Managing the vine mealybug, Planococcus ficus, through pheromone-mediated mating disruption

Lucchi, Andrea; Suma, Pompeo; Ladurner, E.; Iodice, Andrea; Savino, Francesco; Ricciardi, Renato; Cosci, Francesca; Marchesini, E.; Conte, Giuseppe; Benelli, Giovanni

doi:10.1007/s11356-019-04530-6

Cited by 26 publications

(38 citation statements)

References 52 publications

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“…However, aerosol devices drastically reduce the number of point sources per ha, which could reduce overall MD effectiveness [ 64 ], especially for vineyard mealybugs that tend to have clumped distributions [ 40 ]. More work is needed to follow up on the dispenser density trials conducted by Lucchi et al [ 53 ], which suggest deployment rates nearly half of that used in this study can still provide Pl. ficus suppression.…”

Section: Discussionmentioning

confidence: 96%

“…Researchers in Europe, South America, and Israel have also tested various types of passive dispensers for Pl. ficus MD [ 50 , 51 , 53 , 54 , 56 ]. Although MD programs are now successfully being used for Pl.…”

Section: Discussionmentioning

confidence: 99%

“…An informative study in Italy tested deployment rates of 300, 400, and 500 dispensers/ha (180 mg per dispenser) and showed that all treatments had a reduction in Pl. ficus cluster damage compared with untreated controls [ 53 ], adding more support to the hypothesis that, above a certain threshold, season-long coverage may be as important as dose in Pl. ficus MD.…”

Section: Discussionmentioning

confidence: 99%

“…Since then, a number of commercial products for Pl. ficus MD have been tested worldwide, including in Tunisia [ 50 ], Israel [ 51 , 52 ], and Italy [ 53 , 54 ]. Here, we describe the initial Pl.…”

Section: Introductionmentioning

confidence: 99%

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Development of a Mating Disruption Program for a Mealybug, Planococcus ficus, in Vineyards

Daane

Yokota

Walton

et al. 2020

Insects

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The vine mealybug (VMB), Planococcus ficus (Hemiptera: Pseudococcidae), is a key insect pest of vineyards, and improvements in sustainable control of this pest are needed to meet increasing consumer demand for organically farmed products. One promising option is mating disruption. In a series of experiments conducted from 2004 to 2007, we tested the effects of mating disruption on trap captures of Pl. ficus males in pheromone-baited traps, on Pl. ficus numbers and age structure on vines, and on damage to grape clusters. From 2004 to 2005, the effects of dispenser load (mg active ingredient per dispenser) were also assessed, and dispensers were compared to a flowable formulation. Across all trials, mating disruption consistently reduced pheromone trap captures and often reduced mealybug numbers on vines and/or crop damage, regardless of the pheromone dose that was applied. Reductions in Pl. ficus densities in mating disruption plots were not accompanied by clear effects on mealybug population age structure; however, production of non-viable ovisacs by unmated females may have obscured differences in proportional representation of ovisacs. Pheromone trap captures were never lowered to zero (often called trap shut down), possibly because trials were conducted in vineyards with unusually high Pl. ficus densities. Trap-capture patterns in both treated and control plots commonly began low in April–May, increased in mid-July or August, and often decreased in September–October when post-harvest insecticides were applied. During the four-year trial, the release rate from plastic sachet dispensers was improved by industry cooperators as pheromone was released too quickly (2004) or not completely released during the season (2005–2006). The flowable formulation performed slightly better than dispensers at the same application dose. Results over all years suggest season-long coverage or late-season coverage may be as or more important than dose per hectare. Development of a dispenser with optimized season-long pheromone emission or targeted seasonal periods should be a future goal.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Development of a Mating Disruption Program for a Mealybug, Planococcus ficus, in Vineyards

Daane

Yokota

Walton

et al. 2020

Insects

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“…This species causes direct damage involving marked fruit distortions and size reduction, which are similar to those symptoms caused by infestations of a close mealybug species Delottococcus elisabethae (Brain) (Hemiptera: Pseudoccidae), which is reported only in South Africa. 29 Pseudococcidae species, such as mating disruption for Planococcus ficus (Signoret), [30][31] mass trapping or lure and kill. 32…”

Section: Discussionmentioning

confidence: 99%

Sex Pheromone of the Invasive Mealybug Citrus Pest, Delottococcus aberiae (Hemiptera: Pseudococcidae). A New Monoterpenoid with a Necrodane Skeleton

Vacas

Navarro²,

Marzo³

et al. 2019

J. Agric. Food Chem.

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Native to sub-Saharan Africa, Delottococcus aberiae De Lotto (Hemiptera: Pseudoccidae) is an invasive mealybug that has been recently reported in Europe seriously damaging citrus production in eastern Spain. In this study, we isolated and determined the structure of the sex pheromone of D. aberiae, to provide a highly specific and effective lure for detecting, monitoring and potentially controlling this pest. The volatile profile of D. aberiae virgin and mated females was studied by aeration and collection of effluvia in Porapak-Q. The resulting extracts were analyzed by gas chromatography coupled to mass spectrometry (GC-MS), revealing a candidate compound specific of virgin females. GC-MS and nuclear magnetic resonance spectroscopy data evidenced a new compound, (4,5,5-trimethyl-3-methylenecyclopent-1-en-1-yl)methyl acetate, with an unusual β-necrodol skeleton. This compound was synthesized and shown to be attractive to male D. aberiae in both laboratory and field experiments. A GC analysis using an enantioselective stationary phase and polarimetry analyses of the synthetic enantiomers showed the natural compound emitted by virgin females to be the (-)-enantiomer.

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Contemporary Management of Insect Pests in Rice

Shah

Razaq

Islam

2022

Modern Techniques of Rice Crop Production

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Managing the vine mealybug, Planococcus ficus, through pheromone-mediated mating disruption

Cited by 26 publications

References 52 publications

Development of a Mating Disruption Program for a Mealybug, Planococcus ficus, in Vineyards

Development of a Mating Disruption Program for a Mealybug, Planococcus ficus, in Vineyards

Sex Pheromone of the Invasive Mealybug Citrus Pest, Delottococcus aberiae (Hemiptera: Pseudococcidae). A New Monoterpenoid with a Necrodane Skeleton

Contemporary Management of Insect Pests in Rice

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