Research Topics
| A Estrada-PenaSummaryAffiliation: University of Zaragoza Country: Spain Publications
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Detail Information
Publications
A simulation model for environmental population densities, survival rates and prevalence of Boophilus decoloratus (Acari: ixodidae) using remotely sensed environmental informationAgustin Estrada-Pena
Veterinary Faculty, Department of Parasitology, Miguel Servet 177, 50013 Zaragoza, Spain
Vet Parasitol 104:51-78. 2002..decoloratus...
Increasing habitat suitability in the United States for the tick that transmits Lyme disease: a remote sensing approachAgustin Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, Miguel Servet, Zaragoza, Spain
Environ Health Perspect 110:635-40. 2002....
Understanding the relationships between landscape connectivity and abundance of Ixodes ricinus ticksAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Miguel Servet, 177, 50013 Zaragoza, Spain
Exp Appl Acarol 28:239-48. 2002..Whether these high-density 'stepping-stone' patches occur in other tick species needs to be evaluated because of the potential implications of these foci for human health...
An early warning system for Crimean-Congo haemorrhagic fever seasonality in Turkey based on remote sensing technologyAgustin Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, University of Zaragoza, Zaragoza, Spain
Geospat Health 2:127-35. 2007..We conclude that observing this slope over time can be used as an early-warning system as it would predict the build-up of the number of cases 20 days in advance with an accuracy of 82% (10th percentile) or 98% (25th quartile)...
Epidemiological surveillance of tick populations: a model to predict the colonization success of Ixodes ricinus (Acari:Ixodidae)A Estrada-Pena
Unidad de Parasitologia, Facultad de Veterinaria, Zaragoza, Spain
Eur J Epidemiol 13:573-80. 1997..Because the high accuracy of this inference tool, it could be used to map favourable sites for this tick in the epidemiological lookout of the Ixodes ricinus borne diseases...
Abnormal development of Rhipicephalus sanguineus (Ixodidae)A Estrada-Pena
Facultad de Veterinaria, Unidad de Parasitologia, Zaragoza, Spain
Exp Appl Acarol 25:757-61. 2001..One female was a heart-shaped specimen. with both body halves fused along a longitudinal axes, with four spiracular plates and two anal pores...
Climate change decreases habitat suitability for some tick species (Acari: Ixodidae) in South AfricaA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet, 177 50013 Zaragoza, Spain
Onderstepoort J Vet Res 70:79-93. 2003..The effect of climate warming on the habitat range of these ticks is considered in the light of economically sound control measures over an ecological background...
Forecasting habitat suitability for ticks and prevention of tick-borne diseasesA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet, 177, 50013, Zaragoza, Spain
Vet Parasitol 98:111-32. 2001..Furthermore, models can be linked to these predictive maps, enabling the forecast of spatial and temporal dynamics of ticks, looking for seasonal patterns of activity and accurate use of acaricide treatments...
Geostatistics and remote sensing using NOAA-AVHRR satellite imagery as predictive tools in tick distribution and habitat suitability estimations for Boophilus microplus (Acari: Ixodidae) in South America. National Oceanographic and Atmosphere AdministratiA Estrada-Pena
Unidad de Parasitologia, Facultad de Veterinaria, Zaragoza, Spain
Vet Parasitol 81:73-82. 1999..microplus. It can be also used to prepare eradication campaigns or to make predictions about the effects of global change on the distribution of the parasite...
Ticks feeding on humans: a review of records on human-biting Ixodoidea with special reference to pathogen transmissionA Estrada-Pena
Departamento de Parasitologia, Facultad de Veterinaria, Miguel Servet, Zaragoza, Spain
Exp Appl Acarol 23:685-715. 1999..Finally, despite the fact that most people who are bitten destroy the offending tick in disgust, it is recommended that they preserve specimens in ethanol for taxonomic identification and detection of pathogens by molecular methods...
High-resolution predictive mapping for Boophilus annulatus and B. microplus (Acari: Ixodidae) in Mexico and Southern TexasA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet 177, 50013 Zaragoza, Spain
Vet Parasitol 142:350-8. 2006..Results from the computation are then compared with actual data on tick outbreaks at the Texas-Mexico border, as a test of the agreement between actual tick captures and abundance model predictions...
Notes on New World Persicargas ticks (Acari: Argasidae) with description of female Argas (P.) keiransiA Estrada-Pena
Department of Parasitology, Veterinary Faculty, 50013 Zaragoza, Spain
J Med Entomol 43:801-9. 2006..keiransi has been obtained, and an analysis of the phylogenetic relationships with other ticks is included. Phylogenetic analysis provides support for a Persicargas grouping of species, separated from species in Argas...
Argas (Persicargas) keiransi n. sp. (Acari: Argasidae), a parasite of the Chimango, Milvago c. chimango (Aves: Falconiformes) in ChileA Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
J Med Entomol 40:766-9. 2003..However, it is unique in having a dorsal plate "V" or "U" shaped, with the anterior end open, without the typical reticulated pattern present in the remaining species of the genus...
