Assessment of color response and activity rhythms of the invasive black planthopper <i>Ricania speculum</i> (Walker, 1851) using sticky traps

Mazza, Giuseppe; Marraccini, Daniele; Mori, Emiliano; Priori, Simone; Marianelli, Leonardo; Roversi, Pio Federico; Gargani, E.

doi:10.1017/s000748531900083x

Cited by 15 publications

(10 citation statements)

References 42 publications

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“…Recently, it was also known that one of Ricania species, Ricania speculum, could use visual cue to find new branches. Adults of R. speculum were attracted to the green colored sticky trap (closed to newly developed branch color) rather than other colored ones during ovipositional periods [24]. These results indicate that R. shantungensis female adults might prefer terminal branches of each trunk in height-controlled trees such as persimmon, apple, peach and so on.…”

Section: Plos Onementioning

confidence: 81%

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Determination of an optimum sampling unit of Ricania shantungensis (Hemiptera: Ricaniidae) eggs in persimmons

Baek¹,

Seo

Park³

2022

PLoS ONE

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Even though the optimum sampling methods for invasive pests are very important in newly invaded areas, the standard sampling unit of Ricania shantungensis is still undeveloped in persimmons. Among all developmental stages of R. shantungensis, the egg has close relationship between its density and subsequent tree damage. Thus, this study was conducted to suggest an optimum sampling unit for R. shantungensis eggs in persimmons based on characteristics of its within-tree distribution pattern. The within-tree distribution pattern was characterized with 60 persimmon trees by cutting 12 branches at three vertical levels (low, middle, and high) in four horizontal criteria (east, west, south, and north) per tree. The sampling units were determined based on coefficient of variation (CV) and coefficient of determination (r2) calculated from egg mass numbers per 10 cm from the tip within a branch. In numbers of R. shantungensis egg masses, there was no significant difference (P > 0.05) horizontally, but significant (P < 0.05) difference vertically. More R. shantungensis eggs were found on terminal branches of each trunk. The 60 cm from the tip of branches in the terminal positions of each trunk was selected as the optimum sampling unit for R. shantungensis in persimmons because this unit has the lowest CV value and more than 0.9 of r2 value. Even though the optimum sample number per tree should be determined field-specifically, it would be acceptable to sample two or three branches by considering this pests’ recognizable damage level. This small sampling unit could make the sampling of R. shantungensis become more economical, precise, and consistent in persimmon fields.

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Section: Plos Onementioning

confidence: 81%

“…Adults of R . speculum were attracted to the green colored sticky trap (closed to newly developed branch color) rather than other colored ones during ovipositional periods [ 24 ]. These results indicate that R .…”

Section: Discussionmentioning

confidence: 99%

Determination of an optimum sampling unit of Ricania shantungensis (Hemiptera: Ricaniidae) eggs in persimmons

Baek¹,

Seo

Park³

2022

PLoS ONE

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“…The 95% confidence intervals (hereafter, 95% CI) of the coefficient estimator were estimated using 10,000 bootstrap replicates (Dias et al 2019 ). Overlap was “intermediate” with Δ included between 0.50 and 0.75 was considered as, “high” with Δ > 0.75, “very high” with Δ > 0.90 (Monterroso et al 2014 ; Mazza et al 2019 ). The Mardia-Watson-Wheeler W-test (MWW test, U 2 ) was used to compare inter-seasonal overlap between different study sites, and same-season overlap between each site pair (Monterroso et al 2014 ); it was calculated through the R package circular (Lund et al 2017 ).…”

Section: Methodsmentioning

confidence: 99%

“…A detailed knowledge on the spatiotemporal behaviour of invasive alien species is pivotal to implement the success of removal operations (Bertolino et al 2020 ; Capizzi 2020 ). Accordingly, assessing when alien species are active may help timing operations of numerical control, so to increase success of management interventions (Mazza et al 2019 ; Andreoni et al 2020 ). Camera-trapping have been widely reported to be a reliable tool to assess vertebrate activity rhythms (Ridout and Linkie 2009 ; Monterroso et al 2013 ; Torretta et al 2017 ; Mori et al 2020a ), as they provide similar results to radio-tracking (Lashley et al 2018 ) when at least 30–50 detections are available (Ridout and Linkie 2009 ).…”

