Resistance profile for Amitraz

Resistance Summary
Resistance Factor (RF):
RF = LC50 (field isolate) / LC50 (susceptible isolate)
Resistance Level (RL):
Level RF Range
Susceptible (S)< 1.4
I1.5 – 5
II5.1 – 25
III26 – 40
IV> 41
Reference DOI: 10.1016/j.vetpar.2011.04.030

Note: Resistance factor (RF) thresholds are based on published studies and may vary across systems. LC50 of susceptible isolates is not location-specific and therefore not directly comparable across studies.
Species Stage State District Area Test Type LC50 Unit Resistance Factor Level Reference
Hyalomma anatolicum Larvae Gujarat Banaskantha Jethi Larval packet test 1529.39 ppm 12.23 II 26345072
Rhipicephalus microplus Larvae Punjab Moga Larval packet test 16.95 ppm 4.73 I 33074150
Rhipicephalus microplus Larvae Punjab Rupnagar Larval packet test 1.26 ppm 0.36 S 33074150
Rhipicephalus microplus Larvae Punjab SAS Nagar Larval packet test 8.56 ppm 0.84 S 33074150
Rhipicephalus microplus Larvae Punjab SBS Nagar Larval packet test 7.2 ppm 2.82 I 33074150
Rhipicephalus microplus Larvae Punjab Sangrur Larval packet test 15 ppm 1.48 S 33074150
Rhipicephalus microplus Larvae Punjab Tarn Taran Larval packet test 25.67 ppm 3.07 I 33074150
Rhipicephalus microplus Larvae Punjab Amritsar Larval packet test 16.86 ppm 1.5 I 33074150
Rhipicephalus microplus Larvae Punjab Barnala Larval packet test 11.52 ppm 4.85 I 33074150
Rhipicephalus microplus Larvae Punjab Bathinda Larval packet test 6.48 ppm 1.19 S 33074150
Rhipicephalus microplus Larvae Punjab Faridkot Larval packet test 40.92 ppm 3.64 I 33074150
Rhipicephalus microplus Larvae Punjab Fatehgarh Sahib Larval packet test 16.67 ppm 2.12 I 33074150
Rhipicephalus microplus Larvae Punjab Ferozepur Larval packet test 1.96 ppm 0.89 S 33074150
Rhipicephalus microplus Larvae Punjab Gurdaspur Larval packet test 17.75 ppm 0.86 S 33074150
Rhipicephalus microplus Larvae Punjab Hoshiarpur Larval packet test 4.54 ppm 1.71 I 33074150
Rhipicephalus microplus Larvae Punjab Jalandhar Larval packet test 3.04 ppm 1.01 S 33074150
Rhipicephalus microplus Larvae Punjab Kapurthala Larval packet test 37.19 ppm 3.96 I 33074150
Rhipicephalus microplus Larvae Punjab Ludhiana Larval packet test 19.68 ppm 4.66 I 33074150
Rhipicephalus microplus Larvae Punjab Mansa Larval packet test 2.04 ppm 0.73 S 33074150
Rhipicephalus microplus Adult Jammu and Kashmir Jammu Adult immersion test 69.5 ppm 2.53 I 28251410
Rhipicephalus microplus Adult Jammu and Kashmir Samba Adult immersion test 61.7 ppm 2.24 I 28251410
Rhipicephalus microplus Adult Jammu and Kashmir Rajouri Adult immersion test 27.5 ppm 1 S 28251410
Rhipicephalus microplus Adult Jammu and Kashmir Udhampur Adult immersion test 77.4 ppm 2.81 I 28251410
Rhipicephalus microplus Adult Gujarat Banaskantha Adult immersion test 3098.2 ppm 24.78 II 25698859
Rhipicephalus microplus Adult Uttar Pradesh Raebareli Adult immersion test 1917.4 ppm 11.6 II 24659517
Rhipicephalus microplus Adult Bihar Begusarai Adult immersion test 825.1 ppm 5 I 24659517
Rhipicephalus microplus Adult Bihar Darbhanga Adult immersion test 1815.7 ppm 11 II 24659517
Rhipicephalus microplus Adult Punjab Muktsar Adult immersion test 2066.8 ppm 12.5 II 24659517
Rhipicephalus microplus Adult West Bengal Cooch Behar Adult immersion test 1929.1 ppm 11.7 II 24659517
Rhipicephalus microplus Adult Punjab Bathinda Adult immersion test 401.1 ppm 2.4 I 24659517
Rhipicephalus microplus Adult Rajasthan Sikar Adult immersion test 4501.2 ppm 27.3 III 24659517
Rhipicephalus microplus Adult Rajasthan Jaipur Adult immersion test 3847.7 ppm 23.3 II 24659517
Rhipicephalus microplus Adult Rajasthan Alwar Adult immersion test 1537.5 ppm 9.3 II 24659517
Rhipicephalus microplus Adult West Bengal Nadia Adult immersion test 99.7 ppm 0.6 S 24659517
Rhipicephalus microplus Adult West Bengal North 24 Parganas Adult immersion test 255.8 ppm 1.56 I 24659517
Rhipicephalus sanguineus Larvae Kerala Thrissur Mannuthy Larval packet test 2497 ppm 18.95 II 38704016
Rhipicephalus sanguineus Larvae Kerala Thrissur Kalathode Larval packet test 4358 ppm 33.09 III 38704016
Rhipicephalus sanguineus Larvae Kerala Palakkad Mundur Larval packet test 939.8 ppm 7.13 II 38704016
Rhipicephalus sanguineus Larvae Kerala Thrissur Paravattani Larval packet test 1899 ppm 14.41 II 38704016
Rhipicephalus sanguineus Larvae Kerala Thrissur Mannuthy Larval packet test 5052 ppm 38.35 III 38704016
Rhipicephalus sanguineus Larvae Kerala Thrissur Mannuthy Larval packet test 3210 ppm 24.37 II 38704016
DISCLAIMER

TickMapKB is a database of tick species, their distribution, and associated data, compiled from published literature and publicly available sources. The authors are not liable for any inaccuracies or omissions in this resource. This database is intended to support research on tick ecology and distribution and does not necessarily reflect the views or objectives of the authors’ affiliated institutions or funders.