First record of the soybean stem fly Melanagromyza sojae (Diptera: Agromyzidae) in chickpea crops

Vera, Martin Alejandro; Perini, Clérison Régis; Murúa, María Gabriela; Casmuz, Augusto S.; Gastaminza, Gerardo Alfredo; Guedes, Jerson C.

doi:10.1007/s42690-020-00383-6

Cited by 5 publications

(16 citation statements)

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“…Fragments of mtDNA from 18 individuals of M. sojae, collected in 14 Brazilian sites (Rio Grande do Sul and Goia ´s states) and one Argentine site (Co ´rdoba province), were amplified and sequenced. Combining our data with sequences previously deposited in GenBank (Arnemann et al 2016a;Guedes et al 2017;Vitorio et al 2019), we obtained a total of 79 M. sojae mtDNA COI sequences. The trimmed 740 bp sequences (nucleotide positions 46 to 786 of the mitochondrial M. sojae genome, GenBank accession number KT597923) showed no ambiguity and no premature stop codons.…”

Section: Resultsmentioning

confidence: 99%

“…Field reports also indicate that the pest has reached Brazilian states of Minas Gerais (Southeast region) and Bahia (Northeast region) (CESB 2018). Molecular characterization subsequently confirmed its occurrence in Paraguay (Guedes et al 2017), Bolivia (Vitorio et al 2019) and Argentina (Trossero et al 2020) (see Fig. 1 for the species' current known worldwide distribution).…”

Section: Introductionmentioning

confidence: 82%

“…2). At each site, the larvae found within soybean stems were manually detached and placed into 1.5 mL (Arnemann et al 2016a;Guedes et al 2017;Vitorio et al 2019) The identification of all M. sojae specimens was initially confirmed based on morphological traits and feeding behaviour within the plants (Talekar and Chen 1985) prior to being used in DNA extraction. DNA extraction was performed individually for each specimen using the DNeasy Blood and Tissue Kit (Qiagen, Hilden, Germany) according to the manufacturer's instructions.…”

Section: Sampling Proceduresmentioning

confidence: 99%

“…In Bolivia, M. sojae was first identified in 2019 in the department of Santa Cruz-where almost all the country's soybean is grown (Vitorio et al 2019). The highest infestations have been recorded during lowprecipitation seasons (Aguilar 2018) and when two soybean crops are grown per year instead of just one (Vitorio 2020).…”

Section: Management Strategiesmentioning

confidence: 99%

“…Examples of such approach, as applied to non-native arthropod species in Brazil, include Helicoverpa armigera (Tay et al 2013;Arnemann et al 2019) and the eucalyptus pest Thaumastocoris peregrinus (Machado et al 2020), while Arnemann et al characterised the full mitochondrial genome of M. sojae (2016b) and developed the cytochrome oxidase I (mtDNA COI) gene as DNA marker (2016a) to facilitate further analyses of the pest genetic diversity in South America. Previous studies have revealed the presence of several mtCOI haplotypes in M. sojae populations from Southern Brazil (Arnemann et al 2016a), Paraguay (Guedes et al 2017) and Bolivia (Vitorio et al 2019), hinting at a multiple invasion scenario involving either multiple female founders, and/or involving more than one incursion pathway into the continent. However, a comprehensive analysis combining samples from all countries within the South American soybean belt, and unravelling dispersal routes among them, is still lacking.…”

Section: Introductionmentioning

confidence: 99%

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Highly diverse and rapidly spreading: Melanagromyza sojae threatens the soybean belt of South America

et al. 2021

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The soybean stem fly, Melanagromyza sojae, an Asian native insect, has successfully established in Brazil, Argentina, Paraguay and Bolivia. These countries are among the lead global soybean producing nations, being collectively known as the soybean belt of South America. Infestation levels of M. sojae grow by the year, facilitated by the lack of efficient management strategies. Previous studies have revealed a high number of maternal lineages in M. sojae populations from Southern Brazil and Paraguay, but a comprehensive survey on genetic diversity combining samples from all countries within the South American soybean belt remains absent. We used the mitochondrial DNA cytochrome oxidase I partial gene (mtCOI) to characterize specimens of M. sojae collected in fourteen Brazilian sites and one Argentine site, and then combined our mtCOI data with previously published data from Australia, Bolivia, Paraguay, and other Brazilian sites, to investigate genetic diversity in this invasive agricultural pest species. Based on the molecular characterisation of the mtCOI gene, haplotypes Msoj-COI-01 and Msoj-COI-02 have the highest frequencies in the continent. The

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 82%

Section: Sampling Proceduresmentioning

confidence: 99%

Section: Management Strategiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Highly diverse and rapidly spreading: Melanagromyza sojae threatens the soybean belt of South America

et al. 2021

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Melanagromyza sojae (soyabean stem miner)

2022

CABI Compendium

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New Stem Boring Pest of Quinoa in the United States

Szczepaniec

Alnajjar

2023

Journal of Integrated Pest Management

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Climate change and its impact on agricultural crops is driving the expansion of cropping systems to plants better adapted to rising temperatures, prolonged periods of drought, poor soils, and high salinity. One such crop is quinoa, Chenopodium quinoa Willd (Caryophyllales: Amaranthaceae), a traditionally Andean grain that has been recently adopted in dry, high-elevation regions of Colorado, Idaho, and Washington. However, in 2021, a stem-boring fly, Amauromyza karli Hendel (Diptera: Agromyzidae), was reported in quinoa grown in Colorado’s San Luis Valley and abruptly halted expansion of this climate-resilient crop. This new agromyzid pest has caused complete yield loss in some instances and contributed to substantial declines in quinoa acreage from 3,000 acres in 2021 to 900 acres in 2022. Distinguishing morphological features of A. karli adults include a yellow head, light yellow halteres, a dark brown body, and a dark brown femur and tibia that are yellow near the tips. Larvae feed within quinoa stems and destroy the pith, which disrupts nutrient transport and causes death or significant declines in yield and quality. Here, we summarize the impact of A. karli on quinoa, and discuss life history and management for other agromyzid species that can inform management of A. karli. Research focused on effective integrated management tactics including use of biological control, host plant resistance, and systemic insecticides is urgently needed to suppress this pest.

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First record of the soybean stem fly Melanagromyza sojae (Diptera: Agromyzidae) in chickpea crops

Cited by 5 publications

References 16 publications

Highly diverse and rapidly spreading: Melanagromyza sojae threatens the soybean belt of South America

Highly diverse and rapidly spreading: Melanagromyza sojae threatens the soybean belt of South America

Melanagromyza sojae (soyabean stem miner)

New Stem Boring Pest of Quinoa in the United States

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