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Biological and molecular characterization of Rachiplusia nu single nucleopolyhedrovirus, a promising biocontrol agent against the South American soybean pest Rachiplusia nu
Jakubowicz, Violeta; Taibo, Catalina Beatriz; Sciocco, Alicia Ines; Arneodo Larochette, Joel Demian (Elsevier, 2019-09)Rachiplusia nu (Lepidoptera: Noctuidae) is a key soybean pest in Argentina. Current management of this moth relies mainly on the use of synthetic insecticides and transgenic plants. In search of biological control-based ... -
Biological and molecular features of Nosema rachiplusiae sp. n., a microsporidium isolated from the neotropical moth Rachiplusia nu (Guenée) (Lepidoptera: Noctuidae)
Arneodo Larochette, Joel Demian; Sciocco, Alicia Ines (Springer, 2018-05)Light, electron microscopy and DNA analyses were performed to characterize a microsporidium infecting Rachiplusia nu larvae from a laboratory rearing in Argentina. Diplokaryotic spores were oval and measured 3.61 ± 0.29 ... -
Caracterización de la composición en especies del género Helicoverpa en cultivos de maíz, soja y alfalfa de la región central de Argentina
Balbi, Emilia Ines (Facultad de Agronomía, Universidad de Buenos Aires, 2019-05)Heliothinae es una subfamilia cosmopolita de noctuidos que incluye especies relevantes en el mundo. Su notabilidad se debe a que en su estadio larval se alimentan predominantemente de estructuras reproductivas de plantas ... -
Characterization of a new Helicoverpa armigera nucleopolyhedrovirus variant causing epizootic on a previously unreported host, Helicoverpa gelotopoeon (Lepidoptera: Noctuidae)
Ferrelli, Maria Leticia; Taibo, Catalina Beatriz; Fichetti, Patricia; Sciocco, Alicia Ines; Arneodo Larochette, Joel Demian (2016)This paper reports the first biological and molecular characterization of a nucleopolyhedrovirus isolated from the soybean and cotton pest Helicoverpa gelotopoeon. Studies were performed following a virus outbreak in a ... -
Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations
Decker Franco, Cecilia; Taibo, Catalina Beatriz; Di Rienzo, Julio A.; Alfonso, Victoria; Arneodo Larochette, Joel Demian (Oxford University Press, 2021-02-19)The South American soybean pest, Rachiplusia nu (Guenée), is naturally infected by Autographa californica multiple nucleopolyhedrovirus (AcMNPV) and Rachiplusia nu nucleopolyhedrovirus (RanuNPV). We compared their pathogenicity ... -
Direct effect of ozone pollution on aphids: revisiting the evidence at individual and population scales
Telesnicki, Marta Cecilia; Martinez-Ghersa, Maria Alejandra; Arneodo Larochette, Joel Demian; Ghersa, Claudio Marco (2015-04)Most of our knowledge about the consequences of tropospheric ozone pollution on aphid–plant interaction assumes the absence of a direct effect of ozone on aphids. However, the biological effects of ozone encompass changes ... -
Diversity structure of the microbial communities in the guts of four neotropical termite species
Vikram, Surendra; Arneodo Larochette, Joel Demian; Calcagno, Javier; Ortiz, Maximiliano; Mon, Maria Laura; Etcheverry, Clara; Cowan, Donald; Talia, Paola Mónica (Peer J Inc., 2021-04)The termite gut microbiome is dominated by lignocellulose degrading microorganisms. This study describes the intestinal microbiota of four Argentinian higher termite species with different feeding habits: Microcerotermes ... -
Evidence for multiple maternal lineages of the invasive pest Helicoverpa armigera in Argentina
Balbi, Emilia Ines; Tosto, Daniela Sandra; Flores, Fernando Miguel; Arneodo Larochette, Joel Demian (Springer, 2020-03)The polyphagous Helicoverpa armigera (Lepidoptera: Noctuidae) causes significant agricultural losses worldwide. This pest has recently expanded its range into South America. Since its first report in north-western Argentina, ... -
Exploring the factors involved in the absence of parasitism of Chaetosiphon fragaefolii by generalist parasitoids in strawberry
Francesena, Natalia; Arneodo Larochette, Joel Demian; Rocca, Margarita; Greco, Nancy Mabel (Springer, 2020-08)Chaetosiphon fragaefolii Cockerell (Hemiptera: Aphididae) is a worldwide strawberry pest with scarce records of parasitoids for its control. The parasitization rate of two generalist parasitoids, Aphidius colemani Viereck ... -
First genetic analysis of Euschistus heros F. (Hemiptera: Pentatomidae) from Argentina and its relative abundance in a newly invaded soybean region
Balbi, Emilia Ines; Flores, Fernando Miguel; Arneodo Larochette, Joel Demian (Springer, 2023-03)The Neotropical brown stink bug Euschistus heros F. (Hemiptera: Pentatomidae) is the main soybean pest in Brazil, for which two major lineages (i. e. “Northern” and “Southern”) were identified. First recorded in Argentina ... -
First identification of bacterial endosymbionts in three South-American spittlebug pests: Notozulia entreriana, Deois mourei and Deois knoblauchii
Foieri, Alvaro; Decker Franco, Cecilia; Marino de Remes Lenicov, Ana María; Arneodo Larochette, Joel Demian (Alma Mater Studiorum, Università di Bologna, 2022-06)Spittlebugs cause major pasture damage in the Neotropics. As most xylem-feeders, they depend on microbial symbionts to supply essential amino acids to their diet. Here, the obligate nutritional endosymbiont ‘Candidatus ... -
