Results 31 to 40 of about 9,556 (254)

Meteorological indicators for Amblyomma cajennense and population dynamics in the Tamaulipan Biotic Province in Texas [PDF]

open access: bronzeJournal of Vector Ecology, 2011
We studied the population dynamics of free-living ticks in the Tamaulipan Biotic Province in south Texas from March, 2005 to November, 2008. We collected 70,873 ticks using carbon dioxide traps. Amblyomma cajennense represented 93.6% of the ticks identified. A.
David L. Beck   +3 more
openalex   +4 more sources

Modelos potenciales de distribución geográfica y climática del complejo Amblyomma cajennense (Acari: Ixodidae), potencial vector de Rickettsia rickettsii en Colombia

open access: diamondBiomedica : revista del Instituto Nacional de Salud, 2018
Introducción. Las especies del complejo Amblyomma cajennense, potenciales vectores implicados en la transmisión de Rickettsia rickettsii en Centroamérica y Suramérica, presentan una amplia distribución geográfica en el neotrópico. En Colombia, todavía es
Leidy Y. Acevedo-Gutiérrez   +4 more
openalex   +3 more sources

Bats used as hosts by Amblyomma sculptum (Acari: Ixodidae) in Northeastern Brazil and its implications on tick-borne diseases [PDF]

open access: yesZoologia (Curitiba), 2020
Amblyomma Koch, 1844 is distributed worldwide, with ca. 130 species currently recognized. These ticks are vectors of pathogens to animals and humans, including the causative agent of the New World Rocky Mountain spotted fever ...
Roberto Leonan M. Novaes   +4 more
doaj   +3 more sources

A new Factor Xa inhibitor from Amblyomma cajennense with a unique domain composition

open access: hybridArchives of Biochemistry and Biophysics, 2009
Bioactive compounds of great interest are found in the saliva of hematophagous organisms. While exploring a cDNA library derived from the salivary glands of the tick Amblyomma cajennense, a transcript that codes for a protein with unique structure (containing an N-terminal Kunitz-type domain and a C-terminus with no homology to any annotated sequences)
Isabel de Fátima Correia Batista   +5 more
openalex   +4 more sources

Morphological alterations in the ovaries of Amblyomma cajennense semi‐engorged ticks exposed to ethanolic extract of Acmella oleracea [PDF]

open access: greenMicroscopy research and technique (Print), 2018
The present study analyzed the effects of different concentrations of Acmella oleracea crude ethanolic extract (EEAO) on the development of germ cells from semi‐engorged Amblyomma cajennense females in order to evaluate the potential of this natural ...
Luís Adriano Anholeto   +5 more
openalex   +2 more sources

Controle estratégico do carrapato Amblyomma cajennense em eqüinos [PDF]

open access: goldCiência Rural, 2004
Avaliou-se quantitativamente as infestações por adultos de Amblyomma cajennense em eqüinos mantidos sob infestações naturais em uma pastagem (pastagem 1), antes e após o uso de tratamentos carrapaticidas. Os tratamentos foram aplicados nos eqüinos a cada sete dias durante os períodos de predomínio das larvas e ninfas do carrapato, no Estado de São ...
Marcelo B. Labruna   +4 more
openalex   +6 more sources

Rickettsia amblyommatis infecting ticks and exposure of domestic dogs to Rickettsia spp. in an Amazon-Cerrado transition region of northeastern Brazil. [PDF]

open access: yesPLoS ONE, 2017
This study was performed in Maranhão state, a transition area two Brazilian biomes, Amazon and Cerrado. During 2011-2013, 1,560 domestic dogs were sampled for collection of serum blood samples and ticks in eight counties (3 within the Amazon and 5 within
Francisco B Costa   +7 more
doaj   +1 more source

Baseline susceptibility of Haemaphysalis longicornis to organophosphate, carbamate, and pyrethroid acaricides

open access: yesPest Management Science, Volume 79, Issue 11, Page 4328-4334, November 2023., 2023
The baseline susceptibility of Haemaphysalis longicornis to organophosphate, carbamate and pyrethroid acaricides was calculated using a larval package approach. Results indicate that the Asian longhorned tick is susceptible to pyrethroids, coumaphos and carbamates, and should also be effective for controlling H. longicornis.
Matthew Bickerton   +3 more
wiley   +1 more source

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