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Ziapour, Seyyed Payman, Kheiri, Sadegh, Fazeli-Dinan, Mahmoud, Sahraei-Rostami, Farzaneh, Mohammadpour, Reza Ali, Aarabi, Mohsen, Nikookar, Seyed Hassan, Sarafrazi, Mohammad, Asgarian, Fatemeh, Enayati, Ahmadali and Hemingway, Janet 
ORCID: https://orcid.org/0000-0002-3200-7173
(2017)
'Pyrethroid resistance in Iranian field populations of Rhipicephalus (Boophilus) annulatus.'. Pesticide Biochemistry and Physiology, Vol 136, pp. 70-79.
Abstract
Resistance to acaricides in ticks is becoming increasingly widespread throughout the world; therefore, tick control requires resistance monitoring for each tick species. The aims of this study were to monitor the susceptibility status of the cattle tick, Rhipicephalus (Boophilus) annulatus (Acari: Ixodidae), against pyrethroid acaricides from Mazandaran Province, northern Iran, and where resistance was evident, and establish the possible underlying mechanisms. Fully engorged adult R. (B.) annulatus females collected on cattle from Mazandaran Province. Twenty-nine tick populations produced 10–18 days old larvae and bioassayed with cypermethrin and λ-cyhalothrin by larval packet test and the levels of detoxification enzymes were measured. Population AM-29 had a maximum resistance ratio (RR99) of 20.21 to cypermethrin and 53.57% of the tick populations were resistant at LC99 level. With λ-cyhalothrin, 17.86% of the tick populations were resistant and AM-29 was the most resistant population with RR99 = 4.54. AM-29 also showed significant elevation of cytochrome P450 monooxygenase (P450) and glutathione S-transferase (GST) (2.76- and 2.39-fold, respectively) (P < 0.001). Rhipicephalus (Boophilus) annulatus showed resistance to pyrethroid insecticides with elevated levels of P450, GST and para-nitrophenyl acetate (p-NPA) in resistant populations. Operational failure was noted in controlling R. (B.) annulatus by pyrethroid insecticides, therefore alternative pest management measures should be adopted in Iran. For the first time, a new estimate of insecticide resistance based on effective dose recommended by the pesticide manufacturer termed Operational Dose Ratio (ODR) is defined and discussed.
| Item Type: | Article |
|---|---|
| Subjects: | QX Parasitology > Arthropods > QX 473 Acari QX Parasitology > Arthropods > QX 479 Ticks QX Parasitology > Insects. Other Parasites > QX 600 Insect control. Tick control |
| Faculty: Department: | Biological Sciences > Vector Biology Department |
| Digital Object Identifer (DOI): | https://doi.org/10.1016/j.pestbp.2016.08.001 |
| SWORD Depositor: | JISC Pubrouter |
| Depositing User: | JISC Pubrouter |
| Date Deposited: | 20 Apr 2017 10:12 |
| Last Modified: | 06 Feb 2018 13:14 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/6878 |
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