Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae) responses to plant-associated volatile organic compounds: A mini-review

Silva, Mariana Santos; Patt, Joseph M.; Barbosa, C. de J.; Fancelli, Marilene; Mesquita, Paulo Roberto Ribeiro; Rodrigues, Frederico de Medeiros; Schnadelbach, Alessandra Selbach

doi:10.1016/j.cropro.2023.106242

Cited by 7 publications

(7 citation statements)

References 147 publications

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“…Brazil, the largest orange producer in the world 8 , has been sustaining severe losses since 2004 9 when greening was discovered for the first time in the State of São Paulo 10 – 12 . Because there are no cost-effective treatments for infected plants 13 , 61,585 ha have been eradicated from 2018 to 2021 to contain the spread of greening. Although eradication was alleviated with renewed and expanded areas, the productive acreage was reduced by 3.56% 9 .…”

Section: Introductionmentioning

confidence: 99%

“…Vector control relies on applications of insecticides, particularly those with active ingredients like bifenthrin, imidacloprid, and malathion 15 . However, alternative approaches are sorely needed, given the high cost of multiple insecticide applications, psyllid resistance, adverse effects on non-target species and beneficial insects, and impact on human health 13 . Chemical ecology-based approaches employing ACP attractants and/or repellents may contribute to the integrated management of this vector.…”

Section: Introductionmentioning

confidence: 99%

“…Whereas repellents could be used in push-and-pull strategies 16 , pheromones, and other attractants may be employed for monitoring, surveillance, and possibly control strategies, such as attract-and-kill 17 and mating disruption 18 , 19 . Indeed, many chemical ecology-based efforts are currently being explored (review in 13 ). Previously, we have identified acetic acid as a sex attractant 20 , which we labeled a “putative” sex pheromone, given the analytical challenge to determine unambiguously whether this semiochemical is released only by ACP females.…”

Section: Introductionmentioning

confidence: 99%

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The greening-causing agent alters the behavioral and electrophysiological responses of the Asian citrus psyllid to a putative sex pheromone

Volpe,

Carmo-Sousa,

Luvizotto

et al. 2024

Sci Rep

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The Asian Citrus Psyllid (ACP), Diaphorina citri, is a vector of the pathological bacterium Candidatus Liberibacter asiaticus (CLas), which causes the most devastating disease to the citrus industry worldwide, known as greening or huanglongbing (HLB). Earlier field tests with an acetic acid-based lure in greening-free, ‘Valencia’ citrus orange groves in California showed promising results. The same type of lures tested in São Paulo, Brazil, showed unsettling results. During the unsuccessful trials, we noticed a relatively large proportion of females in the field, ultimately leading us to test field-collected males and females for Wolbachia and CLas. The results showed high rates of Wolbachia and CLas infection in field populations. We then compared the olfactory responses of laboratory-raised, CLas-free, and CLas-infected males to acetic acid. As previously reported, CLas-uninfected males responded to acetic acid at 1 µg. Surprisingly, CLas-infected males required 50 × higher doses of the putative sex pheromone, thus explaining the failure to capture CLas-infected males in the field. CLas infection was also manifested in electrophysiological responses. Electroantennogram responses from CLas-infected ACP males were significantly higher than those obtained with uninfected males. To the best of our knowledge, this is the first report of a pathogen infection affecting a vector’s response to a sex attractant.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The greening-causing agent alters the behavioral and electrophysiological responses of the Asian citrus psyllid to a putative sex pheromone

Volpe,

Carmo-Sousa,

Luvizotto

et al. 2024

Sci Rep

View full text Add to dashboard Cite

show abstract

“…Vector control relies on applications of insecticides, particularly those with active ingredients like biphentrin, imidacloprid, and malathion 15 . However, alternative approaches are sorely needed, given the high cost of multiple insecticide applications, psyllid resistance, adverse effects on non-target species and beneficial insects, and impact on human health 13 . Chemical ecology-based approaches employing ACP attractants and/or repellents may contribute to the integrated management of this vector.…”

