In Vitro Cellular & Developmental Biology - Animal

, Volume 45, Issue 7, pp 317-320

First online:

Establishment of Asian citrus psyllid (Diaphorina citri) primary cultures

  • Mizuri Marutani-HertAffiliated withUSDA, ARS, US Horticultural Research Lab Email author 
  • , Wayne B. HunterAffiliated withUSDA, ARS, US Horticultural Research Lab
  • , David G. HallAffiliated withUSDA, ARS, US Horticultural Research Lab

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The Asian citrus psyllid (AsCP), Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is a highly competent vector of the phloem-inhabiting bacterium Candidatus Liberibacter asiaticus associated with the citrus disease huanglongbing (HLB). Commonly referred to as citrus greening disease in the USA, HLB causes reduced fruit yields, quality, and ultimately tree death and is considered the most serious citrus disease. HLB has become a major limiting factor to the production of citrus worldwide. Studies of HLB have been impeded by the fact that C. Liberibacter has not yet been cultured on artificial nutrient media. After being acquired by a psyllid, C. Liberibacter asiaticus is reported to replicate within the psyllid and is retained by the psyllid throughout its life span. We therefore hypothesized that C. Liberibacter asiaticus could be cultured in vitro using psyllid cell cultures as the medium and investigated the establishment of a pure culture for AsCP cells. Several commercially available insect cell culture media along with some media we developed were screened for viability to culture cells from AsCP embryos. Cells from psyllid tissues adhered to the plate and migration was observed within 24 h. Cells were maintained at 20°C. We successfully established primary psyllid cell cultures, referred to as DcHH-1, for D. citri Hert-Hunter-1, with a new media, Hert-Hunter-70.


Asian citrus psyllid Hemiptera Cell culture Huanglongbing Liberibacter