Influence of Ethanol Grade on Captures of Ambrosia Beetles in Tree Fruit Orchards, Ornamental Nurseries, and Lumber Yards.

Insects

Horticultural Insects Research Laboratory, United State Department of Agriculture-Agricultural Research Service, 1680 Madison Ave., Wooster, OH 44691, USA.

Published: June 2024

AI Article Synopsis

  • Ambrosia beetles, particularly invasive species from the tribe Xyleborini, are harmful to ecosystems and managed habitats globally, making monitoring crucial for pest management.
  • We compared the effectiveness of denatured ethanol and absolute ethanol traps in capturing these beetles in various locations in northeastern Ohio, revealing that absolute ethanol traps were significantly more effective.
  • Our findings highlight the importance of using pure denatured ethanol without impurities for better monitoring of invasive beetles and recommend further research on their chemical ecology and trap efficacy.

Article Abstract

Ambrosia beetles, particularly invasive species within the tribe Xyleborini, such as (Blandford, 1894), pose significant threats to various ecosystems and managed habitats worldwide. Monitoring these invaders is vital for effective pest management, typically accomplished through ethanol-baited traps. We compared trap efficacy using denatured ethanol versus absolute ethanol in orchards, tree nurseries, and lumber yards in northeastern Ohio, USA, finding that absolute ethanol traps captured significantly more . Analysis revealed acetone, ethanol, and methyl isobutyl ketone in the denatured ethanol, likely impacting trap efficacy. Our study underscores the importance of using pure denatured ethanol without acetone for effective monitoring, especially for . Exotic xyleborines dominated trap captures across various habitats, emphasizing the need for tailored pest management strategies. Further research is warranted to explore the chemical ecology of ambrosia beetles and the influence of ethanol impurities on trap effectiveness.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11204324PMC
http://dx.doi.org/10.3390/insects15060408DOI Listing

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