4.6 Article

Confirmatory evaluation of eFUME for control of brown marmorated stink bug, Halyomorpha halys (Hemiptera: Pentatomidae)

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JOURNAL OF ECONOMIC ENTOMOLOGY
卷 116, 期 3, 页码 771-778

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OXFORD UNIV PRESS INC
DOI: 10.1093/jee/toad064

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brown marmorated stinkbug; phytosanitary; ethyl formate; eFUME

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The governments of Australia and New Zealand require phytosanitary treatment to control brown marmorated stink bugs in imported nonhorticultural consignments. A commercial fumigant called eFUME, consisting of a dilution of ethyl formate in carbon dioxide, effectively controlled overwintering adult stink bugs in field-collected samples. The study provides further insights into the technical and operational aspects of using this fumigant in commercial practice.
The governments of Australia and New Zealand require a phytosanitary treatment to control adult brown marmorated stink bug, Halyomorpha halys (Stal) (Hemiptera: Pentatomidae), as overwintering aggregations have been intercepted in the importation pathway of various nonhorticultural consignments, including vehicles. The commercialized fumigant, eFUME, a 16.7% by mass dilution of ethyl formate in carbon dioxide, resulted in complete control of ca. 1,000 field-collected, naturally diapausing adult H. halys in each of 3 independent trials at 10 +/- 0.5 degrees C ((x) over bar +/- 2s) when ethyl formate levels in enclosure headspace were maintained steady-state at ca. 14.5 mg/liter for 4 h to yield Ct exposures ranging from 57.9 to 63.1 mg/liter h. Consistent with previous findings where greenhouse reared H. halys were controlled using laboratory formulations of this ethyl formate-carbon dioxide mixture, these confirmatory methods and results further inform technical and operational features of commercial practice.

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