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A method for semi-field rearing of Varroa destructor (Acari: Varroidae) to obtain mites of controlled age and specific life cycle
Muntaabski, Irina; Russo, Romina Maria; Liendo, María Clara; Landi, Lucas; Lanzavecchia, Silvia Beatriz; Scannapieco, Alejandra Carla (Les Amis d'Acarologia, 2023-03)Varroa destructor is one of the most devastating ectoparasites of the honey bee, Apis mellifera, worldwide. Given that V. destructor has very low survivability and exhibits no successful reproduction away from their natural ... -
Adh1 first intron polymorphisms in Argentinean populations of Ceratitis capitata
Lanzavecchia, Silvia Beatriz; Remis, Maria Isabel; Cladera, Jorge Luis; Zandomeni, Ruben (2010-07)DNA size polymorphisms were utilized in a study of 24 natural populations of Ceratitis capitata Wiedemann (Diptera: Tephritidae) from Argentina. The first intron of alcohol dehydrogenase 1 gene (Adh1) was amplified using ... -
Age‑performance and intensity of grooming behavior toward Varroa destructor in resistant and susceptible Apis mellifera colonies
Russo, Romina Maria; Landi, Lucas; Muntaabski, Irina; Liendo, María Clara; Pietronave, Hernan Pablo; Merke, Julieta; Rodriguez, Graciela Adriana; Palacio, María Alejandra; Basilio, Alicia Mabel; Lanzavecchia, Silvia Beatriz; Scannapieco, Alejandra Carla (Springer, 2022-10)Grooming behavior confers resistance to honey bees against Varroa destructor, being of interest to social immunity studies and breeding programs. The objective of this study was to characterize at the individual level the ... -
Analysis of the gut bacterial community of wild larvae of Anastrepha fraterculus sp. 1: effect of host fruit, environment, and prominent stable associations of the genera Wolbachia, Tatumella, and Enterobacter
Salgueiro, Julieta; Nussenbaum, Ana Laura; Milla, Fabian Horacio; Asimakis, Elias D.; Goane, Lucía; Ruiz, María Josefina; Bachmann, Guillermo Enrique; Vera, María Teresa; Stathopoulou, Panagiota; Bourtzis, Kostas; Deutscher, Ania T.; Lanzavecchia, Silvia Beatriz; Tsiamis, George; Segura, Diego Fernando (Frontiers Media, 2022-03)The genus Anastrepha (Diptera Tephritidae) includes some of the most important fruit fly pests in the Americas. Here, we studied the gut bacterial community of 3rd instar larvae of Anastrepha fraterculus sp. 1 through Next ... -
Assessing the role of key genes involved in the reproductive success of the honey bee parasite Varroa destructor
Muntaabski, Irina; Salvador, Ricardo; Russo, Romina Maria; Wulff, Juan Pedro; Landi, Lucas; Liendo, María Clara; Lanzavecchia, Silvia Beatriz; Scannapieco, Alejandra Carla (BioMed Central, 2025-07)The ectoparasite Varroa destructor is the primary global threat to the western honey bee, Apis mellifera. Growing resistance to acaricide-based treatments has spurred interest in alternative control strategies. In this ... -
Bases genéticas del comportamiento defensivo de colonias de Apis mellifera adaptadas a clima subtropical
Bianchi, Eliana Mariel (Facultad de Cs. Naturales e Instituto “Miguel Lillo”, Universidad Nacional de Tucumán, 2022)La abeja de la miel, Apis mellifera (Hymenoptera: Apidae) es considerada a nivel mundial como el principal insecto polinizador de cultivos y productor de miel para consumo humano. También es un importante modelo para ... -
Chromosome-scale genome assembly of the South American fruit fly, Anastrepha fraterculus sp.1
