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Comparative Efficacy of Residual Insecticides against the Turkestan Cockroach, Blatta lateralis, (Blattodea: Blattidae) on Different Substrates

by 1 and 2,*
1
Department of Entomology, University of Kentucky, Lexington, KY 40546, USA
2
Department of Entomology, Plant Pathology and Weed Science, New Mexico State University, Las Cruces, NM 88003, USA
*
Author to whom correspondence should be addressed.
Insects 2020, 11(8), 477; https://doi.org/10.3390/insects11080477
Received: 19 June 2020 / Revised: 24 July 2020 / Accepted: 24 July 2020 / Published: 28 July 2020
The Turkestan cockroach, Blatta lateralis (Walker) is an invasive urban pest prevalent throughout the Southwestern United States. Despite the presence of this cockroach in peridomestic areas, there is limited information on strategies that can be utilized by pest management professionals (PMPs) to effectively manage populations of this pest. We evaluated the efficacy of dry residues of liquid insecticides commonly used for household and structural insect pest control: Tandem (0.10% thiamethoxam, 0.03% lambda-cyhalothrin), Transport GHP (0.05% acetamiprid, 0.06% bifenthrin), Temprid SC (0.10% imidacloprid, 0.05% beta-cyfluthrin), Demand CS (0.06% lambda-cyhalothrin), Talstar P (0.06% bifenthrin), and Phantom (0.5% chlorfenapyr) on three different substrates against Turkestan cockroach nymphs. Except for Phantom and Talstar P, all insecticide formulations killed 100% of the cockroaches on concrete, 89–100% on tile, and 77–100% on wood within 4 days. The rate of cockroach mortality varied according to the substrates to which they were exposed. Temprid SC and Transport GHP killed cockroaches faster on tile than wood. Tandem provided a faster mortality rate than Transport GHP and Temprid SC on concrete. Demand CS and Tandem killed cockroaches at similar rates on the three substrates. This study provides information to guide PMPs in their selection of insecticide formulations for the management of Turkestan cockroach infestations. View Full-Text
Keywords: peridomestic cockroach; invasive urban pest; insecticide efficacy; dry residues; substrate type peridomestic cockroach; invasive urban pest; insecticide efficacy; dry residues; substrate type
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MDPI and ACS Style

Gaire, S.; Romero, A. Comparative Efficacy of Residual Insecticides against the Turkestan Cockroach, Blatta lateralis, (Blattodea: Blattidae) on Different Substrates. Insects 2020, 11, 477. https://doi.org/10.3390/insects11080477

AMA Style

Gaire S, Romero A. Comparative Efficacy of Residual Insecticides against the Turkestan Cockroach, Blatta lateralis, (Blattodea: Blattidae) on Different Substrates. Insects. 2020; 11(8):477. https://doi.org/10.3390/insects11080477

Chicago/Turabian Style

Gaire, Sudip, and Alvaro Romero. 2020. "Comparative Efficacy of Residual Insecticides against the Turkestan Cockroach, Blatta lateralis, (Blattodea: Blattidae) on Different Substrates" Insects 11, no. 8: 477. https://doi.org/10.3390/insects11080477

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