Biological aspects of Amblyomma brasiliense (Acari: Ixodidae) under laboratory conditions

Experimental & Applied Acarology
Gustavo S SanchesMatias Pablo J Szabó

Abstract

Although Amblyomma brasiliense Aragão 1908 has been reported as one of the most aggressive ticks to humans in Brazil, information about the biology of this tick species is virtually inexistent. This work reports data on the life cycle of A. brasiliense fed on rabbits and pigs and maintained in an incubator at 20 degrees C, 90% RH and 12 h of light for off-host development. Tick yield of adult females fed on pigs and rabbits was 81.2% and 58.3%, respectively. Females fed on pigs had mean engorgement weight of 862.3 mg and egg mass of 208 mg, while females fed on rabbits had mean engorgement weight of 606.1 mg and egg mass of 160 mg; these values did not differ statistically between host species. Feeding period of female ticks fed on pigs (10 days) was significantly shorter than that on rabbits (17 days). Mean preoviposition period was slightly longer (35.9 days) for ticks fed on pigs than on rabbits (30 days). The minimum incubation period of eggs of ticks from both host species was similar and over 100 days. Egg production efficiency was low for females fed on both hosts (less than 30% and 20% for ticks from pigs and rabbits, respectively). More than 55% of larvae and 79% of nymphs fed on rabbits, set free inside the feeding ch...Continue Reading

References

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Citations

Jan 9, 2009·Experimental & Applied Acarology·Matias Pablo J SzabóMarcelo B Labruna
Jun 26, 2009·Experimental & Applied Acarology·João Luiz H FacciniDarci M Barros-Battesti
Sep 8, 2012·Bulletin of Entomological Research·S Nava, A A Guglielmone
Mar 18, 2016·Experimental & Applied Acarology·K O BandaranayakaR S Rajakaruna
Sep 22, 2016·Experimental & Applied Acarology·Michael L Levin, Lauren B M Schumacher
Feb 6, 2016·Experimental & Applied Acarology·K O BandaranayakaR S Rajakaruna
May 31, 2019·PLoS Neglected Tropical Diseases·Louise B KmetiukAlexander W Biondo
Apr 12, 2018·Revista brasileira de parasitologia veterinária = Brazilian journal of veterinary parasitology : Órgão Oficial do Colégio Brasileiro de Parasitologia Veterinária·André de Abreu Rangel AguirreRenato Andreotti

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