Rivarola, Maximo Lisandro; Conte, Claudia Alejandra; Berube, Pierre; Chen, Shu-Huang; Giardini, Maria Cecilia; Scannapieco, Alejandra Carla; Milla, Fabian Horacio; Soria, Maria Celeste; Russo, Romina Maria; Wulff, Juan Pedro; Djambazian, Haig H.; Pomar, Rolando R.; Handler, Alfred M.; Bourtzis, Kostas; Ragoussis, Ioannis; Lanzavecchia, Silvia Beatriz (Wiley, 2025-10)Anastrepha fraterculus is a cryptic species complex with at least eight morphotypes distributed across the Americas. Among them, A. fraterculus sp.1, present in Argentina, is a major pest impacting fresh fruit production. ... -
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 ... -
Cryptic genetic structure in an Argentinian population of Anastrepha fraterculus (Diptera: Tephritidae) evidenced by SSR markers and quantitative traits
Rodriguez, Angeles I.; Ferreyra, Laura Ines; Lanzavecchia, Silvia Beatriz; Gomez Cendra, Paula V.; Vilardi, Juan Cesar (Czech Academy of Sciences, 2019-04)In some regions of Argentina and Brazil, the South American fruit fly Anastrepha fraterculus (Wied.) (Diptera: Tephritidae) causes significant damage to crops. An efficient integrated management program requires knowledge ... -
Culturable bacteria associated with Anastrepha fraterculus sp. 1 : in search of nitrogen-fixing symbionts with biotechnological potential
Salgueiro, Julieta; Nussenbaum, Ana Laura; Marchesini, María Inés; Garbalena, Micaela Soledad; Brambilla, Silvina Maricel; Belliard, Silvina Ahnahi; Cuadros, Fabián; Núñez, Mauricio; Yáñez, Carolina; Juárez, María Laura; Vera, María Teresa; Lanzavecchia, Silvia Beatriz; Tsiamis, George; Segura, Diego Fernando (Wiley, 2025-02)Anastrepha fraterculus is a significant fruit fly pest in Argentina and other South American countries. Previous studies showed the key role of gut bacteria in the protection and nutrient assimilation of fruit flies, ... -
Cytogenetic analysis of the South American fruit fly Anastrepha fraterculus (diptera:tephritidae) species complex : construction of detailed photographic polytene chromosome maps of the Argentinian af. sp.1 member
Gariou-Papalexiou, Aggeliki; Giardini, Maria Cecilia; Augustinos, Antonios A.; Drosopoulou, Elena; Lanzavecchia, Silvia Beatriz; Cladera, Jorge Luis; Caceres, Carlos; Bourtzis, Kostas; Mavragani-Tsipidou, Penelope; Zacharopoulou, Antigone (2016)Genetic and cytogenetic studies constitute a significant basis for understanding the biology of insect pests and the design and the construction of genetic tools for biological control strategies. Anastrepha fraterculus ... -
Cytogenetic characterization of Diachasmimorpha longicaudata (Hymenoptera: Braconidae), a parasitoid wasp used as a biological control agent
Carabajal Paladino, Leonale Suzel; Papeschi, Alba Graciela; Lanzavecchia, Silvia Beatriz; Cladera, Jorge Luis; Bressa, María José (Czech Academy of Sciences, 2013-07)Diachasmimorpha longicaudata (Hymenoptera: Braconidae) is a parasitoid wasp widely used in the biological control of fruit flies. In this paper, we present a detailed analysis of the karyotype of this species based on the ... -
Cytogenetic characterization of sex chromosomes in the Y-short anastrepha fraterculus strain
Giardini, Maria Cecilia; Milla, Fabian Horacio; Nieves, M.; Cladera, Jorge Luis; Lanzavecchia, Silvia Beatriz (2016)The presence of genes encoding male determining factors linked to the Y chromosome has been previously reported in Dipteran species. No information is available for A. fraterculus -
Defensive Behavior and Morphometric Variation in Apis mellifera Colonies From Two Different Agro-Ecological Zones of North-Western Argentina
Bianchi, Eliana Mariel; Agra, Marcelo Nicolás; Garcia, Cristina Esther; Gennari, Gerardo Pablo; Maldonado, Luis Maria; Rodriguez, Graciela Adriana; Palacio, María Alejandra; Scannapieco, Alejandra Carla; Lanzavecchia, Silvia Beatriz (Frontiers Media, 2021-09-14)European lineages of Apis mellifera were first introduced into America for beekeeping purposes. A subsequent introduction and accidental release of A. m. scutellata resulted in hybridization events that gave rise to ... -
