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Mostrando ítems 1-6 de 6
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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 ... -
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 ... -
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. ... -
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, ...