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The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin

Cilt: 31 29 Nisan 2026
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The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin

Öz

This study aims to determine the resistance levels of German cockroach (Blattella germanica) populations to alpha-cypermethrin. A susceptible laboratory-origin population with no insecticide exposure and local populations collected from the Altındağ and Çankaya districts of Ankara were used. Alpha-cypermethrin was applied to the cockroaches at different doses (1–100 ng/µL) by topical application, and individuals were monitored for knock-down and mortality rates between 30 min and 24 h post-treatment. The results revealed that the susceptible population exhibited rapid knock-down and mortality responses at low doses, whereas the Çankaya and especially the Altındağ populations exhibited increased resistance. According to probit analysis, the LD₅₀ value of the susceptible population was calculated as 1.64 ng/, while the LD₅₀ values for the Çankaya and Altındağ populations were 16.32 ng/µL and 28.43 ng/µL, respectively. These findings indicate a significant development of resistance to alpha-cypermethrin in B. germanica populations and reveal variation in resistance levels among different local populations. The study emphasizes the importance of insecticide rotation and integrated control strategies in pest management programs.

Anahtar Kelimeler

Vector control, Cockroach, Pyrethroid, probit, Resistance, Ankara

Destekleyen Kurum

None

Proje Numarası

YOK

Etik Beyan

The study was conducted on Blattella germanica L. populations under laboratory conditions. As this species is a pest insect and not subject to animal ethics regulations, ethics committee approval was not required. The authors declare that the material and methods used do not require ethics committee approval and/or any legal or special permission. The authors declare that they have adhered to research and publication ethics throughout this process.

Teşekkür

None

Kaynakça

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  2. Arıkan, Z. Y. (2023). Molecular characterization of permethrin resistance in Blattella germanica populations in Ankara (PhD), Ankara University, Institute of Science and Technology, Ankara, Turkey.
  3. Bonnefoy, X., Kampen, H., & Sweeney, K. (2008). Public health significance of urban pests. World Health Organization Regional Office for Europe. https://iris.who.int/handle/10665/107363
  4. Burgess, N. R. H., McDermott, S. N., & Whiting, A. (1973). Aerobic bacteria occurring in the hind gut of the cockroach, Blatta orientalis. The Journal of Hygiene, 71(1), 1–7. https://doi.org/10.1017/S0022172400046155
  5. Carson, R. (2011). Silent spring (Ç. Güler, Trans.). Palme Publishing. (Original work published 1962).
  6. Casida, J. E., & Quistad, G. B. (1998). Golden age of insecticide research: Past, present, or future? Annual Review of Entomology, 43(1), 1–16. https://doi.org/10.1146/annurev.ento.43.1.1
  7. Chang, K. S., Shin, E. H., Jung, J. S., Park, C., & Ahn, Y. J. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blattaria: Blattellidae). Journal of Asia-Pacific Entomology, 13(4), 309–312. https://doi.org/10.1016/j.aspen.2010.05.008
  8. Dashti, K., Gholizadeh, S., Zaim, M., Baniardalani, M., & Basseri, H. (2024). Susceptibility status of several field-collected German cockroaches (Blattella germanica) to a pyrethroid insecticide and molecular detection of knockdown resistance (kdr). Iranian Journal of Public Health, 53(4), 957–966. https://doi.org/10.18502/ijph.v53i4.15573
  9. DeVries, Z. C., Santangelo, R. G., Crissman, J., Suazo, A., Kakumanu, M. L., & Schal, C. (2019). Pervasive resistance to pyrethroids in German cockroaches (Blattodea: Ectobiidae) related to lack of efficacy of total release foggers. Journal of Economic Entomology, 112(5), 2295–2301. https://doi.org/10.1093/jee/toz120
  10. Fardisi, M., Gondhalekar, A. D., Ashbrook, A. R., & Scharf, M. E. (2019). Rapid evolutionary responses to insecticide resistance management interventions by the German cockroach (Blattella germanica L.). Scientific Reports, 9(1), 8292. https://doi.org/10.1038/s41598-019-44296-y

Kaynak Göster

APA
Arıkan, K., & Armut, S. (2026). The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 31, 189-202. https://doi.org/10.53433/yyufbed.1789906
AMA
1.Arıkan K, Armut S. The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin. YYUFBED. 2026;31:189-202. doi:10.53433/yyufbed.1789906
Chicago
Arıkan, Kalender, ve Sevim Armut. 2026. “The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin”. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi 31 (Nisan): 189-202. https://doi.org/10.53433/yyufbed.1789906.
EndNote
Arıkan K, Armut S (01 Nisan 2026) The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi 31 189–202.
IEEE
[1]K. Arıkan ve S. Armut, “The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin”, YYUFBED, c. 31, ss. 189–202, Nis. 2026, doi: 10.53433/yyufbed.1789906.
ISNAD
Arıkan, Kalender - Armut, Sevim. “The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin”. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi 31 (01 Nisan 2026): 189-202. https://doi.org/10.53433/yyufbed.1789906.
JAMA
1.Arıkan K, Armut S. The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin. YYUFBED. 2026;31:189–202.
MLA
Arıkan, Kalender, ve Sevim Armut. “The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin”. Yüzüncü Yıl Üniversitesi Fen Bilimleri Enstitüsü Dergisi, c. 31, Nisan 2026, ss. 189-02, doi:10.53433/yyufbed.1789906.
Vancouver
1.Kalender Arıkan, Sevim Armut. The Resistance Level of the German Cockroach (Blatella germanica L.) to Alpha-cypermethrin. YYUFBED. 01 Nisan 2026;31:189-202. doi:10.53433/yyufbed.1789906