cicada-like insect that can transmit the bacterium Candidatus Liberibacter solanacearum, the cause of zebra chip.
A common foe is the Asian citrus psyllid, the vector for the disease commonly known as citrus greening, which destroys citrus trees and their fruit.
Significant efforts are aimed at controlling this costly bacterial disease and the insect responsible for spreading it, the Asian citrus psyllid.
This devastating vector-transmitted disease is caused by a bacterial pathogen, Candidatus Liberibacter asiaticus (CLas), and spread by the Asian citrus psyllid (Diaphorina citri Kuwayama).