Section: Introductionmentioning

confidence: 99%

Patterns of activity rhythms of invasive coypus Myocastor coypus inferred through camera-trapping

et al. 2020

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Studies on activity rhythms are pivotal for the management of invasive alien species, as they provide basic insights into species basic ecology and may increase the success of control programs. The coypu Myocastor coypus, introduced from South America for fur farms, has become one of the most invasive rodents in Europe. Introduced coypus may affect crop productions, as well as natural vegetation and the breeding success of wading birds. In this study, we examined activity data collected through intensive camera-trapping in three Italian areas, including two natural areas in Northern and Central Italy, and a suburban area in Central Italy. Coypus were mostly diurnal in areas characterised by low predator pressure and, at night, they are mostly active in bright moonlight. Conversely, where predators, human pressure or numerical control programmes are present, coypus remarkably shift their behaviour towards crepuscular and night hours. In these last areas, nocturnal activity increased as moonlight decreased, possibly to reduce predation risk or encounters with humans. Where winter temperature are low, diurnal habits may have developed as a physiological adaptation and a strategy to preserve energy, potentially achieving a cost/effective thermal balance.

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“…Overlap was considered as "intermediate" with Δ included between 0.50 and 0.75, as "high" with 0.75 < Δ < 0.90, as "very high" with Δ > 0.90 (Mazza et al, 2020).…”

Section: Patterns Of Locomotor Activity Rhythmsmentioning

confidence: 99%

Spatiotemporal activity of the pine marten Martes martes: Insights from an island population

Mori

Fedele

Greco

et al. 2021

Ecological Research

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Behavioral interference and interspecific competition shape the spatiotemporal behavior of carnivores, where intra-guild predation has been recorded as a strategy to limit competition. Very often, disentangling the effect of intra-guild effects from other ecological processes is challenging, if not impossible. This work aimed to assess the spatiotemporal behavior of the pine marten Martes martes in an island ecosystem without any intra-guild predation. Using an intensive cameratrap survey on Elba Island, Italy, we estimated occupancy, detection probability, and locomotor rhythms of the species. The pine marten occurred throughout the study area, showing a tendency to avoid urban areas during the high tourist season. Occupancy was higher in colder months and lowered in autumn, following opposite fluctuations of recorded human presence. Conversely, the detection probability remained low throughout the year, confirming the pine marten elusiveness. With other studies conducted in sympatry with other carnivores or predators, Elba Island martens showed locomotor ground activity mostly at dawn and dusk throughout the year, with an increasing diurnal locomotor activity in spring, when cubs are present. The spatiotemporal behavior of the pine marten in Elba island did show little variation across seasons. It was similar to those reported where potential predators were present, suggesting the intra-guild predation not playing a significant role in shaping the spatiotemporal activity of pine martens. K E Y W O R D S activity rhythms, island ecosystem, Martes martes, occupancy modeling, wildlife cameratrapping 1 | INTRODUCTION Behavioral interference and interspecific competition represent two forces shaping the spatiotemporal behavior of many species (e.g., Ferretti et al., 2011; Garcia-Olaechea & Emiliano Mori and Ettore Fedele contributed equally to this work.

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Assessment of color response and activity rhythms of the invasive black planthopper Ricania speculum (Walker, 1851) using sticky traps

Cited by 15 publications

References 42 publications

Determination of an optimum sampling unit of Ricania shantungensis (Hemiptera: Ricaniidae) eggs in persimmons

Determination of an optimum sampling unit of Ricania shantungensis (Hemiptera: Ricaniidae) eggs in persimmons

Patterns of activity rhythms of invasive coypus Myocastor coypus inferred through camera-trapping

Spatiotemporal activity of the pine marten Martes martes: Insights from an island population

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