Reported Resistance Case(s)

Species: blattella germanica

Order	Family	Common Name(s)	Group	Host
blattodea	blattellidae	german cockroach	MED

Active Ingredient: fipronil

MOA: GABA-gated chloride channel antagonists, Phenylpyrazoles (Fiproles)
Group: PYZ	CAS #: 120068-37-3	Shaugnessy Code: 129121

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G22196	2023	Field Evolved Resistance	Thailand-- Pathumwan	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G22197	2023	Field Evolved Resistance	Thailand-- Rattanathibet-- Nonthaburi	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G22198	2023	Field Evolved Resistance	Thailand-- Nonthaburi-- Muangthong Thani	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G22199	2023	Field Evolved Resistance	Thailand-- Nonthaburi-- Muangthong Thani	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G22200	2023	Field Evolved Resistance	Thailand-- Bangkok-- Thonglor	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G22201	2023	Field Evolved Resistance	Thailand-- Ayutthaya-- Phra Nakhon Si	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G22202	2023	Field Evolved Resistance	Thailand-- Samut Prakan-- Phra Nakhon Si	Tisgratog, R., Panyafeang, C., Lee, S. H., Rust, M. K., & Lee, C. Y. (2023). Insecticide resistance and its potential mechanisms in field-collected German cockroaches (Blattodea: Ectobiidae) from Thailand.. Journal of economic entomology, 116.
G21404	2022	Field Evolved Resistance	USA-- California	Shao-Hung Lee, Dong-Hwan Choe, Michael K Rust, and Chow-Yang Lee. (2022). Reduced Susceptibility Towards Commercial Bait Insecticides in Field German Cockroach (Blattodea: Ectobiidae) Populations From California. Journal of Economic Entomology, 115.
G7084	2003	Unspecified	USA-- North Carolina-- Cental, southeaster, northeastern	Holbrook, G.L, J. Roebuck, C.B. Moore, M.G. Waldvogel, and C. Schal. (2003). Origin and Extent of Resistance to Fipronel in the German Cockroach, Blattella germanica (L.) (Dictyoptera: Blattellidae). Journal of Economic Entomology, 96(5) 1548-1558.
G7448	2004	Field Evolved Resistance	USA-- Ohio-- Cincinnati	Wang, Changlu, Scharf, Michael E., and Bennett, Gary W. (2004). Behavioral and Physiological Resistance of German Cockroach to Gel baits (Blattodea: Blattellidae). Journal of Economic Entomology, 97(6) 2067-2072.

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