Seasonal Dynamics of Spissistilus festinus (Hemiptera: Membracidae) in a Californian Vineyard

Preto, Cindy R; Bahder, Brian W.; Bick, Emily; Sudarshana, Mysore R.; Zalom, Frank G.

doi:10.1093/jee/toz022

Cited by 18 publications

(8 citation statements)

References 24 publications

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“…This is critical to advance our limited understanding of S. festinus-GRBV-grapevine interactions and develop optimal pest management tactics. Although S. festinus populations appear to be localized toward the edges of vineyards in Napa County, California, primarily reproduce in cover crop species [41], and occur at higher populations at vineyard edges near water sources [3,41], a comprehensive understanding of the S. festinus ecology at the landscape level is missing. Such information would be desirable not only to infer landscape-level movements of S. festinus through vineyard ecosystems but also to inform pest management recommendations.…”

Section: Discussionmentioning

confidence: 99%

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) (Hemiptera, Membracidae) in the United States Revealed by Phylogenetic and Morphological Analyses

Cieniewicz

Poplaski

Brunelli

et al. 2020

Insects

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Spissistilus festinus (Say, 1830) (Hemiptera: Membracidae) is a frequent pest of leguminous crops in the Southern United States, and a vector of grapevine red blotch virus. There is currently no information on the genetic diversity of S. festinus. In this study, populations of S. festinus were collected in 2015–2017 from various crops and geographic locations in the United States, and fragments of the mitochondrial cytochrome C oxidase 1 (mt-COI) gene and the nuclear internal transcribed spacer 2 (ITS2) region were characterized by polymerase chain reaction and sequencing. Maximum-likelihood and Bayesian analyses of the mt-COI and ITS2 sequences yielded similar phylogenetic tree topologies, revealing two distinct genetic S. festinus lineages with all of the specimens from California comprising one phylogenetic clade, alongside a single GenBank entry from Arizona, and all specimens from the Southeastern United States comprising a statistically-supported distinct clade, regardless of host and year of collection. The mt-COI gene fragment showed up to 10.8% genetic distance between the two phylogenetic clades. These results suggest the existence of two genotypes within S. festinus in the United States. The only distinct morphological trait between the two genotypes was a less elevated pronotum in the representative specimens from California, compared to the representative specimens from the Southeastern United States. Since this phenotypic feature is inconspicuous, a diagnostic polymerase chain reaction targeting a variable region of the mt-COI fragment was developed to reliably distinguish between the specimens of the two genotypes of S. festinus and to facilitate their specific identification.

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Section: Discussionmentioning

confidence: 99%

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) (Hemiptera, Membracidae) in the United States Revealed by Phylogenetic and Morphological Analyses

Cieniewicz

Poplaski

Brunelli

et al. 2020

Insects

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“…If H. convergens adults were used in an augmentive biological control program, field releases would need to coincide with presence of early instar S. festinus in field populations. Timing such releases may be challenging as early instar S. festinus nymphs feed at the base of plants, where they are often not observed using common sampling methods such as sweep netting [18]. In addition, the behavior of adult H. convergens must also be taken into consideration prior to field testing and/or release of H. convergens adults as a biological control agent in vineyards.…”

Section: Plos Onementioning

confidence: 99%

“…In fact, research on S. festinus has typically focused on other cropping systems such as alfalfa, peanuts, and soybeans [14,15], with little reported about the treehopper's association with vineyards. Given the threat of GRBV transmission by S. festinus in grapevines, recent studies have focused on the biology and behavior of S. festinus in vineyards, on identifying feeding and reproductive hosts and documenting the treehopper's seasonal dynamics in vineyards [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

“…In northern California, overwintering S. festinus adults move into vineyards from surrounding habitats in early to mid-February. On arrival to a vineyard, females may oviposit on ground vegetation provided suitable hosts are available [18]. Legumes are preferred hosts of S. festinus [14,15,17,19] and are commonly planted as cover crops in vineyards or constitute part of the resident vegetation [20,21].…”

Section: Introductionmentioning

confidence: 99%

“…Some adult S. festinus will move into the grape canopy starting in June, causing girdling damage to grape petioles and shoots and potentially transmitting GRBV. While the number of S. festinus adults moving into the grape canopy increases as the season progresses, insecticide treatments applied to the grape canopy are expected to have limited efficacy as many S. festinus remain on ground vegetation [18]. In addition, Cieniewicz et al [24] showed that S. festinus collected from vineyards do not test positive for GRBV until June, suggesting that management actions designed to suppress S. festinus populations should be implemented prior to June.…”

Section: Introductionmentioning

confidence: 99%

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Spissistilus festinus (Hemiptera: Membracidae) susceptibility to six generalist predators

Kron

Sisterson

2020

PLoS ONE

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Spissistilus festinus (Say) (Hemiptera: Membracidae) was shown to transmit Grapevine red blotch virus (GRBV) in a greenhouse study. Grapevines infected with GRBV exhibit reduced sugar accumulation, altered secondary metabolite production and delayed berry maturation that negatively impacts wine quality and economics. Augmentative biocontrol may be a useful integrated pest management (IPM) tool for suppressing S. festinus populations in vineyards, but minimal research has been conducted on testing potential predators against the different life stages of S. festinus. The susceptibility of S. festinus adults and nymphs (1st through 5th instar) to predation by six commercially available biocontrol agents in petri dish and bell bean plant arenas was determined under greenhouse conditions. No significant mortality of S. festinus nymphs or adults occurred when exposed to Cryptolaemus montrouzieri adults, C. montrouzieri larvae and Sympherobius barberi adults in petri dish or bell bean plant arenas. Significant mortality of 1st and 2nd instar nymphs of S. festinus in the presence of Zelus renardii nymphs was observed in petri dish but not in bell bean arenas. Hippodamia convergens adults and Chrysoperla rufilabris larvae both consumed a significant number of S. festinus nymphs in petri dish and bell bean arenas. No significant predation of S. festinus adults was documented in this experiment. Results of this study aid in identifying predators that may be suitable candidates for additional field testing to determine their potential efficacy as biocontrol agents of S. festinus in a vineyard setting.

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Differential Flight Capacity of Spissistilus festinus (Hemiptera: Membracidae) by Sex and Age

Antolínez,

Chandler,

Hoyle

et al. 2023

J Insect Behav

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Seasonal Dynamics of Spissistilus festinus (Hemiptera: Membracidae) in a Californian Vineyard

Cited by 18 publications

References 24 publications

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) (Hemiptera, Membracidae) in the United States Revealed by Phylogenetic and Morphological Analyses

Two Distinct Genotypes of Spissistilus festinus (Say, 1830) (Hemiptera, Membracidae) in the United States Revealed by Phylogenetic and Morphological Analyses

Spissistilus festinus (Hemiptera: Membracidae) susceptibility to six generalist predators

Differential Flight Capacity of Spissistilus festinus (Hemiptera: Membracidae) by Sex and Age

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