Skip to Main Content
Effectiveness of Cedar Oil Products for Preventing Host Use by Ips avulsus (Eichhoff) (Coleoptera: Curculionidae) in a Modified Small-Bolt AssayAuthor(s): B. L. Strom; L. M. Roton
Source: J. Entomol. Sci. 46(1):14-22
Publication Series: Scientific Journal (JRNL)
Station: Southern Research Station
PDF: Download Publication (1.02 MB)
DescriptionInsecticide products based on cedar oil are readily available, but evaluations against pine bark beetles (Coleoptera: Curculionidae: Scolytinae) are lacking. In the southeastern U.S., the southern pine beetle, Dendroctonus frontalis Zimm, is the major bark beetle pest for which tree protectants are applied. However, Ips avulsus (Eichhoff) are more consistently available, are easily trapped and can attain pest status at times, making them an attractive option for the evaluation of certain tree protection products. In this study, we evaluated 2 commercial cedar oil products for their ability to prevent attack by I. avulsus on loblolly pine (Pinus taeda L.) bolts. The field method we deployed was an extension of a previously developed laboratory method in which small-bolts are treated with the product and provided a challenge by adult beetles. The new method used multiple-funnel traps baited with synthetic attractants to direct I. avulsus to test bolts. The method was successful in providing a challenge to treatments with I. avulsus, and resulted in neither product being consistently effective for preventing bolt utilization by this beetle. Although not considered effective in the majority of our trials, full-strength (neat) application of cedar oil product reduced bolt utilization by I. avulsus during winter trials (November and February), perhaps due to lower attack pressure from beetles. Evaluations at other times of the year (March through May), or that began> 0 days post-application, resulted in the products consistently failing to meet either of our efficacy criteria. Compared with competing insecticide products (e.g., those based on bifenthrin), the cedar oil products appear to be less effective, require more frequent reapplication and be more expensive.
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationStrom, B. L.; Roton, L. M. 2011. Effectiveness of cedar oil products for preventing host use by Ips avulsus (Eichhoff) (Coleoptera: Curculionidae) in a modified small-bolt assay. Journal of Entomological Science. 46(1):14-22.
Keywordspesticide evaluation, bioassay, pine bark beetles, tree protection, plant oil
- Antifungal activities of three supercritical fluid extracted cedar oils
- Seasonal differences in freezing tolerance of yellow-cedar and western hemlock trees at a site affected by yellow-cedar decline
- Cedrus - The True Cedars
XML: View XML