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1 April 2014 Biology of the Huanglongbing Vector Diaphorina citri (Hemiptera: Liviidae) on Different Host Plants
G. R. Alves, A.J.F. Diniz, J.R.P. Parra
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Abstract

Although many studies have been conducted on the development and reproductive potential of Diaphorina citri Kuwayama, 1908 (Hemiptera: Liviidae) in different host species, few have evaluated these parameters on different varieties of the same host species. This study evaluated the influence of five commercial varieties of citrus (Citrus spp. L.)—Hamlin, Natal, Pêra, Ponkan, and Valencia—and orange jasmine [Murraya exotica (L.) Jack] on the development of D. citri. Survival rates for the egg stage were highest on orange jasmine (85.7%) and on Valencia (83.3%). The lowest viability of the nymphal stage was also observed on Hamlin, averaging 57.4%. Values for total viability ranged from 65.9 to 32.6%, and were highest on Valencia. The longest egg-adult development time was on Natal, with a mean of 18.4 d; the shortest total development time was on orange jasmine, with a mean of 17.3 d. Based on the fertility life table, the net reproductive rate (Ro) of D. citri was 2.5 times higher when reared on Valencia than on Hamlin. The other parameters (duration of each generation [T], finite rate of increase [λ], and innate capacity to increase in number [rm]) also demonstrated that Valencia is best suited to this insect. The results obtained for the biological parameters and the fertility life table indicate that Valencia and orange jasmine were the most suitable hosts, whereas Hamlin was least suitable for the development of D. citri. These results provide information for the installation of new citrus groves, especially in the choice of varieties to be planted and the location of different varieties within the groves, with a view toward the management of Huanglongbing or HLB.

© 2014 Entomological Society of America
G. R. Alves, A.J.F. Diniz, and J.R.P. Parra "Biology of the Huanglongbing Vector Diaphorina citri (Hemiptera: Liviidae) on Different Host Plants," Journal of Economic Entomology 107(2), 691-696, (1 April 2014). https://doi.org/10.1603/EC13339
Received: 26 July 2013; Accepted: 1 January 2014; Published: 1 April 2014
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KEYWORDS
Asian citrus psyllid
citrus variety
fertility life table
Huanglongbing
Murraya exotica
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