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Mostrando ítems 1-13 de 13
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Acceptability and suitability of Tuta absoluta eggs from irradiated parents to parasitism by Trichogramma nerudai and Trichogramma pretiosum (Hymenoptera: Trichogrammatidae)
Cagnotti, Cynthia Lorena; Hernandez, Carmen Marcela; Andorno, Andrea Veronica; Viscarret, Mariana Mabel; Riquelme Virgala, María Begoña; Botto, Eduardo Norberto; Lopez, Silvia Noemi (2016)Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is one of the most devastatingpests of tomato crops. We studied the acceptability and suitability of eggs laid byirradiated T. absoluta pairs to parasitism by the parasitoids ... -
Cold storage of Trichogramma nerudai using an acclimation period
Cagnotti, Cynthia Lorena; Lois, Marcelo; Lopez, Silvia Noemi; Botto, Eduardo Norberto; Viscarret, Mariana Mabel (Springer, 2018)The availability of suitable storage methods for parasitoids is a valuable tool in biological control programs. Studies were conducted to investigate the effects of cold storage with acclimation period on the quality of ... -
Complementary Sex Determination in the Parasitic Wasp Diachasmimorpha longicaudata
Carabajal Paladino, Leonale Suzel; Muntaabski, Irina; Lanzavecchia, Silvia Beatriz; Le Bagousse-Pinguet, Yoann; Viscarret, Mariana Mabel; Juri, Marianela Lucía; Fueyo Sánchez, Luciana; Papeschi, Alba Graciela; Cladera, Jorge Luis; Bressa, María José (Plos One, 2015-03)We studied the sex determination in Diachasmimorpha longicaudata, a parasitoid braconid wasp widely used as biological control agent of fruit pest tephritid flies. We tested the complementary sex determination hypothesis ... -
Desarrollo de Herramientas para el manejo integrado de Artrópodos perjudiciales. Resúmenes de actividades
Lopez, Silvia Noemi; Sauka, Diego Hernan; Segura, Diego Fernando; Viscarret, Mariana Mabel (INTA Ediciones, 2019)Uno de los problemas más importantes de la agricultura moderna es la pérdida de rendimiento derivada del ataque de invertebrados perjudiciales. El uso de plaguicidas químicos para enfrentarlos se contrapone a la demanda ... -
Effects of superparasitism on immature and adult stages of Diachasmimorpha longicaudata Ashmead (Hymenoptera: Braconidae) reared on Ceratitis capitata Wiedemann (Diptera: Tephritidae)
Devescovi, Francisco; Bachmann, Guillermo Enrique; Nussenbaum, Ana Laura; Viscarret, Mariana Mabel; Cladera, Jorge Luis; Segura, Diego Fernando (2017)The optimal use of available host by parasitoid insects should be favoured by natural selection. For solitary parasitoids, superparasitism (i.e. the egg-laying of several eggs/host) may represent a detrimental phenomenon ... -
Evaluación de tres clases de trigo para la cría de Sitotroga cerealella (Lepidoptera: Gelechiidae) como hospedante utilizado en la cría de enemigos naturales
Méndez, Lucía M.; Botto, Eduardo Norberto; Flores, Dora; Cagnotti, Cynthia Lorena; Lopez, Silvia Noemi; Viscarret, Mariana Mabel (Sociedad Entomológica Argentina, 2016)La estandarización de protocolos para la cría artificial es esencial para lograr una producción de insectos adecuada en calidad y cantidad. Los huevos de Sitotroga cerealella Olivier se utilizan para la cría de parasitoides ... -
Evaluation of Artemia sp. (Branchiopoda, Artemiidae) as an alternative prey for laboratory rearing of Tupiocoris cucurbitaceus (Hemiptera: Miridae), a predator of horticultural pests
Lois, Marcelo; Carrizo, Paola Irene; Lopez, Silvia Noemi; Viscarret, Mariana Mabel (Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Argentina, 2022-06-30)Tupiocoris cucurbitaceus (Spinola) (Hemiptera: Miridae) es un predador de moscas blancas (Hemiptera: Aleyrodidae) presente en varios países de América. La cría de este insecto requiere el uso de plantas como sustrato de ... -
Evaluation of the maternal photoperiodic effect as a storage method on Trichogramma nerudai
Viscarret, Mariana Mabel; Cagnotti, Cynthia Lorena; Lopez, Silvia Noemi (Department of Agroenvironmental Sciences and Technologies, Università di Bologna, 2023-01-23)Maternal photoperiodic effect on Trichogramma nerudai Pintureau et Gerding (Hymenoptera Trichogrammatidae) was evaluated to test its possible exploitation to store the parasitoid. Freshly parasitized eggs of Sitotroga ... -
Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns
Devescovi, Francisco; Bachmann, Guillermo Enrique; Nussenbaum, Ana Laura; Viscarret, Mariana Mabel; Cladera, Jorge Luis; Segura, Diego Fernando (Cambridge University Press, 2021-04)Many parasitoid species discriminate already parasitized hosts, thus avoiding larval competition. However, females incur in superparasitism under certain circumstances. Superparasitism is commonly observed in the artificial ... -
Innate Host Habitat Preference in the Parasitoid Diachasmimorpha longicaudata: Functional Significance and Modifications through Learning
Segura, Diego Fernando; Nussenbaum, Ana Laura; Viscarret, Mariana Mabel; Devescovi, Francisco; Bachmann, Guillermo Enrique; Corley, Juan Carlos; Ovruski Alderete, Sergio Marcelo; Cladera, Jorge Luis (2016)Parasitoids searching for polyphagous herbivores can find their hosts in a variety of habitats. Under this scenario, chemical cues from the host habitat (not related to the host) represent poor indicators of host location. ... -
Life history study of the mirid Tupiocoris cucurbitaceus feeding on Tuta absoluta eggs: implications for biological control and its combination with inherited sterility
Cagnotti, Cynthia Lorena; Arias, Ariel E.; Ermantraut, Erika N.; Andorno, Andrea Veronica; Viscarret, Mariana Mabel; Lopez, Silvia Noemi (Springer, 2021)Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is a key pest of tomato crops. Tupiocoris cucurbitaceus (Spinola) (Hemiptera: Miridae) is a neotropical predator capable of consuming T. absoluta eggs. We evaluated the ... -
Male–female separation with a genetic sexing strain of Medfly, Ceratitis capitata, based on the gene sw (slow)
Viscarret, Mariana Mabel; Stolar, Cristian Eric; Cladera, Jorge Luis (lsteg Scientific Publications, 2004)The rate of development of the Medfly, Ceratitis capitata, slows down in the presence of mutation slow, sw. Separation of fast-developing males from slow-developing females is possible when this locus on chromosome 2 is ... -
Response of the fruit fly parasitoid Diachasmimorpha longicaudata to host and host‐habitat volatile cues
Segura, Diego Fernando; Viscarret, Mariana Mabel; Ovruski Alderete, Sergio Marcelo; Cladera, Jorge Luis (Wiley, 2012-05)Chemical information is crucial to insect parasitoids for successful host location. Here, we evaluated the innate response of Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae), a fruit fly larval parasitoid, ...