An immunomarking method to investigate the flight distance of the Japanese beetle

Lessio, Federico; Pisa, Carolina Giulia; Picciau, Luca; Ciampitti, Mariangela; Cavagna, B.; Alma, Alberto

doi:10.1127/entomologia/2021/1117

Cited by 8 publications

(9 citation statements)

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“…The species has an outcrossing mating system, which is pollinator dependent, and 2 species of beetles appear to be effective pollinators [ 5 , 48 ]. Previous research has demonstrated that some beetles can fly up to 12 km [ 128 ]. Long-distance pollen-mediated gene flow among populations may decrease population genetic differentiation [ 129 ].…”

Section: Discussionmentioning

confidence: 99%

The chromosome-scale genome of Magnolia sinica (Magnoliaceae) provides insights into the conservation of plant species with extremely small populations (PSESP)

Cai,

Liu,

Yang

et al. 2024

GigaScience

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Magnolia sinica (Magnoliaceae) is a highly threatened tree endemic to southeast Yunnan, China. In this study, we generated for the first time a high-quality chromosome-scale genome sequence from M. sinica, by combining Illumina and ONT data with Hi-C scaffolding methods. The final assembled genome size of M. sinica was 1.84 Gb, with a contig N50 of ca. 45 Mb and scaffold N50 of 92 Mb. Identified repeats constituted approximately 57% of the genome, and 43,473 protein-coding genes were predicted. Phylogenetic analysis shows that the magnolias form a sister clade with the eudicots and the order Ceratophyllales, while the monocots are sister to the other core angiosperms. In our study, a total of 21 individuals from the 5 remnant populations of M. sinica, as well as 22 specimens belonging to 8 related Magnoliaceae species, were resequenced. The results showed that M. sinica had higher genetic diversity (θw = 0.01126 and θπ = 0.01158) than other related species in the Magnoliaceae. However, population structure analysis suggested that the genetic differentiation among the 5 M. sinica populations was very low. Analyses of the demographic history of the species using different models consistently revealed that 2 bottleneck events occurred. The contemporary effective population size of M. sinica was estimated to be 10.9. The different patterns of genetic loads (inbreeding and numbers of deleterious mutations) suggested constructive strategies for the conservation of these 5 different populations of M. sinica. Overall, this high-quality genome will be a valuable genomic resource for conservation of M. sinica.

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Section: Discussionmentioning

confidence: 99%

The chromosome-scale genome of Magnolia sinica (Magnoliaceae) provides insights into the conservation of plant species with extremely small populations (PSESP)

Cai,

Liu,

Yang

et al. 2024

GigaScience

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“…While intercontinental long range introductions are arguably rare and unlikely events, episodes of contiguous range expansion (USA-to-Canada, Italy-to-Ticino) are easily explained given the high reproductive potential and flight capabilities of P. japonica. In fact, adults were observed to fly for up to 12 km in 24 h 41 . Furthermore, the overall rate of spread after initial colonization in the USA was reconstructed as exponential during the initial phase, to level off to 7.7 to 11.9 km per year afterwards 10 .…”

Section: Discussionmentioning

confidence: 99%

The direction, timing and demography of Popillia japonica (Coleoptera) invasion reconstructed using complete mitochondrial genomes

Nardi,

Boschi,

Funari

et al. 2024

Sci Rep

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The Japanese beetle Popillia japonica is a pest insect that feeds on hundreds of species of wild and cultivated plants including important fruit, vegetable, and field crops. Native to Japan, the pest has invaded large areas of the USA, Canada, the Azores (Portugal), Italy, and Ticino (Switzerland), and it is considered a priority for control in the European Union. We determined the complete mitochondrial genome sequence in 86 individuals covering the entire distribution of the species. Phylogenetic analysis supports a major division between South Japan and Central/North Japan, with invasive samples coming from the latter. The origin of invasive USA samples is incompatible, in terms of the timing of the event, with a single introduction, with multiple Japanese lineages having been introduced and one accounting for most of the population expansion locally. The origin of the two invasive European populations is compatible with two different invasions followed by minimal differentiation locally. Population analyses provide the possibility to estimate the rate of sequence change from the data and to date major invasion events. Demographic analysis identifies a population expansion followed by a period of contraction prior to the invasion. The present study adds a time and demographic dimension to available reconstructions.

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“…We used a value of 15 km/yr along with a dispersal kernel that assumed an exponential decline in movement at greater distances. We used 30 km/yr for long-distance dispersal based on values seen in flight studies (Lessio et al 2022). While longer-distance dispersal via human activity is possible, we chose conservative values that likely capture the vast majority of human-mediated dispersal.…”

Section: Methodsmentioning

confidence: 99%

“…Japanese beetle adults are strong flyers and can readily be relocated via movement of goods and people. Dispersal models, and studies conducted in the United States and Europe, show beetle populations expand at a rate between 8 and 15 km/yr in newly invaded regions (Fleming 1972, Allsopp 1996, Lessio et al 2022, Mondino et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Potential distribution and spread of Japanese beetle in Washington State

Zhu

Oeller

Wojahn

et al. 2023

Journal of Economic Entomology

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The Japanese beetle, Popillia japonica (Newman, 1841) (Coleoptera: Scarabaeidae), was first detected in southern Washington State in 2020. Widespread trapping efforts ensued, and over 23,000 individuals were collected in both 2021 and 2022 in this region known for specialty crop production. The invasion of Japanese beetle is of major concern as it feeds on over 300 plant species and has shown an ability to spread across landscapes. Here, we created a habitat suitability model for Japanese beetle in Washington and used dispersal models to forecast invasion scenarios. Our models predict that the area of current establishment occurs in a region with highly suitable habitat. Moreover, vast areas of habitat that are likely highly suitable for Japanese beetle occur in coastal areas of western Washington, with medium to highly suitable habitat in central and eastern Washington. Dispersal models suggested that the beetle could spread throughout Washington within 20 years without management, which justifies quarantine and eradication measures. Timely map-based predictions can be useful tools to guide management of invasive species while also increasing citizen engagement to invaders.

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An immunomarking method to investigate the flight distance of the Japanese beetle

Cited by 8 publications

References 0 publications

The chromosome-scale genome of Magnolia sinica (Magnoliaceae) provides insights into the conservation of plant species with extremely small populations (PSESP)

The chromosome-scale genome of Magnolia sinica (Magnoliaceae) provides insights into the conservation of plant species with extremely small populations (PSESP)

The direction, timing and demography of Popillia japonica (Coleoptera) invasion reconstructed using complete mitochondrial genomes

Potential distribution and spread of Japanese beetle in Washington State

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