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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 ?
USDA's Animal and Plant Health Inspection Service (APHIS) has assessed the potential environmental impacts associated with releasing the Japanese knotweed psyllid (Aphalara itadori) to biologically control Japanese, Giant, and Bohemian knotweeds (Fallopia japonica, F.
To help producers more effectively combat this disease that threatens their livelihoods, The Organic Center has released a paper that mines the existing body of scientific literature devoted to citrus greening, compiles relevant results, and synthesizes them to create a farmer/nurseryman-focused document that pinpoints and details organic-compliant practices for combating citrus greening and the Asian citrus psyllid (ACP) insect, which carries the disease.
The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Sternorrhyncha: Liviidae), has become one of the main citrus pests worldwide, especially for being a vector of the bacterial disease Huanglongbing (HLB) (HALBERT and MANJUNATH, 2004).
One such system of interest pertains to the pestiferous Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae), and its primary parasitoids, Diaphorencyrtus aligarhensis (Shafee, Alam & Agarwal) (Hymenoptera: Encyrtidae) and Tamarixia radiata (Waterston) (Hymenoptera: Eulophidae) (Vankosky & Hoddle 2016).
Spread by the Asian Citrus Psyllid insect, the incurable bacterial disease lowers production before ultimately resulting in the death of orange trees.
According to Dr Smagghe, the RNAi technology has been successfully implemented to tackle pests such as the Colorado potato beetle in Europe and the Asian citrus psyllid, which is a bug targeting citrus trees in Florida.
Life history of the potato psyllid Bactericera cockerelli (Homoptera: Psyllidae) in controlled environment agriculture in Arizona.
Many ant species have been reported as predators of Asian citrus psyllid Diaphorina citri Kuwayama (Hemiptera: Liviidae) (e.g., Michaud, 2004), although predation by ants has not been directly observed.
Output in the US, the second-largest producer, has been severely hit by citrus greening disease, spread by the Asian citrus psyllid.
Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemiptera: Liviidae), has emerged as the most important exotic insect pest of citrus in California.
Citrus greening, or Huanglongbing (HLB), is a bacterial disease spread by the Asian citrus psyllid. It is considered to be the most devastating citrus disease worldwide (FAO, 2015).