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Infestation of fruit by conspecific and heterospecific females deters oviposition in two Tephritidae fruit fly species
Liendo, María Clara; Parreño, María Alejandra; Pietrek, Alejandro G.; Bouvet, Juan Pedro; Milla, Fabian Horacio; Vera, María Teresa; Cladera, Jorge Luis; Segura, Diego Fernando (Wiley, 2020-09)Tephritidae fruit fly larvae develop entirely in the host chosen by the females. To improve the fitness of their progeny, females would benefit from rejecting previously exploited hosts. Anastrepha fraterculus and Ceratitis ... -
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. ... -
Male Sexual Behavior and Pheromone Emission Is Enhanced by Exposure to Guava Fruit Volatiles in Anastrepha fraterculus
Bachmann, Guillermo Enrique; Segura, Diego Fernando; Devescovi, Francisco; Juárez, María Laura; Ruiz, María Josefina; Vera, María Teresa; Cladera, Jorge Luis; Teal, Peter E.A.; Fernandez, Patricia Carina (Plos One, 2015-04)Background: Plant chemicals can affect reproductive strategies of tephritid fruit flies by influencing sex pheromone communication and increasing male mating competitiveness. Objective and Methodology: We explored whether ... -
Male sexual enhancement after methoprene treatment in Anastrepha fraterculus (Diptera: Tephritidae) : a sustained response that does not fade away after sexual maturation
Bachmann, Guillermo Enrique; Devescovi, Francisco; Nussenbaum, Ana Laura; Cladera, Jorge Luis; Fernandez, Patricia Carina; Vera, María Teresa; Teal, Peter E.A.; Segura, Diego Fernando (2017)The juvenile hormone (JH) of insects triggers physiological changes related to reproduction in adults of both sexes. Methoprene is a sesquiterpene with some effects that are analogous to those of JH. Treatments with ... -
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 ... -
Mate choice confers direct benefits to females of Anastrepha fraterculus (Diptera: Tephritidae)
Bachmann, Guillermo Enrique; Devescovi, Francisco; Nussenbaum, Ana Laura; Milla, Fabian Horacio; Shelly, Todd E.; Cladera, Jorge Luis; Fernandez, Patricia; Vera, María Teresa; Segura, Diego Fernando (Public Library of Science, 2019-06)Exposure to plant compounds and analogues of juvenile hormone (JH) increase male mating success in several species of tephritid fruit flies. Most of these species exhibit a lek mating system, characterized by active female ... -
Microsatellite markers from the ‘South American fruit fly’ Anastrepha fraterculusa: valuable tool for population genetic analysis and SIT applications
Lanzavecchia, Silvia Beatriz; Juri, Marianela Lucía; Bonomi, Angelica; Gomulski, Ludvik; Scannapieco, Alejandra Carla; Segura, Diego Fernando; Malacrida, Anna; Cladera, Jorge Luis; Gasperi, Giuliano (BioMed Central, 2014-12-01)Background: Anastrepha fraterculus Wiedemann is a horticultural pest which causes significant economic losses in the fruit-producing areas of the American continent and limits the access of products to international markets. ... -
Molecular characterization of Apis mellifera colonies from Argentina: genotypic admixture associated with ecoclimatic regions and apicultural activities
Agra, Marcelo Nicolás; Conte, Claudia Alejandra; Corva, Pablo Marcelo; Cladera, Jorge Luis; Lanzavecchia, Silvia Beatriz; Palacio, María Alejandra (Wiley Online Library, 2018-08)The European honeybee, Apis mellifera L. (Hymenoptera: Apidae), is considered as a main contributor to pollination of important crops and to honey production. Originally, beekeeping in Argentina was performed in an extended ... -
Patterns of resource distribution among conspecific larvae in two fruit fly species : Anastrepha fraterculus and Ceratitis capitata (diptera: tephritidae)
Liendo, María Clara; Devescovi, Francisco; Boca, Rosa Teresa; Cladera, Jorge Luis; Vera, María Teresa; Segura, Diego Fernando (2016)1 Anastrepha fraterculus (Diptera: Tephritidae) and Ceratitis capitata (Diptera: Tephritidae) are fruit fly pests whose larvae are frequently found sharing the same fruit with conspecifics. Because larvae are incapable of ... -
Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
