Behavior and ecology of Boophilus microplus tick larvae in Brachiaria decumbens pastures

Authors

  • John Furlong Embrapa Gado de Leite, Juiz de Fora, MG
  • Ana Carolina de Souza Chagas Universidade Federal de Minas Gerais
  • Cristiane Barbuda Nascimento

DOI:

https://doi.org/10.1590/S1413-95962002000400009

Keywords:

Boophilus microplus, Larvae, Behavior, Ecology, Tick

Abstract

Relatively little research has been carried out on the behavioral ecology of B. microplus larvae in pasture, this being the principal objective of the current work. Six releases were made in winter (June-August, 1998) and in summer (November-January, 1998/1999). The tick larvae were laboratory reared in 20 adapted plastic syringes. Its were opened and placed in pastures of Brachiaria decumbens, at the research center of the Embrapa Gado de Leite, in Juiz de Fora city, Minas Gerais estate, Brazil. The larvae were observed three times per day, three days per week. The time taken for the larvae to reach the extremities of the grass was mainly related to the air temperature. In summer, the larvae formed smaller and less active aggregations than in winter. This behavior was considered to be a mechanism to avoid overheating and increase ventilation to save energy. Their horizontal and vertical migrations were considered a behavioral strategy to avoid the direct rays of the sun.

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Published

2002-01-01

Issue

Section

UNDEFINIED

How to Cite

1.
Furlong J, Chagas AC de S, Nascimento CB. Behavior and ecology of Boophilus microplus tick larvae in Brachiaria decumbens pastures. Braz. J. Vet. Res. Anim. Sci. [Internet]. 2002 Jan. 1 [cited 2024 Apr. 14];39(4):213-7. Available from: https://www.revistas.usp.br/bjvras/article/view/5969