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Biochemical and insecticidal effects of plant essential oils on insecticide resistant and susceptible populations of Musca domestica L. point to a potential cross-resistance risk Universiteit Gent

Ebrahim Ahmadi, Jahangir Khajehali, Wim Jonckheere, Thomas Van Leeuwen
Essential oils (EOs) can provide important alternatives to chemical insecticides in the control of pests. In this study, 12 EOs of native plant species from Iran were evaluated for their adulticidal activity against the house fly. In addition, we examined the insecticidal activity of Zataria multiflora and Rosmarinus officinalis EOs on adult female house flies from pyrethroid and organophosphate resistant and susceptible populations, using both ...

Insecticide treated curtains and residual insecticide treatment to control Aedes aegypti: an acceptability study in Santiago de Cuba Instituut voor Tropische Geneeskunde Universiteit Gent

Dennis Perez, Patrick Van der Stuyft, Maria Eugenia Toledo, Enrique Ceballos, Francisco Fabre, Pierre Lefèvre

Background

Within the context of a field trial conducted by the Cuban vector control program (AaCP), we assessed acceptability of insecticide-treated curtains (ITCs) and residual insecticide treatment (RIT) with deltamethrin by the community. We also assessed the potential influence of interviewees' risk perceptions for getting dengue and disease severity.

Methodology/principal findings

We embedded a qualitative study ...

Novel chlorantraniliprole derivatives as potential insecticides and probe to chlorantraniliprole binding site on ryanodine receptor KU Leuven

Min Luo
The lepidopteran pests such as diamondback moth are the regularly harmful pests of crops in the world, which brings enormous losses in crop production. Chlorantraniliprole is an anthranilic diamide insecticide registered for the control of lepidopteran pests with high insecticidal activity, however with uncertain binding site action target of chlorantraniliprole on ryanodine receptor, a series of new chlorantraniliprole derivatives were ...

Susceptibility status of the wild-caught Phlebotomus argentipes (Diptera Psychodidae: Phlebotominae), the sand fly vector of visceral leishmaniasis, to different insecticides in Nepal Instituut voor Tropische Geneeskunde

L Roy, Surendra Kumar Uranw, Kristien Cloots, Tom Smekens, Usha Kiran, Uttam Raj Pyakurel, Murari Lal Das, Rajpal S Yadav, Wim Van Bortel

BACKGROUND: Visceral leishmaniasis (VL) is targeted for elimination as a public health problem in Nepal by 2023. For nearly three decades, the core vector control intervention in Nepal has been indoor residual spraying (IRS) with pyrethroids. Considering the long-term use of pyrethroids and the possible development of resistance in the vector Phlebotomus argentipes sand flies, we monitored the susceptibility status of their field populations ...

Both LmCYP4G genes function in decreasing cuticular penetration of insecticides in Locusta migratoria Universiteit Gent

Lixian Wu, Zhan-Feng Zhang, Zhitao Yua, Rongrong Yu, Enbo Ma, Yong-Liang Fan, Tong-Xian Liu, René Feyereisen, Kun Yan Zhu, Jianzhen Zhang, et al.
BACKGROUND Cuticular hydrocarbons (CHCs) have a critical role in preventing desiccation and penetration of xenobiotics in insects. Previous studies have shown that cytochrome P450 subfamily 4G (CYP4G) enzymes are oxidative decarbonylases, essential for CHC biosynthesis. However, it is unclear whether there are functional differences between the two CYP4G genes in most insects. In Locusta migratoria, we identified two CYP4G genes (LmCYP4G62 and ...