Evaluation of Bacillus thuringiensis pathogenicity for a strain of the tick, Rhipicephalus microplus
, resistant to chemical pesticides.
En bovinos, (Bos taurus) el ectoparasitismo generado por la garrapata (Rhipicephalus microplus
) (Latreille, 1806) (Arachnida: Ixodida, Ixodidae) produce efectos directos e indirectos en la sanidad y la productividad de estos hospedadores, algunos de los cuales pueden ser muy intensos de manera que su control requiere medidas mas fuertes y continuas.
Virulence of Isaria sp.and Purpureocillium lilacinum to Rhipicephalus microplus
tick under laboratory conditions.
Novato et al., "Acaricidal activity of essential oil of Syzygium aromaticum, hydrolate and eugenol formulated or free on larvae and engorged females of Rhipicephalus microplus
," Medical and Veterinary Entomology, 2017.
Cattle breeds and their level of resistance to specific tick species Cattle breeds Level of Tick species References resistance Nguni compared to High Rhipicephalus decoloratus  Hereford & Brahman Zimbabiansanga High Amblyomma variegatum,  compared Rhipicephalus decoloratus to Nguni and Brahman Boran compared High Rhipicephalus microplus
 to Tulis Nguni compared to High Rhipicephalus  Bonsmara and appendiculatus Angus steers Nguni breed High Rhipicephalus  compared to appendiculatus, indigenous- Hyalomma species exotic crosses (non-descript cattle) Nguni cattle High Rhipicephalus microplus
 compared to Bonsmara Table 4.
Infections are mainly transmitted by Rhipicephalus microplus
and although most infections are subclinical, there can be fever and severe anemia resulting in production losses from decreased milk production and abortion.
Blank et al., "Acaricidal activity of essential oils from Lippia alba genotypes and its major components carvone, limonene, and citral against Rhipicephalus microplus
," Veterinary Parasitology, vol.
Reduced efficacy of comercial acaricides against populations of resistant cattle tick Rhipicephalus microplus
from two municipalities of Antioquia, Colombia.
To avoid misunderstanding and disbelief among researchers concerning name changes, Boophilus was retained as a subgeneric epithet, and Boophilus microplus became Rhipicephalus (Boophilus) microplus (GUGLIELMONE et al., 2010) or Rhipicephalus microplus
Primary embryonic cells of Rhipicephalus microplus
and Amblyomma cajennense ticks as a substrate for the development of Borrelia burgdorferi (strain G39/40).
Camargo GM, Golo SP, Angelo CI, Perinotto MSW, Sa AF, Quinelato S, Bittencourt REPV (2012) Effect of oil-based formulations of acaripathogenic fungi to control Rhipicephalus microplus
ticks under laboratory conditions.