First report of Chrysodeixis includens nucleopolyhedrovirus (ChinNPV) infecting Chrysodeixis includens (Lepidoptera: Noctuidae) in Argentina
Arneodo Larochette, Joel Demian; Dami, Luciana Cecilia; Jakubowicz, Violeta; Alzogaray, Raúl Adolfo; Taibo, Catalina Beatriz (2018-09)Typical baculovirus infection symptoms were observed in Chrysodeixis includens Walker (Lepidoptera: Noctuidae) larvae from a laboratory rearing in Tucumán, Argentina. Scanning electron microscopy revealed the occurrence ... -
Further description of Helicoverpa zea (Lepidoptera: noctuidae) male genitalia and new genetic evidence of synonymy with respect to the anomalous form, “heliothis stombleri”
Balbi, Emilia Ines; Flores, Fernando Miguel; Tosto, Daniela Sandra; Arneodo Larochette, Joel Demian (2017-05-02)The Helicoverpa/Heliothis complex can cause serious damage to agricultural crops. Phenotypic similarity makes it difficult to discriminate between closely related Helicoverpa species. Currently, morphology of the male ... -
Genetic diversity of the polyphagous pest Rachiplusia nu across crops and locations in the Argentine Pampas
Decker Franco, Cecilia; San Blas, Germán; Balbi, Emilia Ines; Fichetti, Patricia; Puebla, Andrea Fabiana; Toledo, Andrea Vanesa; Arneodo Larochette, Joel Demian (Wiley, 2023-09-19)Rachiplusia nu (Guenée) (Lepidoptera: Noctuidae, Plusiinae) is a defoliator of soybean (Glycine max L., Fabaceae), sunflower (Helianthus annuus L., Asteraceae), alfalfa (Medicago sativa L., Fabaceae), and horticultural ... -
Light microscopy of microsporidian spores and baculovirus occlusion bodies in Epinotia aporema and Helicoverpa gelotopoeon larval tissues, respectively
Arneodo Larochette, Joel Demian; Taibo, Catalina Beatriz; Sciocco, Alicia Ines (2016)Entomopathogens help regulate natural insect populations, and their use in pest management is the subject of active research. Classical and molecular techniques are currently available to elucidate disease etiology and ... -
Microscopic and PCR-based detection of microsporidia spores in human stool samples = Detección microscópica y molecular de esporas de microsporidios en muestras de heces humanas
Mena, Cristian Javier; Barnes, Andrés; Castro, Gonzalo; Guasconi, Lorena; Burstein, Verónica Liliana; Beccacece, Ignacio; Paulin, Patricia Catalina; Arneodo Larochette, Joel Demian; Carnevale, Silvana; Astudillo, Germán; Cervi, Laura; Theumer, Martín Gustavo; Chiapello, Laura Silvina (Elsevier, 2020-06)Microsporidia are obligate intracellular fungi with a remarkable ability to infect a wide range of invertebrate and vertebrate hosts. Namely, Enterocytozoon bieneusi is the most frequently microsporidia reported worldwide, ... -
Molecular evidence that cellulolytic bacterial genus Cohnella is widespread among Neotropical Nasutitermitinae from NE Argentina = Evidencia molecular de la ocurrencia de bacterias celulolíticas del género Cohnella en especies neotropicales de Nasutitermitinae colectadas en el NEA
Arneodo Larochette, Joel Demian; Etcheverry, Clara; Thebe, Tumelo; Babalola, Olubukola Oluranti; Godoy, María Celina; Talia, Paola Mónica (Asociación Argentina de Microbiología, 2018-04)Cohnella es un género de bacterias celulolíticas que puede ser encontrado en una variedad de hábitats. El propósito de este estudio fue registrar su presencia en el tracto digestivo de termitas (Nasutitermes aquilinus, N. ... -
Molecular identification and preliminary diversity analysis of Astylus atromaculatus Blanchard, 1843 (Coleoptera: Melyridae) based on mitochondrial COI sequences
Arneodo Larochette, Joel Demian; Decker Franco, Cecilia (Springer, 2024-09-05)Astylus atromaculatus Blanchard, 1843 (Coleoptera: Melyridae) is a pollinivorous beetle native to southern South America, which has invaded South Africa more than a century ago. Adults and/or larvae may occasionally damage ... -
Molecular identification for Helicoverpa spp. in Bt and non- Bt crops in central Argentina
Balbi, Emilia Ines; Flores, Fernando Miguel; Tosto, Daniela Sandra; Arneodo Larochette, Joel Demian (Embrapa Secretaria de Pesquisa e Desenvolvimento, 2022-06-24)The objective of this work was to identify, by molecular analysis, the species of the genus Helicoverpa in corn, soybean, and lucerne Bt and non-Bt crops, in central Argentina. A total of 1,343 carterpillars were analyzed ... -
Neotropical termite microbiomes as sources of novel plant cell wall degrading enzymes
Romero Victorica, Matias; Soria, Marcelo Abel; Batista-García, Ramón Alberto; Ceja-Navarro, Javier A.; Vikram, Surendra; Ortiz, Maximiliano; Ontañon, Ornella; Ghio, Silvina; Martínez-Ávila, Liliana; Quintero García, Omar Jasiel; Etcheverry, Clara; Campos, Eleonora; Cowan, Donald; Arneodo Larochette, Joel Demian; Talia, Paola Mónica (Springer Nature, 2020-03-02)In this study, we used shotgun metagenomic sequencing to characterise the microbial metabolic potential for lignocellulose transformation in the gut of two colonies of Argentine higher termite species with different ...