title: [Status of resistance to insecticides in field strains of the Blatella germanica species (Dictyoptera: Blattellidae) from Pinar del Río municipality].
abstract: A study of the levels of resistance to 10 insecticides: 4 organophosphate compounds (malathion, clorpirifos, methylpyrimifos and diazinon), 2 carbamates (propoxur and bendiocarb) and 4 pyrethroids (cypermethrin, deltamethrin, lamdacyhalothrin and cyfluthrin) was conducted in 5 strains of Blatella germanica (Linnaeus, 1767) collected in the field of Pinar del Rio. High levels of resistance to bediocarb, cypermethrin and deltamethrin insecticides; low level of resistance to diazinon; from moderate to high resistance to methyl-pyrimifos, as well as susceptibility to one insecticide in each study group: clorpirifos (organophosphate), propoxur (carbamate) and cyfluthrin (pyrethroid); were detected. Only a strain presented low resistance to malathion (Inicio Carlos Manuel) and to lambda-cyhalothrin (Consejo Celso Maragoto). Cypermethrin-deltamethrin cross resistance was evidenced. It did not affect the susceptibility to lambda-cyalothrin and cyfluthrin.
authors.affiliation: Instituto de Medicina Tropical "Pedro Kouri" Ciudad de La Habana, Cuba. ciipk@ipk.sld.cu
authors.forename: Cristina
authors.initials: C
authors.lastname: Díaz
authors.forename: Dagoberto
authors.initials: D
authors.lastname: Enríquez
authors.forename: Juan A
authors.initials: JA
authors.lastname: Bisset
mesh_terms: D000818:Animals; D002219:Carbamates; D003058:Cockroaches; D003462:Cuba; D007305:Insecticide Resistance; D009943:Organophosphorus Compounds; D011722:Pyrethrins
chemical_list: D002219:Carbamates; D009943:Organophosphorus Compounds; D011722:Pyrethrins