Liendo, María Clara; Devescovi, Francisco; Bachmann, Guillermo Enrique; Utges, María E.; Abraham, Solana; Vera, María Teresa; Lanzavecchia, Silvia Beatriz; Bouvet, Juan Pedro; Gomez Cendra, Paula V.; Hendrichs, Jorge; Teal, Peter E. A.; Cladera, Jorge Luis; Segura, Diego Fernando (Cambridge University Press, 2013-02)Sexual maturation of Anastrepha fraterculus is a long process. Methoprene (a mimic of juvenile hormone) considerably reduces the time for sexual maturation in males. However, in other Anastrepha species, this effect depends ... -
La producción y gestión del conocimiento científico y tecnológico en el CNIA: una experiencia prospectiva
Schuff, Paula Veronica; Gonzalez, Leticia; Moltoni, Luciana Andrea; Sanchez, Guillermo; Carrapizo, Veronica Noemi; Cladera, Jorge Luis (Ediciones INTA, 2017)La contribución esencial que el presente ejercicio brinda es impulsar el fortalecimiento de los vínculos entre práctica científica, anclaje territorial y visión de futuro. Con ello, se recrea una cultura de trabajo que ... -
Remating behavior in Anastrepha fraterculus (Diptera: Tephritidae) females is affected by male juvenile hormone analog treatment but not by male sterilization
Abraham, Solana; Liendo, María Clara; Devescovi, Francisco; Peralta, Patricia Angelica; Yusef, Verónica; Ruiz, María Josefina; Cladera, Jorge Luis; Vera, Maria Teresa; Segura, Diego Fernando (Cambridge University Press, 2013-06)The sterile insect technique (SIT) has been proposed as an area-wide method to control the South American fruit fly, Anastrepha fraterculus (Wiedemann). This technique requires sterilization, a procedure that affects, along ... -
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, ... -
Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review
Giardini, Maria Cecilia; Milla, Fabian Horacio; Lanzavecchia, Silvia Beatriz; Nieves, Mariela; Cladera, Jorge Luis (Pensoft Publishers, 2015-11)Cytogenetics, which is considered a fundamental tool to understand basic genetic and genomic issues of species, has greatly contributed to the description of polymorphisms both at inter- and intra-specific level. In fact, ... -
Spermatogenesis in the parasitoid Diachasmimorpha longicaudata (Hymenoptera: Braconidae)
Carabajal Paladino, Leonale Suzel; Lo Nostro, Fabiana Laura; Papeschi, Alba Graciela; Cladera, Jorge Luis; Bressa, María José (2017)The study of spermatogenesis in Hymenoptera is limited to few taxa due to limitations to access the material in the right stage for analysis. The information available up to now states that the gametogenesis in males ... -
Temporal changes in volatile profiles of Varroa destructor-infested brood may trigger hygienic behavior in Apis mellifera
Liendo, María Clara; Muntaabski, Irina; Russo, Romina Maria; Lanzavecchia, Silvia Beatriz; Segura, Diego Fernando; Palacio, María Alejandra; Cladera, Jorge Luis; Fernández, Patricia Carina; Scannapieco, Alejandra Carla (Wiley, 2021-03-16)Varroa destructor Anderson & Trueman (Acari: Varroidae) is one of the major contributors to the significant losses of western honey bee, Apis mellifera L. (Hymenoptera: Apidae), colonies worldwide. Hygienic behavior, in ... -
Transcriptome analysis of Anastrepha fraterculus sp. 1 males, females, and embryos: insights into development, courtship, and reproduction
Scannapieco, Alejandra Carla; Conte, Claudia Alejandra; Rivarola, Maximo Lisandro; Wulff, Juan Pedro; Muntaabski, Irina; Ribone, Andrés Ignacio; Milla, Fabian Horacio; Cladera, Jorge Luis; Lanzavecchia, Silvia Beatriz (BioMed Central, 2020-12)Anastrepha fraterculus sp. 1 is considered a quarantine pest in several American countries. Since chemical control applied in an integrated pest management program is the only strategy utilized against this pest, the ... -
Transcriptome profiling of Diachasmimorpha longicaudata towards useful molecular tools for population management
Mannino, María Constanza; Rivarola, Maximo Lisandro; Scannapieco, Alejandra Carla; Gonzalez, Sergio Alberto; Farber, Marisa Diana; Cladera, Jorge Luis; Lanzavecchia, Silvia Beatriz (2016)Background: Diachasmimorpha longicaudata (Hymenoptera: Braconidae) is a solitary parasitoid of Tephritidae (Diptera) fruit flies of economic importance currently being mass-reared in bio-factories and successfully used ...