Changes in climate and habitat suitability for the cattle tick Boophilus microplus in its southern Neotropical distribution rangeA Estrada-Pena
Department ofParasitology, Veterinary Faculty, Miguel Servet 177, 50013 Zaragoza, Spain
J Vector Ecol 31:158-67. 2006..Results from the life cycle model suggest that in areas of suitable habitat, permanent cattle tick populations are most probable if engorged females are introduced during mid-summer...
The tick Ixodes ricinus: distribution and climate preferences in the western PalaearcticA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Zaragoza, Spain
Med Vet Entomol 20:189-97. 2006....
Phenology of the tick, Ixodes ricinus, in its southern distribution range (central Spain)A Estrada-Pena
Department of Parasitology, Veterinary Faculty, Zaragoza, Spain
Med Vet Entomol 18:387-97. 2004..According to drag captures and field-obtained development rates, interchange of nymphs between the two cohorts is common in this site, and seems to be influenced by the winter temperature and the date of larval engorgement...
The known distribution and ecological preferences of the tick subgenus Boophilus (Acari: Ixodidae) in Africa and Latin AmericaA Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, Miguel Servet, 177, 50013, Zaragoza, Spain
Exp Appl Acarol 38:219-35. 2006..decoloratus showed many different demes clearly associated to defined areas. The collections of Latin American B. microplus are very homogeneous according climate preferences and well separated from the African counterpart...
Species composition, distribution, and ecological preferences of the ticks of grazing sheep in north-central SpainA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Zaragoza, Spain
Med Vet Entomol 18:123-33. 2004..These patches of particular abiotic conditions, or supporting large host densities, may have been undetected at the resolution of the survey, thus obscuring the impact of the predictive variables...
Hosts and pathogen detection for immature stages of Ixodes ricinus (Acari: Ixodidae) in North-Central SpainA Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Miguel Servet, 177, 50013, Zaragoza, Spain
Exp Appl Acarol 37:257-68. 2005..Pathogens detected in these ticks included Babesia microti, Borrelia garinii, B. valaisiana and B. afzelii. Borrelia afzelii was detected in a tick that had apparently fed on a wild boar...
The distribution and ecological preferences of Boophilus microplus (Acari: Ixodidae) in MexicoA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet 177, 50013 Zaragoza, Spain
Exp Appl Acarol 38:307-16. 2006....
A survey of ticks (Acari: Ixodidae) on dairy cattle on the island of Menorca in SpainJ Castella
Department of Parasitology, Veterinary Faculty, Bellaterra, 06019, Barcelona, Spain
Exp Appl Acarol 25:899-908. 2001..The competence of the ticks as vectors for pathogens and the difficulty of using acaricide treatments in the region are discussed...
The distribution and ecological 'preferences' of the tick Amblyomma cajennense (Acari: Ixodidae), an ectoparasite of humans and other mammals in the AmericasA Estrada-Pena
Departamento de Parasitologia, Facultad de Veterinaria, Universidad de Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
Ann Trop Med Parasitol 98:283-92. 2004..The southern distribution of A. cajennense is mainly restricted by relatively low temperatures and not by low humidity...
Climate warming and changes in habitat suitability for Boophilus microplus (Acari: Ixodidae) in Central AmericaA Estrada-Pena
Unidad de Parasitologia, Facultad de Veterinaria, Miguel Servet, Zaragoza, Spain
J Parasitol 87:978-87. 2001..As the model is remotely sensed, a continuous update of the B. microplus distribution could be performed, assuring maximum efficiency in developing management strategies...
Using invaded range data to model the climate suitability for Amblyomma variegatum (Acari: Ixodidae) in the New WorldA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet, 177, 50013 Zaragoza, Spain
Exp Appl Acarol 41:203-14. 2007..Both possibilities have deep impact in our analyses, as the tick could find a larger zone for spreading into the New World...
The ornithodoros (Alectorobius) talaje species group (Acari: Ixodida: Argasidae): description of Ornithodoros (Alectorobius) rioplatensis n. sp. from southern South AmericaJ M Venzal
Department of Parasitology, Veterinary Faculty, University of the Republic, 11600 Montevideo, Uruguay
J Med Entomol 45:832-40. 2008..S. material as O. nr. talaje until further analysis of population variability is conducted using an adequate sample size...
The trend towards habitat fragmentation is the key factor driving the spread of Crimean-Congo haemorrhagic feverA Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, University of Zaragoza, Miguel Servet 177, Zaragoza, Spain
Epidemiol Infect 138:1194-203. 2010....
Efficacy of several anti-tick treatments to prevent the transmission of Rickettsia conorii under natural conditionsA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet 177, 50013 Zaragoza, Spain
Ann N Y Acad Sci 1078:506-8. 2006..Only Amitraz (Preventic) provided total control on transmission (no dogs were infected), whereas with Frontline, Advantix, or Scalibor, the rate of infection varied among the dogs...
Distribution, abundance, and habitat preferences of Ixodes ricinus (Acari: Ixodidae) in northern SpainA Estrada-Pena
Unidad de Parasitologia, Facultad de Veterinaria, Miguel Servet, Zaragoza, Spain
J Med Entomol 38:361-70. 2001....