Distribution and prevalence of Nosema apis and N. ceranae in temperate and subtropical eco-regions of Argentina
Pacini, Adriana Cecilia; Mira, Anabela; Molineri, Ana Ines; Giacobino, Agostina; Bulacio Cagnolo, Natalia Veronica; Aignasse, Andrea María Elisa; Zago, Luis Fernando Basili; Izaguirre, Mercedes; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Pietronave, Hernan Pablo; Russo, Romina Maria; Scannapieco, Alejandra Carla; Lanzavecchia, Silvia Beatriz; Schnittger, Leonhard; Signorini, Marcelo (2016-11)A total of 361 colonies from 59 apiaries located in two temperate and three subtropical eco-regions were examined during the post-harvest period to determine distribution and prevalence of Nosema spp. Apiaries from subtropical ... -
Dynamics of genetic variability in Anastrepha fraterculus (Diptera: Tephritidae) during adaptation to laboratory rearing conditions
Parreño, María Alejandra; Scannapieco, Alejandra Carla; Remis, Maria Isabel; Juri, Marianela Lucía; Vera, María Teresa; Segura, Diego Fernando; Cladera, Jorge Luis; Lanzavecchia, Silvia Beatriz (BioMed Central, 2014)Background: Anastrepha fraterculus is one of the most important fruit fly plagues in the American continent and only chemical control is applied in the field to diminish its population densities. A better understanding ... -
Embryogenesis and apoptosis appears as key molecular pathways involved in Varroa destructor reproduction
Muntaabski, Irina; Latorre Estivalis, Jose M.; Russo, Romina Maria; Landi, Lucas; Agra, Marcelo Nicolás; Liendo, María Clara; Lanzavecchia, Silvia Beatriz; Scannapieco, Alejandra Carla (Springer, 2023-10)In this study, we identified candidate genes associated with the reproductive success of Varroa destructor in Apis mellifera brood cells at a key point in time, the 4th day after host cell capping. First-life cycle reproducing ... -
Evaluation of a Varroa-resistant Apis mellifera selected stock under a commercial beekeeping system in Northern Argentina
Pietronave, Hernan Pablo; Russo, Romina Maria; Giacobino, Agostina; Palacio, María Alejandra; Liendo, María Clara; Lanzavecchia, Silvia Beatriz; Merke, Julieta; Scannapieco, Alejandra Carla (Taylor & Francis, 2025)The selection and breeding of Apis mellifera colonies with a natural ability to survive Varroa destructor provide a long-term solution for a sustainable apiculture. In Argentina, a selected honey bee stock showing resistance ... -
Exploring the molecular differentiation of sex chromosomes in Anastrepha fraterculus sp. 1 using comparative genomic hybridization (CGH)
Giardini, Maria Cecilia; Milla, Fabian Horacio; Conte, Claudia Alejandra; Lanzavecchia, Silvia Beatriz; Nieves, Mariela (Springer, 2025-02)Background: The South American fruit fly Anastrepha fraterculus sp. 1 belongs to a cryptic species complex with only a single morphotype present in Argentina, which possess polymorphisms in the sex chromosomes, identified ... -
Expression analysis of genes putatively associated with hygienic behavior in selected stocks of Apis mellifera L. from Argentina
Scannapieco, Alejandra Carla; Mannino, Constanza; Soto, Gabriela Cinthia; Palacio, María Alejandra; Cladera, Jorge Luis; Lanzavecchia, Silvia Beatriz (2017-11)Hygienic behavior is an economically beneficial, heritable trait, which has evolved to limit the impact of honeybee pathogens. Selecting and breeding colonies with high levels of hygienic behavior has become a feasible and ...