Skip to main content


APRD Survey

Dear Users:

We value your contribution to and use of the Arthropod Pesticide Resistance Database (APRD).

The APRD Team is conducting a Survey to gauge users experiences, our objective is to determine how the database enhances research, and to allow for users to provide feedback, suggestions and requests for potential improvements. Please take the anonymous survey using this link: Link to Survey

Thank you for your Participation,
David Mota-Sanchez
Arthropod Resistance Database Director


Reported Resistance Case(s)

Species: phenacoccus solenopsis

Order Family Common Name(s) Group Host
homoptera pseudococcidae cotton mealybug AG cotton, ornamentals, vegetable crops

Active Ingredient: chlorfenapyr

MOA: Uncoupler of oxidative phosphorylation via disruption of proton gradient, Chlorfenapyr, DNOC, Sulfluramid
Group: PYZ CAS #: 122453-73-0 Shaugnessy Code: 129093

Resistance Case(s)

Case Id Year of Report Type of Resistance Location Reference
G20784 2020
Lab selected*

Pakistan--
Punjab--
Multan
Nazar, M. Z., Freed, S., Hussain, S., Sumra, M. W., Sha, M. S., and Naeem, S. (2020). Characteristics of biochemical resistance mechanism of novel insecticides in Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae). Crop Protection, 138.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.