Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.)
The German cockroach (Blattella germanica L.) is a significant pest in urban areas and is known for its ability to resist insecticides. Today, resistance to insecticides makes the control of agriculturally, economically and medically important insect pests considerably more difficult. This study rep...
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| Format: | Article |
| Language: | Bulgarian |
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University of Zagreb, Faculty of Agriculture
2024-12-01
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| Series: | Journal of Central European Agriculture |
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| Online Access: | https://jcea.agr.hr/articles/771452_Assessing_the_laboratory_efficacy_of_cypermethrin_deltamethrin_and_gel_baits_against_the_German_cockroach_(Blattella_germa_en.pdf |
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| author | Krešimir Šimunac Luka Mustapić Renata Bažok Petra Mustapić Martina Kadoić Balaško |
| author_facet | Krešimir Šimunac Luka Mustapić Renata Bažok Petra Mustapić Martina Kadoić Balaško |
| author_sort | Krešimir Šimunac |
| collection | DOAJ |
| description | The German cockroach (Blattella germanica L.) is a significant pest in urban areas and is known for its ability to resist insecticides. Today, resistance to insecticides makes the control of agriculturally, economically and medically important insect pests considerably more difficult. This study represents the first investigation on the resistance of B. germanica in Croatia. After control failures with pyrethroid insecticides, a population of B. germanica was collected from a public place in Zagreb, Croatia. A susceptible population, which was kept under laboratory conditions for over 20 years without contact with insecticides, was obtained from Austria. The experiment was conducted on adults according to the IRAC protocol (No. 037). Active ingredients (AIs) commonly used to control this pest were tested: cypermethrin and deltamethrin as solutions and imidacloprid and chlorfenapyr in the form of gel baits. The results for cypermethrin and deltamethrin showed little to no efficacy in the site population after 72 hours, even at a dose 40 times higher than the dose that achieved full efficacy in the laboratory population. The efficacy of two gel baits with chlorfenapyr and imidacloprid after 72 hours was 40% and 68% higher in the laboratory population than in the site population, respectively. Neither the insecticides nor the gel baits showed sufficient efficacy in the site population of B. germanica. Considering these findings and observed resistance, it is essential to implement an anti-resistance strategy including the use of insecticides from various chemical groups, mechanical, biological and biotechnological measures as well as accompanying measures to reduce pest populations. |
| format | Article |
| id | doaj-art-24745d0567c54ca8b8dfd2b27c7c16a8 |
| institution | Kabale University |
| issn | 1332-9049 |
| language | Bulgarian |
| publishDate | 2024-12-01 |
| publisher | University of Zagreb, Faculty of Agriculture |
| record_format | Article |
| series | Journal of Central European Agriculture |
| spelling | doaj-art-24745d0567c54ca8b8dfd2b27c7c16a82024-12-20T08:28:40ZbulUniversity of Zagreb, Faculty of AgricultureJournal of Central European Agriculture1332-90492024-12-012541033104210.5513/JCEA01/25.4.4355Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.)Krešimir ŠimunacLuka MustapićRenata BažokPetra MustapićMartina Kadoić BalaškoThe German cockroach (Blattella germanica L.) is a significant pest in urban areas and is known for its ability to resist insecticides. Today, resistance to insecticides makes the control of agriculturally, economically and medically important insect pests considerably more difficult. This study represents the first investigation on the resistance of B. germanica in Croatia. After control failures with pyrethroid insecticides, a population of B. germanica was collected from a public place in Zagreb, Croatia. A susceptible population, which was kept under laboratory conditions for over 20 years without contact with insecticides, was obtained from Austria. The experiment was conducted on adults according to the IRAC protocol (No. 037). Active ingredients (AIs) commonly used to control this pest were tested: cypermethrin and deltamethrin as solutions and imidacloprid and chlorfenapyr in the form of gel baits. The results for cypermethrin and deltamethrin showed little to no efficacy in the site population after 72 hours, even at a dose 40 times higher than the dose that achieved full efficacy in the laboratory population. The efficacy of two gel baits with chlorfenapyr and imidacloprid after 72 hours was 40% and 68% higher in the laboratory population than in the site population, respectively. Neither the insecticides nor the gel baits showed sufficient efficacy in the site population of B. germanica. Considering these findings and observed resistance, it is essential to implement an anti-resistance strategy including the use of insecticides from various chemical groups, mechanical, biological and biotechnological measures as well as accompanying measures to reduce pest populations.https://jcea.agr.hr/articles/771452_Assessing_the_laboratory_efficacy_of_cypermethrin_deltamethrin_and_gel_baits_against_the_German_cockroach_(Blattella_germa_en.pdfanti-resistance strategiesbiocidesblatella germanicainsecticidesiracresistance |
| spellingShingle | Krešimir Šimunac Luka Mustapić Renata Bažok Petra Mustapić Martina Kadoić Balaško Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.) Journal of Central European Agriculture anti-resistance strategies biocides blatella germanica insecticides irac resistance |
| title | Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.) |
| title_full | Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.) |
| title_fullStr | Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.) |
| title_full_unstemmed | Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.) |
| title_short | Assessing the laboratory efficacy of cypermethrin, deltamethrin, and gel baits against the German cockroach (Blattella germanica L.) |
| title_sort | assessing the laboratory efficacy of cypermethrin deltamethrin and gel baits against the german cockroach blattella germanica l |
| topic | anti-resistance strategies biocides blatella germanica insecticides irac resistance |
| url | https://jcea.agr.hr/articles/771452_Assessing_the_laboratory_efficacy_of_cypermethrin_deltamethrin_and_gel_baits_against_the_German_cockroach_(Blattella_germa_en.pdf |
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