Section: Introductionmentioning

confidence: 99%

The greening-causing agent alters the behavioral and electrophysiological responses of the Asian citrus psyllid to a putative sex pheromone

Volpe,

Carmo-Sousa,

Luvizotto

et al. 2023

Preprint

View full text Add to dashboard Cite

The Asian Citrus Psyllid (ACP),Diaphorina citri,is a vector of the pathological bacteriumCandidatusLiberibacter asiaticus (CLas), which causes the most devastating disease to the citrus industry worldwide, known as greening or huanglongbing (HLB). Earlier field tests with an acetic acid-based lure in greening-free, ‘Valencia’ citrus orange groves in California showed promising results. The same type of lures tested in São Paulo, Brazil, showed unsettling results. During the unsuccessful trials, we noticed a relatively large proportion of females in the field, ultimately leading us to test field-collected males and females forWolbachiaand CLas. The results showed high rates ofWolbachiaand CLas infection in field populations. We then compared the olfactory responses of laboratory-raised, CLas-free, and CLas-infected males to acetic acid. As previously reported, CLas-uninfected males responded to acetic acid at 1 µg. Surprisingly, CLas-infected males required 50x higher doses of the putative sex pheromone, thus explaining the failure to capture CLas-infected males in the field. CLas infection was also manifested in electrophysiological responses. Electroantennogram responses from CLas-infected ACP males were significantly higher than those obtained with uninfected males. To the best of our knowledge, this is the first report of a pathogen infection affecting a vector’s response to a sex attractant.

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“…Population reduction of D. citri is also crucial in the management of HLB 15 . Among the promising pest control methods, behavioral control stands out, either using pheromones or allelochemicals [16][17][18][19][20][21] . D. citri responds to volatile organic compounds (VOCs) released by plants in a four-way or y-tube olfactometer bioassay 16,[22][23][24][25] .…”

Section: Introductionmentioning

confidence: 99%

Composition of volatiles of citrus varieties and their effects on the behavior of Diaphorina citri

Oliveira,

Mesquita,

Rodrigues

et al. 2023

Preprint

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Currently, Huanglongbing (HLB) is the most devastating citrus disease in the world. Until the moment, there is no resistant variety to the disease pathogens and the management of the disease includes the chemical control of the insect vector, the Asian citrus psyllid Diaphorina citri (ACP). The goal of this study was to identify the attractiveness of citrus varieties to ACP using a four-arm olfactometer and to identify the volatile organic compounds emitted by the analyzed plants. The following varieties were used: 'Valencia', 'Westin' and 'Pera' sweet orange scions, also the rootstocks, 'Rangpur lime', 'Sunki Tropical', and 'HTR059' hybrid. The VOCs were extracted using the SPME technique and identified through GC-MS. 'Sunki Tropical', 'Rangpur lime' and 'Valencia' were more attractive to D. citri than the others varieties. The main compounds found in the least attractive varieties were β-pinene and linalol in 'Pera', β-pinene and decanol in 'Westin', β-caryophyllene and γ-elemene in 'HTR 059'. Therefore, 'HTR 059', 'Pera' and 'Westin' are the varieties indicated to implement actions to prevent the introduction and spread of the disease. 'Valencia', 'Sunki Tropical' and 'Rangpur lime' are the least suitable varieties for cultivation when HLB prevention is required.

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Asian citrus psyllid, Diaphorina citri (Hemiptera: Liviidae) responses to plant-associated volatile organic compounds: A mini-review

Cited by 7 publications

References 147 publications

The greening-causing agent alters the behavioral and electrophysiological responses of the Asian citrus psyllid to a putative sex pheromone

The greening-causing agent alters the behavioral and electrophysiological responses of the Asian citrus psyllid to a putative sex pheromone

The greening-causing agent alters the behavioral and electrophysiological responses of the Asian citrus psyllid to a putative sex pheromone

Composition of volatiles of citrus varieties and their effects on the behavior of Diaphorina citri

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