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Alternative applications of the strategic control against the cattle tick Rhipicephalus (Boophilus) microplus in a subtropical area
(Springer, 2021-09)Although different evaluations on the efficacy of the strategic control against Rhipicephalus microplus have been performed, the effects of successive applications of these schemes on the abundance of cattle ticks have not ... -
Un caso de resistencia de Rhipicephalus microplus (Acari: Ixodidae) al fipronil detectado en pruebas de campo en el este de Santiago del Estero, Argentina
(2018-03)En este trabajo se describe la resistencia de una población Rhipicephalus microplus resistente al fipronil 1% (ECTOLINE®) en condiciones de campo en el este de Santiago del Estero, Argentina. Las pruebas fueron realizadas ... -
Determinación de la concentración letal 50 para rhipicephalus (boophilus) microplus de la formamidina (amitraz) en diferentes poblaciones de la Argentina
(2013)Se determinó la concentración letal 50 (CL 50) para el amitraz (Az) en poblaciones susceptibles de Rhipicephalus (Boophilus) microplus (R. (B) microplus) utilizando tela de nylon (Type 2320, Cerex Advanced Fabrics, ... -
Ecology and genetic variation of Amblyomma tonelliae in Argentina
(2015-09)The ecology of Amblyomma tonelliae (Ixodida: Ixodidae), including its seasonal distribution and the development periods of each stage, was investigated during a study carried out over two consecutive years in northwestern ... -
Ehrlichia canis (Rickettsiales: Anaplasmataceae) en garrapatas Rhipicephalus sanguineus sensu lato del linaje templado (Acari. Ixodidae), provincia de Buenos Aires, Argentina
(2017)El objetivo del presente estudio es notificar el hallazgo de Ehrlichia canis en garrapatas Rhipicephalus sanguineus sensu lato (s. l.) del linaje templado (LTe) colectadas sobre un canino con ehrlichiosis monocítica canina ... -
Garrapatas (ixodida) y ácaros (mesostigmata) parásitos de roedores sigmodontinos del delta del Paraná, Argentina
(2013)Se determinaron las especies de garrapatas y ácaros mesostigmata parásitos de roedores sig-modontinos en una localidad del Delta del Paraná. Fueron registradas 38 asociaciones parásito-hospedador entre dos especies de ... -
Infection with Ehrlichia canis and Anaplasma platys (Rickettsiales: Anaplasmataceae) in two lineages of Rhipicephalus sanguineus sensu lato (Acari: Ixodidae) from Argentina
(2015-09)Natural infection with Ehrlichia canis and Anaplasma platys in ticks belonging to the tropical and temperate lineages of Rhipicephalus sanguineus sensu lato from Argentina was evaluated. Samples were tested for Ehrlichia ... -
Ixodes inopinatus − Occurring also outside the Mediterranean region
(2018-02)We report the presence of Ixodes inopinatus and its sympatric occurrence with Ixodes ricinus in southeastern Germany, western Austria, and Romania. The identification of I. inopinatus was based on morphological and molecular ... -
Key management practices to prevent high infestation levels of Varroa destructor in honey bee colonies at the beginning of the honey yield season
(2016)Varroa destructor is considered one of the main threats to worldwide apiculture causing a variety of physiological effects at individual and colony level. Also, Varroa mites are often associated with several honey bee ... -
Management strategies to minimize the use of synthetic chemical acaricides in the control of the cattle tick Rhipicephalus (Boophilus) microplus (Canestrini, 1888) in an area highly favourable for its development in Argentina
(Wiley, 2020-02)The aim of this work was to test the efficacy of winter-spring control strategies against Rhipicephalus (Boophilus) microplus (Canestrini, 1888) (Ixodida: Ixodidae) in an area highly favourable for its development in ... -
Molecular, biological, and morphometric comparisons between different geographical populations of Rhipicephalus sanguineus sensu lato (Acari: Ixodidae)
(2016-01)In this study, different geographical populations of Rhipicephalus sanguineus sensu lato were compared by molecular, biological, and morphometric methods. Phylogenetic trees were constructed using 12S and 16S rDNA sequences ... -
Natural infestation of Hydrochoerus hydrochaeris by Amblyomma dubitatum ticks
(2014-06)Natural infestation of Amblyomma dubitatum in relation to individual specific attributes of Hydrochoerus hydrochaeris such as sex, body mass and body condition was analyzed. The anatomical distribution of A. dubitatum on ... -
Potential associations between the mite Varroa destructor and other stressors in honeybee colonies (Apis mellifera L.) in temperate and subtropical climate from Argentina
(2018-09-14)The presence of Varroa destructor in colonies of Apis mellifera is explained by the interaction among a number of factors including beekeeping practices and surrounding environment features. The aim of this study was to ... -
Reduced efficacy of ivermectin and moxidectin against Parascaris spp. in foals from Argentina
(Elsevier, 2020-02)Macrocyclic lactones are the most widely used drugs for the control of gastrointestinal nematodes of horses in Argentina. Ivermectin and moxidectin are used as broad spectrum anthelmintics and although there are several ... -
Relationship between pharmacokinetics of ivermectin (3.15%) and its efficacy to control the infestation with the tick Rhipicephalus (Boophilus) microplus in cattle
(Elsevier, 2019-04)This study aimed to determine the relationship between the variation in plasma concentration of ivermectin 3.15% over time and its efficacy against the cattle tick Rhipicephalus (Boophilus) microplus. In addition, a trial ... -
Resistance of the cattle tick Rhipicephalus (Boophilus) microplus to fluazuron in Argentina
(Springer, 2022-05)The aim of this work is to report the presence of resistance to fluazuron in a population of Rhipicephalus microplus in Argentina. The evidence was obtained from field and in vitro trials. In the field trial, cattle infested ... -
Resistance of the cattle tick Rhipicephalus (Boophilus) microplus to ivermectin in Argentina
(Elsevier, 2020)Resistance to ivermectin in populations of the cattle tick Rhipicephalus microplus in Argentina was diagnosed in this work. The in vitro larval immersion test (LIT) was used to determine quantitatively the levels of ... -
Risk factors associated with the presence of Varroa destructor in honey bee colonies from east-central Argentina
(2014-08-01)Varroa destructor is considered one of the major threats for worldwide apiculture. Damage caused by varroa mite includes body weight loss, malformation and weakening of the bees. It was also suggested as the main cause ... -
Strategic applications of long-acting acaricides against Rhipicephalus (Boophilus) microplus in northwestern Argentina, with an analysis of tick distribution among cattle
(2015-03)Strategic applications of long-acting acaricides for the control of Rhipicephalus (Boophilus) microplus in northwestern Argentina were evaluated for one year. In addition, tick distribution among cattle was analyzed to ... -
Strategic treatments with systemic biocides to control Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) in northwestern Argentina = Tratamientos estratégicos con biocidas sistémicos para el control de Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) en el noroeste de Argentina
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2014)This work was performed to evaluate two different schemes of treatment with systemic biocides to control Rhipicephalus microplus in northwestern Argentina. Treatments were applied from late winter to late spring to act on ...