Impact of Triflumuron on Halyomorpha halys (Hemiptera: Pentatomidae): Laboratory and Field Studies.

Journal of Economic Entomology
Antonio MasettiEdison Pasqualini

Abstract

Halyomorpha halys, (the brown marmorated stink bug, BMSB), is a high-concern invasive species causing severe damage to orchards in many countries outside its native Asian range. Control options matching both effectiveness and sustainability are currently lacking. Inhibitors of chitin biosynthesis might be exploited for integrated management programs because of the overall better ecotoxicological profile in comparison with most neurotoxic insecticides used so far against BMSB. In this study, the activity of triflumuron, a benzoylphenyl urea hampering chitin biosynthesis, was tested on BMSB in laboratory and field conditions. In laboratory bioassays, the insecticide was sprayed on potted peach plants (30 cm high) and residues were aged in a glasshouse for 0, 7, 14, and 21 d. Then, third-instar bugs were placed on the plants and continuously exposed to residues. Mortality was scored after 7, 14, and 21 d exposure. Triflumuron caused significantly higher mortality on BMSB nymphs in comparison with water controls at all aging periods. Moreover, aging of residues up to 21 d did not cause any significant reduction of activity. Field experiments were also carried out in 2019 in eight pear orchards. Injuries to fruits at harvest were co...Continue Reading

References

Dec 20, 1999·Journal of Agricultural and Food Chemistry·P G Aplada-SarlisN G Tsiropoulos
Jul 15, 2015·Journal of Agricultural and Food Chemistry·Ranfeng SunQingmin Wang
Mar 18, 2016·Annual Review of Entomology·Kun Yan ZhuSubbaratnam Muthukrishnan
Dec 9, 2016·Proceedings of the National Academy of Sciences of the United States of America·Vassilis DourisJohn Vontas
Nov 7, 2019·Ecotoxicology·Thaís Fagundes MatioliPedro Takao Yamamoto
Feb 13, 2021·Journal of Economic Entomology·Beverly D CatchotK S Knighten

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