Red Turpentine Beetle, &lt;I&gt;Dendroctonus valens&lt;/I&gt; LeConte (Coleoptera: Scolytidae), Response to Host Semiochemicals in China

Sun, Jianghua; Miao, Zhengwan; Zhang, Zhen; Zhang, Zhongning; Gillette, Nancy E.

doi:10.1603/0046-225x-33.2.206

Cited by 64 publications

(89 citation statements)

References 26 publications

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“…Each bottle contained 15 mL of the specific monoterpene or semiochemical blend. The release rate of the lures was 300 µL/d, with replacement every 4 weeks [23]. …”

Section: Field Trap Experimentsmentioning

confidence: 99%

Des composés émis par les arbres-hôtes stressés sont attractifs pour le cérambycidé Monochamus alternatus

Fan

Sun

Jin³

2007

Ann. For. Sci.

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-Ovipositing female Japanese sawyer beetles, Monochamus alternatus, prefer stressed Pinus massoniana over healthy trees. Host discrimination by M. alternatus suggests that changes in the chemical composition of pines may mediate the host preference of beetles. Volatile compounds from stressed and healthy pine stems were collected using absorbent trap collection method. Significant differences in absolute terpene quantities between stressed and healthy pines occurred for 7 of 10 terpenes. Field trials demonstrated that four terpenes identified from host pines were attractive to M. alternatus with (+)-α-pinene as the most attractive compound to M. alternatus. Ethanol appeared to be an important synergistic compound causing significant increase in attraction.Monochamus alternatus / pine volatile / trapping / terpene / attractant Résumé -Des composés émis par les arbres-hôtes stressés sont attractifs pour le cérambycidé Monochamus alternatus. Les femelles du céram-bycidé Monochamus alternatus préfèrent pondre sur les arbres stressés que sur les arbres sains de Pinus massoniana. Cette discrimination dans le choix de l'hôte par l'insecte pourrait être reliée à des modifications intervenues dans la composition chimique des pins. Les composés volatils émis par des pins stressés et sains ont été collectés en utilisant une méthode de piégeage sur résine adsorbante. La quantité absolue de 7 terpènes sur les 10 analysés diffère significativement entre pins stressés et sains. Des essais sur le terrain ont montrés que 4 de ces terpènes sont attractifs pour M. Alternatus. l'(+)-α-pinène étant le compose le plus attractif. L'éthanol semble être un composé synergique induisant une augmentation significative de l'attraction.Monochamus alternatus / composés / volatil des pins / piégeage / terpènes / attractif

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“…Each bottle contained 15 mL of the specific monoterpene or semiochemical blend. The release rate of the lures was 300 µL/d, with replacement every 4 weeks [23]. …”

Section: Field Trap Experimentsmentioning

confidence: 99%

Des composés émis par les arbres-hôtes stressés sont attractifs pour le cérambycidé Monochamus alternatus

Fan

Sun

Jin³

2007

Ann. For. Sci.

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“…Interestingly, a suite of Scolytinae showed no significant response to treated trees over control trees. These Scolytinae, including X. politus, P. hopkinsi, H. opacus, G. materiarius, and D. valens, all inhabit stressed trees and some use host volatiles to locate hosts [57,58], while others may locate trees through random landing [59]. It is also possible that, for beetles using host volatiles to locate trees, there was not a perceptible difference among the composition or abundance of compounds emitted from treated and control trees.…”

Section: Discussionmentioning

confidence: 99%

Enhancing Stand Structure through Snag Creation in Northeastern U.S. Forests: Using Ethanol Injections and Bark Beetle Pheromones to Artificially Stress Red Maple and White Pine

Dodds

Hanavan

Wansleben

2016

Forests

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We investigated two methods to create white pine and red maple snags in a forested setting. The first involved injecting trees with ethanol at two times (single Ethanol (ETOH) and double ETOH injections) to increase attractiveness to insects and elicit attacks on trees. The second method was unique to white pines and involved both injection treatments in combination with baiting trees with Ips-specific pheromones. Three of five white pines from the double ETOH treatment died in the second year. Species including Ips pini (Say), Ips grandicollis Eichhoff, Orthotomicus caelatus Eichhoff, Crypturgus borealis Swaine and Monochamus notatus (Drury) responded more strongly to at least one of the treatments over control trees. However, there were no differences found in individual Scolytinae or Cerambycidae species response to treatments in red maple. Fitness (FV/FM) and vitality (PIabs) were both significantly reduced in both ETOH treatments compared to controls in white pine. In red maple, fitness was reduced in the double ETOH treated trees but the final mean FV/FM values were within the approximate optimal of health. Ethanol injections, in combination with Ips-specific semiochemicals, show promise for creating standing coarse woody debris (CWD) in white pine. Injecting ethanol was not effective for stressing red maple.

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“…The behaviour of the red turpentine beetle is no exception. Recent investigations of the chemosensory orientation of the red turpentine beetle to host semiochemicals (SUN et al 2004) and their inhibitors (SUN et al 2003) revealed the importance of the host volatiles (kairomones) for orientation of the beetles during host searching. We have also observed that the beetles can successfully colonize an apparently healthy tree and under certain circumstances the tree can survive the beetles' attack.…”

Section: Discussionmentioning

confidence: 99%

Distribution and attack behaviour of the red turpentine beetle, Dendroctonus valens, recently introduced to China

Gao¹,

Wen²,

Guan³

et al. 2005

J. For. Sci.

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ABSTRACT:The red turpentine beetle, Dendroctonus valens LeConte (Coleoptera: Scolytidae), was found for the first time in China in Yangcheng and Xinshui counties, Shanxi province in 1998, and in Hebei province in 1999. The beetle mostly attacks the oil pine Pinus tabulaeformis Carriére. By 2003 the beetle was found in 85 counties of three provinces in north China and the area of infested pine forests covered more than 700,000 ha. The elevation above sea level of forests infested is more than 800 m. The beetles most frequently attack trees on hilltops and at the forest edge, fewer attacks occur in the centre of the stand. This correlates with the damage done to the trees by wind or man. Weak and dying trees are more vulnerable to attack than healthy ones. The most attractive breeding sites are fresh stumps. The population density of the beetles is higher in the forests on northern slopes than on southern slopes. Most of the bores in the trunk are less than 0.5 m above ground; the galleries are found also on roots.

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Red Turpentine Beetle, <I>Dendroctonus valens</I> LeConte (Coleoptera: Scolytidae), Response to Host Semiochemicals in China

Cited by 64 publications

References 26 publications

Des composés émis par les arbres-hôtes stressés sont attractifs pour le cérambycidé Monochamus alternatus

Des composés émis par les arbres-hôtes stressés sont attractifs pour le cérambycidé Monochamus alternatus

Enhancing Stand Structure through Snag Creation in Northeastern U.S. Forests: Using Ethanol Injections and Bark Beetle Pheromones to Artificially Stress Red Maple and White Pine

Distribution and attack behaviour of the red turpentine beetle, Dendroctonus valens, recently introduced to China

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