Florida Entomologist (2019) 102, 246-248

Jabraeil Razmjou, Christopher R. Kerr and Norman C. Leppla (2019)
Reduced parasitism of Diaphorina citri (Hemiptera: Liviidae) by Tamarixia radiata (Hymenoptera: Eulophidae) at increasing parasitoid:host ratios
Florida Entomologist 102 (1), 246-248
Abstract: Tamarixia radiata females parasitized fewer host Diaphorina citri fourth and fifth instar nymphs as the number of females relative to hosts increased. Releasing additional females above an optimum number increased host feeding and competition for nymphs suitable for oviposition. Super-parasitism by T. radiata, while rare, likely indicates overpopulation, and specifically the loss of production in a mass-rearing system.
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Database assignments for author(s): Jabraeil Razmjou, Norman C. Leppla

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Diaphorina citri		U.S.A. (SE)
Tamarixia radiata (parasitoid)	Diaphorina citri		U.S.A. (SE)