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Identification of candidate genes associated with host-seeking behavior in the parasitoid wasp Diachasmimorpha longicaudata
Wulff, Juan Pedro; Traverso, Lucila M.; Latorre Estivalis, Jose M.; Segura, Diego Fernando; Lanzavecchia, Silvia Beatriz (BioMed Central, 2024-02)Background: Diachasmimorpha longicaudata is a hymenopteran fruit fly endoparasitoid. Females of this species find their hosts for oviposition by using complex sensorial mechanisms in response to physical and chemical stimuli ... -
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. ... -
Lemon and Schinus polygama essential oils enhance male mating success of Anastrepha fraterculus
Ruiz, María Josefina; Suárez, María L.; Jofré Barud, Flavia; Goane, Lucía; Valladares, Gabriela A.; Bachmann, Guillermo Enrique; Belliard, Silvina Ahnahi; Páez Jerez, Paula; Zamora Belli, Ana Lucía; García Méndez, F. Daniela; Segura, Diego Fernando; Lopez, María Liza; Vera, María Teresa (Wiley, 2020-11-27)The sterile insect technique (SIT) is an environmentally friendly pest control method that relies on the introduction of sterility into the pest population by the release of sterile males. Many Tephritidae fruit fly pests ... -
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 ... -
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. ... -
Ongoing speciation within the Anastrepha fraterculus cryptic species complex: the case of the Andean morphotype
Devescovi, Francisco; Abraham, Solana; Roriz, Alzira K.P.; Nolazco, Norma; Castañeda, Rosario; Tadeo, Eduardo; Caceres, Carlos; Segura, Diego Fernando; Vera, María Teresa; Joachim-Bravo, Iara; Canal, Nelson; Rull Gabayet, Juan Antonio (Wiley, 2014-09)The Anastrepha fraterculus (Wiedemann) (Diptera: Tephritidae) cryptic species complex is currently composed of seven taxonomically recognized morphotypes. Both, pre‐ and post‐zygotic isolation has been documented among ... -
Oviposition substrate location by the invasive woodwasp Sirex noctilio: the combined effect of chemical cues emitted by its obligate symbiont Amylostereum areolatum and different host-tree species
Masague, Santiago; Fernández, Patricia Carina; Devescovi, Francisco; Segura, Diego Fernando; De La Vega, Gerardo; Corley, Juan Carlos; Villacide, Jose Maria; Martinez, Andres (Wiley, 2023-06)BACKGROUND: Sirex noctilio is an invasive forest wasp that affects pines and can result in severe economic losses. The use of semiochemicals offers an opportunity to develop sensitive and specific capturing systems to ... -
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 ... -
Plant chemicals and the sexual behavior of male tephritid fruit flies
Segura, Diego Fernando; Belliard, Silvina Ahnahi; Vera, María Teresa; Bachmann, Guillermo Enrique; Ruiz, María Josefina; Jofre-Barud, Flavia; Fernandez, Patricia Carina; Lopez, M. Liza; Shelly, Todd E. (Oxford University Press, 2018-09)Plant compounds affect insects in many different ways. In addition to being a food source, plants also contain secondary metabolites that may have positive and negative impacts on insects. The influence of these compounds ... -
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 ... -
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, ... -
Sexual competitiveness of sterile Ceratitis capitata males exposed to essential oils from non-host plant species native to Argentina
Jofré Barud, Flavia; Gomez, María Pía; Ruiz, María Josefina; Bachmann, Guillermo Enrique; Goane, Lucía; Segura, Diego Fernando; Lara, Natalia; Murúa, Fernando; Asfennato, Alejandro; Gómez, Érica; Ruiz, Cynthia; Garavelli, Esteban; Vera, María Teresa; Lopez, María Liza (Wiley, 2023-02)The sterile insect technique (SIT) is used to control fruit fly pests, such as the Mediterranean fruit fly (medfly), Ceratitis capitata (Wiedemann) (Diptera: Tephritidae). Enhancing sexual competitiveness of mass-reared ... -
Symbionts do not affect the mating incompatibility between the Brazilian-1 and Peruvian morphotypes of the Anastrepha fraterculus cryptic species complex
Devescovi, Francisco; Conte, Claudia Alejandra; Augustinos, Antonios A.; Cancio Martinez, Elena I.; Segura, Diego Fernando; Caceres, Carlos; Lanzavecchia, Silvia Beatriz; Bourtzis, Kostas (Springer Nature, 2019-12)The South American fruit fly, Anastrepha fraterculus, is clearly undergoing a speciation process. Among others, two of their morphotypes, the Brazilian-1 and Peruvian, have accumulated differences in pre- and post-zygotic ... -
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 ... -
Timing of exposure and nutritional status affect male response to guava volatiles, a known courtship enhancer of Anastrepha fraterculus
Belliard, Silvina Ahnahi; Fernandez, Patricia Carina; Vera, María Teresa; Segura, Diego Fernando (Springer, 2021-06)Finding ways to improve the sexual competitiveness of laboratory reared males have proven beneficial for the sterile insect technique. Exposure to essential oils enhances male mating success in several species of Tephritidae ... -
Unravelling chemical cues used by Diachasmimorpha longicaudata (Hymenoptera: Braconidae ) during host search
Devescovi, Francisco; Fernández, Patricia; Bachmann, Guillermo Enrique; Nussenbaum, Ana Laura; Segura, Diego Fernando (FAO-IAEA, 2022-11)Parasitoid wasps are attracted to their hosts using associated volatile compounds. In an static air olfactometer, it was shown that Diachasmimorpha longicaudata females oriented towards oranges with direct or indirect signs ...