Identification of ?pityol? and ?grandisol? as pheromone components of the bark beetle, Pityophthorus pityographus

1987 ◽  
Vol 74 (7) ◽  
pp. 343-345 ◽  
Author(s):  
W. Francke ◽  
M. -L. Pan ◽  
W. A. K�nig ◽  
K. Mori ◽  
P. Puapoomchareon ◽  
...  
Keyword(s):  
Bark Beetle ◽  
Pheromone Components

The response of Dendroctonus valens and Temnochila chlorodia to Ips paraconfusus pheromone components and verbenone

2007 ◽  
Vol 139 (1) ◽  
pp. 141-145 ◽  
Author(s):  
Christopher J. Fettig ◽  
Stephen R. McKelvey ◽  
Christopher P. Dabney ◽  
Roberty R. Borys
Keyword(s):  
North America ◽  
Bark Beetle ◽  
Ips Paraconfusus ◽  
Release Rates ◽  
Dendroctonus Valens ◽  
High Release ◽  
Baited Traps ◽  
Pheromone Components ◽  
Temnochila Chlorodia ◽  
Cut Stumps

AbstractThe red turpentine beetle, Dendroctonus valens LeConte, 1860 (Coleoptera: Curculionidae, Scolytinae), is a common bark beetle found throughout much of North America and China. In 2004, we observed that attack densities of the California fivespined ips, Ips paraconfusus Lanier, 1970 (Coleoptera: Curculionidae, Scolytinae), in logging debris were inversely related to D. valens attacks on freshly cut stumps, which led to the demonstration that components of the aggregation pheromone of I. paraconfusus inhibited the response of D. valens to attractant-baited traps. In this study, we test the response of D. valens and Temnochila chlorodia (Mannerheim, 1843) (Coleoptera: Trogositidae), a common bark beetle predator, to racemic ipsenol, racemic ipsdienol, and (−)-cis-verbenol (IPSR) in the presence and absence of two release rates of (−)-verbenone. The addition of a relatively low release rate of (−)-verbenone (4 mg/24 h) to attractant-baited traps did not affect catch and had no significant effect on the response of D. valens to IPSR. IPSR significantly reduced D. valens attraction to baited traps. The addition of high release rates of (−)-verbenone (50 mg/24 h) to IPSR significantly increased inhibition; however, the effect was not significantly different from that observed with (−)-verbenone alone (50 mg/24 h). Temnochila chlorodia was attracted to traps baited with (−)-β-pinene, (+)-3-carene, and (+)-α-pinene. The addition of (−)-verbenone (50 mg/24 h) significantly increased attraction. Traps baited with IPSR caught significantly more T. chlorodia than those baited with (−)-verbenone. Few other beetles were collected. We are hopeful that these results will help facilitate the development of an effective tool for protecting Pinus spp. from D. valens infestations.

scholarly journals Using synthetic semiochemicals to train canines to detect bark beetle-infested trees

2018 ◽  
Author(s):  
Annette Johansson ◽  
Göran Birgersson ◽  
Fredrik Schlyter
Keyword(s):  
Bark Beetle ◽  
Ips Typographus ◽  
List Type ◽  
Proof Of Concept ◽  
Dog Training ◽  
Synthetic Pheromone ◽  
Pheromone Components ◽  
Scent Detection ◽  
Rapid Removal ◽  
Winter Time

AbstractIn this proof of concept study, we report the off season training of two detection dogs on a series of synthetic semiochemicals associated with Ips typographus pest bark beetle infestations of spruce trees. Scent detection training allowed dogs to discriminate between physiologically-relevant infestation (target) odours, quantified by GC-MS using extracted ion chromatogram to be bio-active at levels of < 10−4 ng /15 min or lower, and natural non-target odours that might be encountered in the forest. Detection dogs trained to recognize four different synthetic pheromone compounds in the winter time, well before beetle flight, were able to detect natural infested spruce trees unknown to humans the following summer. The trained detection dogs were able to detect an infested spruce tree from the first hour of bark beetle attack until several weeks after the attack. Trained detection dogs appear to be more efficient than humans in detecting early bark beetle infestations because the canines ability to cover a greater area and by olfaction detect infestations from a far greater distance than can humans. Infested spruce trees could be detected by trained detection dogs out to more than 100 m.Key MessageDetection dogs were rapidly trained to locate release of synthetic bark beetle pheromone componentsSynthetics allowed dog training off-season both in laboratory and fieldDogs trained on synthetics detected naturally target pest insect attacked trees at a distance of more than 100 m.The method allows rapid removal of single, first attacked trees before offspring emergence, thus curbing local pest increase and lowering spread of attacks in the landscap

scholarly journals Identification and Field Assay of Two Aggregation Pheromone Components Emitted by Males of the Bark Beetle Polygraphus punctifrons (Coleoptera: Curculionidae)

2019 ◽  
Vol 45 (4) ◽  
pp. 356-365 ◽  
Author(s):  
Rizan Rahmani ◽  
Erika A. Wallin ◽  
Lina Viklund ◽  
Martin Schroeder ◽  
Erik Hedenström
Keyword(s):  
Bark Beetle ◽  
Aggregation Pheromone ◽  
Pheromone Components ◽  
Field Assay

Attraction Modulated by Spacing of Pheromone Components and Anti-attractants in a Bark Beetle and a Moth

2011 ◽  
Vol 37 (8) ◽  
pp. 899-911 ◽  
Author(s):  
Martin N. Andersson ◽  
Muhammad Binyameen ◽  
Medhat M. Sadek ◽  
Fredrik Schlyter
Keyword(s):  
Bark Beetle ◽  
Pheromone Components

Disruption of red turpentine beetle attraction to baited traps by the addition of California fivespined ips pheromone components

2005 ◽  
Vol 137 (6) ◽  
pp. 748-752 ◽  
Author(s):  
Christopher J. Fettig ◽  
Robert R. Borys ◽  
Christopher P. Dabney ◽  
Stephen R. McKelvey ◽  
Daniel R. Cluck ◽  
...  
Keyword(s):  
North America ◽  
Bark Beetle ◽  
Aggregation Pheromone ◽  
Ips Paraconfusus ◽  
Management Tool ◽  
Beetle Species ◽  
Baited Traps ◽  
Pheromone Components ◽  
Temnochila Chlorodia ◽  
Cut Stumps

AbstractThe red turpentine beetle, Dendroctonus valens LeConte (Coleoptera: Scolytidae), is a common bark beetle species found throughout much of North America. In California, D. valens and the California fivespined ips, Ips paraconfusus Lanier (Coleoptera: Scolytidae), are sympatric and often colonize the same tree. In an unrelated study, we observed that I. paraconfusus attack densities in logging debris were inversely related to D. valens attacks on freshly cut stumps. In this study, we test the hypothesis that allomonal inhibition occurs between these two species. Components of the aggregation pheromone of I. paraconfusus (racemic ipsenol, (+)-ipsdienol, and (–)-cis-verbenol) inhibited the response of D. valens to attractant-baited traps. Substitution of racemic ipsdienol for (+)-ipsdienol did not alter this effect. Doubling the release rate did not enhance inhibition. Racemic ipsdienol was not attractive to I. paraconfusus. Temnochila chlorodia (Mannerheim, 1843) (Coleoptera: Trogositidae), a common bark beetle predator, was attracted to the I. paraconfusus aggregation pheromone. These results could have important implications for the development of an effective semiochemical-based management tool for D. valens.

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