A population model to describe the distribution and seasonal dynamics of the tick Hyalomma marginatum in the Mediterranean BasinA Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, Zaragoza, Spain Centro de Investigación en Sanidad Animal, CISA INIA, Valdeolmas, Madrid, Spain
Transbound Emerg Dis 58:213-23. 2011..These findings and future applications of the model in investigating the dynamics of pathogens potentially transmitted by H. marginatum are discussed...
Evidence of the importance of host habitat use in predicting the dilution effect of wild boar for deer exposure to Anaplasma sppAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, Zaragoza, Spain
PLoS ONE 3:e2999. 2008....
Climate, niche, ticks, and models: what they are and how we should interpret themAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Miguel Servet 177, 50013, Zaragoza, Spain
Parasitol Res 103:S87-95. 2008..I will further comment on already published observations about observed changes in the geographical range of ticks in parts of Europe...
Three new species of Antricola (Acari: Argasidae) from Brazil, with a key to the known species in the genusAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Miguel Servet 177, Zaragoza, Zaragoza 50013, Spain
J Parasitol 90:490-8. 2004..The collection of these new species in Brazilian caves greatly expands the known range of the genus. A key to the adults of all known species of the genus is provided...
A GIS framework for the assessment of tick impact on human health in a changing climateAgustin Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, University of Zaragoza, Zaragoza, Spain
Geospat Health 1:157-68. 2007..The cost is evaluated as a function of land use and tick habitat suitability in a buffer zone surrounding each geographic division. All indices proposed have been obtained by search of common and/or publicly available data sets...
Climate changes and suitability for the ticks Amblyomma hebraeum and Amblyomma variegatum (Ixodidae) in Zimbabwe (1974-1999)Agustin Estrada-Pena
Faculty of Veterinary Medicine, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
Vet Parasitol 151:256-67. 2008..variegatum. Without adequate control measures, invasive waves of A. hebraeum may occur over a background swell of northward expansion...
Detection of Alpha and Gamma-Proteobacteria in Amblyomma triste (Acari: Ixodidae) from UruguayJose Manuel Venzal
Departamento de Parasitología Veterinaria, Facultad de Veterinaria, Universidad de la Republica, Av Alberto Lasplaces 1620, 11600 Montevideo, Uruguay
Exp Appl Acarol 44:49-56. 2008..Also, in two of 17 positive samples a Gamma-Proteobacterium related to Francisella-like organisms was detected...
Modeling the spatial distribution of crimean-congo hemorrhagic fever outbreaks in TurkeyAgustin Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, University of Zaragoza, Zaragoza, Spain
Vector Borne Zoonotic Dis 7:667-78. 2007..05) with zones of high climate suitability for the tick together with a high rate of fragmentation of agricultural land interspersed between forest and shrub-type vegetation...
Climate niches of tick species in the Mediterranean region: modeling of occurrence data, distributional constraints, and impact of climate changeAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Spain
J Med Entomol 44:1130-8. 2007..These results outline the need to further investigate the potential of bioclimate models to obtain accurate estimations of tick species turnover under conditions of climate change over wide areas...
Prediction of habitat suitability for ticksAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, Miguel Servet, 177, 50013 Zaragoza, Spain
Ann N Y Acad Sci 1078:275-84. 2006..Some examples, developed using different methods, are provided for the Mediterranean region and part of the U.S., together with an overview of the performance of these models...
The distribution of ticks (Acari: Ixodidae) of domestic livestock in PortugalAgustin Estrada-Pena
Department of Parasitology, Veterinary Faculty, 50013 Zaragoza, Spain
Exp Appl Acarol 36:233-46. 2005..ricinus has been collected. CART models are able to map the distribution of these ticks with accuracy ranging within 75.3 and 96.4% of actual positive sites...
An assessment of the effect of data partitioning on the performance of modelling algorithms for habitat suitability for ticksA Estrada-Pena
Department of Parasitology, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain
Med Vet Entomol 22:248-57. 2008..The use of this methodology greatly improves the performance of climate suitability models...
Observations on Antricola ticks: small nymphs feed on mammalian hosts and have a salivary gland structure similar to ixodid ticksA Estrada-Pena
Department of Parasitology, Veterinary Faculty, Zaragoza, Spain
J Parasitol 94:953-5. 2008..All stages of A. delacruzi had a similar gut structure, consisting of digestive cells in the basal portion that contained hematin granules. Neither regenerative nor secretory cell traces were observed in the sections of gut...
Factors driving the circulation and possible expansion of Crimean-Congo haemorrhagic fever virus in the western PalearcticA Estrada-Pena
Department of Parasitology, Faculty of Veterinary Medicine, University of Zaragoza, Zaragoza, Spain
J Appl Microbiol 114:278-86. 2013..To produce a spatial risk map regarding spread of Crimean-Congo haemorrhagic fever virus (CCHFV) in the western Palearctic by linking a process-driven model of the main tick vector, Hyalomma marginatum, to a Next Generation Matrix...
