Biology and life cycle of Amblyomma incisum (Acari: Ixodidae)

Szabó, Matías Pablo Juan; Pereira, Lucas de Freitas; Castro, Márcio Botelho de; Garcia, Marcos Valério; Sanches, Gustavo Seron; Labruna, Marcelo B.

doi:10.1007/s10493-008-9234-y

Cited by 17 publications

(8 citation statements)

References 16 publications

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“…Even though some of them can infect and kill these vectors, others might be related to the inhibition of pathogenic ones. Such situation seems to have occurred in experiments with Amblyomma incisum (SZABÓ et al, 2009). These authors observed that if maintained in incubators at highly humid conditions, similar to the ones found in their natural settings, engorged female ticks were soon fungus covered and died without ovipositing.…”

Section: Contentmentioning

confidence: 90%

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Microorganisms contaminating ticks collected at natural reserves or wild animals

et al. 2015

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This work investigated microorganisms responsible for the contamination and death of ticks from natural reserves and wild animals and later kept in the Laboratory of Ixodology in the Veterinary School of the Federal University of Uberlândia. Such investigation aimed prevention of tick death in the laboratory but also search for microorganisms to be used in the biological control of ticks. From four tick samples of Amblyomma genus, the following agents were isolated: Staphylococus sp, Gram positive bacillus, filamentous fungi of the genera Aspergillus and Penicillium, and a yeast identified as Non-albicans Candida and Cryptococcus sp. Even though the source of contamination of these ticks is uncertain, this study displayed the necessity of to better evaluating the spread of pathogens by ticks, as well as those known to be transmitted solely during tick feeding.

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Section: Contentmentioning

confidence: 90%

“…In nature, microorganisms participate of tick control in the environment during the long off-host periods (SZABÓ et al, 2009). For this reason it is possible to suppose that a few of these microorganisms could be used as new biological control agents against ticks.…”

Section: Introductionmentioning

confidence: 99%

Microorganisms contaminating ticks collected at natural reserves or wild animals

et al. 2015

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“…Comparisons of biological parameters across the life stages of Amblyomma reared in the laboratory show the complex adaptations associated with a three-host life cycle, which may be affected by biotic and abiotic factors (Szabó et al 2009).…”

Section: Discussionmentioning

confidence: 99%

Life cycle of Amblyomma mixtum (Acari: Ixodidae) parasitizing different hosts under laboratory conditions

et al. 2017

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Amblyomma mixtum is a tick species in the Amblyomma cajennense complex. The known geographic range of A. mixtum extends from Texas in the USA to western Ecuador and some islands in the Caribbean. Amblyomma mixtum is a vector of disease agents of veterinary and public health importance. The objective of this study was to describe the life cycle of A. mixtum under laboratory conditions. Bovines, rabbits and sheep were infested with larvae, nymphs, and adult ticks under controlled conditions to assess several biological parameters. Eggs, larvae, nymphs and adults were kept in an incubator (27 °C temperature and 80% relative humidity) when they were off the host. The average life cycle of A. mixtum was 88 and 79 days when fed on rabbits and cattle, respectively. Sheep were found to be unsuitable because no ticks attached. The rabbit is a more practical host to maintain a colony of A. mixtum under laboratory conditions. The data from this study can be considered as an example for the life cycle of A. mixtum. However, caution must be exercised when making comparisons to the biology of A. mixtum in its natural habitat.

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“…Randolph (2004) pointed out that these factors and others such as seasonality, search time to find a host, and mortality, influence the life cycle. In this study, a temperature of 27±1 °C and relative humidity of 80±10% were used to raise A. nodosum, since these values are used to breed most Neotropical ticks (Amblyomma parvum Aragão 1908-GUGLIELMONE et al, 1991OLEGÁRIO et al, 2011;Amblyomma aureolatum -RODRIGUES et al, 2002;Amblyomma tigrinum Koch 1844-LABRUNA et al, 2002bCARDOSO et al, 2008;Amblyomma triste -LABRUNA et al, 2003;Amblyomma cooperi Nuttal;Warburton, 1908Amblyomma incisum Neumann, 1906-SZABÓ et al, 2009 -FACCINI et al, 2010;and Amblyomma ovale -MARTINS et al, 2012). However, other values for these variables may be tested to determine the best conditions for the development of this species.…”

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confidence: 99%

Amblyomma nodosum (Neumann, 1899): observations on life cycle under laboratory conditions

Pinheiro

Lourenço

Sá-Hungaro

et al. 2015

Rev. Bras. Parasitol. Vet.

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The natural hosts of Amblyomma nodosum in the immature stages are a variety of birds and the anteater in the adult stage. However, so far no data have been published about this tick's life cycle. To fill this gap, a record was made of its development under laboratory conditions. All the procedures were controlled in a BOD chamber set at 27±1 °C and 80±10% relative humidity and scotophase. The parasitic stages were raised on rabbits (Oryctolagus cuniculus Linnaeus, 1758), from which more than 50% of larvae and nymphs were recovered, although only a small portion performed ecdysis. The adults did not fixed on the rabbits, which suggests that the experimental conditions were unsuitable for the requirements of this species. The data obtained here indicate that A. nodosum is highly dependent on its host and environment whereas under laboratory conditions and host chosen for the study was not obtained satisfactory results and new studies with different hosts and new environmental conditions should be elaborated.Keywords: Tick, host, biology, Brazil, Amblyomma nodosum. ResumoOs hospedeiros naturais de Amblyomma nodosum, nos estágios imaturos, são uma variedade de pássaros e, na fase adulta, são os tamanduás. No entanto, até agora não há dados publicados sobre o ciclo de vida desse carrapato. Para preencher essa lacuna, um registro foi realizado sobre o desenvolvimento em condições de laboratório. Todos os procedimentos foram controlados em câmaras tipo BOD a 27±1 °C e 80±10% de umidade relativa e escotofase. As fases parasitárias foram desenvolvidas em coelhos (Oryctolagus cuniculus Linnaeus, 1758), a partir dos quais mais de 50% das larvas e ninfas foram recuperados, embora apenas uma pequena porção tenha realizado ecdise. Os adultos não se fixaram nos coelhos, o que sugere que as condições experimentais eram inadequadas para os requisitos dessa espécie. Os dados obtidos indicam que A. nodosum é altamente dependente de seu hospedeiro e ambiente, enquanto em condições de laboratório e pela escolha do hospedeiro para o estudo não foram obtidos resultados satisfatórios, e novos estudos com diferentes hospedeiros e novas condições ambientais devem ser elaborados.Palavras-chave: Carrapato, hospedeiro, biologia, Brasil, Amblyomma nodosum.

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Biology and life cycle of Amblyomma incisum (Acari: Ixodidae)

Cited by 17 publications

References 16 publications

Microorganisms contaminating ticks collected at natural reserves or wild animals

Microorganisms contaminating ticks collected at natural reserves or wild animals

Life cycle of Amblyomma mixtum (Acari: Ixodidae) parasitizing different hosts under laboratory conditions

Amblyomma nodosum (Neumann, 1899): observations on life cycle under laboratory conditions

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