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: tychius picirostris

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	clover seed weevil	AG	clover

Active Ingredient: DDT

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: OCL	CAS #: 50293	Shaugnessy Code: 29201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G620	1965	Field Evolved Resistance	USA-- Idaho	Johansen, C. (1965). Bee poisoning versus clover seed weevil control in white dutch clover grown for seed.. J. Econ. Entomol., 58 857-63.
G450	1974	Field Evolved Resistance	USA-- Washington	Anon. 1974g. (1974).

*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.

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