Kairomonal Response ofThanasimus undatulus,Enoclerus sphegeus(Coleoptera: Cleridae), andTemnochila chlorodia(Coleoptera: Trogositidae) to Bark Beetle Semiochemicals in Eastern Oregon

Zhou, Jianlin; Ross, Darrell W.; Niwa, Christine G.

doi:10.1603/0046-225x-30.6.993

Cited by 18 publications

(11 citation statements)

References 36 publications

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“…All the pheromone blends attracted specimens of T. formicarius, one of the most important scolytid predators, as observed for Thanasimus spp. by several authors in response to α-pinene and ethanol and to bark beetle pheromone components (Billings and Cameron 1984;Francardi et al 2006;Pajares et al 2004;Zhou et al 2001). The investigation confirmed the very high attractiveness of the I. sexdentatus blend (AEIDM) to histerid bark beetle predators, including Platisoma elongatum elongatum (Thunberg), as recently observed in a preliminary study (Francardi et al 2006).…”

Section: Discussionsupporting

confidence: 83%

Pine volatiles and terpenoid compounds attractive to European xylophagous species, vectors of Bursaphelenchus spp. nematodes

et al. 2009

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The attractiveness of different combinations of volatile compounds to several scolytid and cerambycid species, potential vectors of phytoparasitic nematodes of the genus Bursaphelenchus Fuchs, was investigated in pine woods of central Italy. The blend composed of α-pinene, ethanol, ipsenol, ipsdienol and 2-methyl-3-buten-2-ol was very efficient in trapping the cerambycids Monochamus galloprovincialis, Acanthocinus griseus and Arhopalus syriacus and the scolytids Ips sexdentatus, Orthotomicus erosus and Hylurgus ligniperda. This blend is proposed for operational surveys of Bursaphelenchus spp. associated with these beetles. Comparison of the capture levels with cross-vane and funnel traps baited with α-pinene, ethanol, ipsenol, ipsdienol, 2-methyl-3-buten-2-ol and cis-verbenol revealed the higher efficacy of the cross-vane traps for the abovementioned cerambycids and the scolytid I. sexdentatus but greater effectiveness of the funnel traps in capturing H. ligniperda and O. erosus. Cross-vane traps were more efficient in capturing large numbers of these insects. Data on non-target xylophagous beetles and predator species are also reported.

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Section: Discussionsupporting

confidence: 83%

Pine volatiles and terpenoid compounds attractive to European xylophagous species, vectors of Bursaphelenchus spp. nematodes

et al. 2009

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“…Moreover, their responses varied within and between years. Results from this study are consistent with Seybold et al (1995) that T. chlorodia has a broad kairomonal range and responds both to ipsdienol and exo-brevicomin, which are produced by at least 21 species of North American Ips and Dendroctonus (Byers 1982, Zhou et al 2001. The results of this study differ from earlier reports describing a slightly increased attraction of I. pini in California to 99.3% (Ϫ)-ipsdienol by lanierone (Seybold et al 1992).…”

Section: Discussionsupporting

confidence: 80%

Attraction of Ips pini (Coleoptera: Scolytinae) and Its Predators to Natural Attractants and Synthetic Semiochemicals in Northern California: Implications for Population Monitoring

Dahlsten

Six

Rowney

et al. 2004

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Effective management of bark beetles (Coleoptera: Curculionidae, Scolytinae) relies on accurate assessments of pest and predator populations. Semiochemicals provide a powerful tool for attracting bark beetles and associated predators, but the extent to which trap catches reßect actual population densities are poorly understood. We conducted Þeld experiments in California during 2 consecutive yr to determine how attraction of Ips pini (Say) and its major predators to synthetic pheromones vary from each other and from attraction to natural volatiles emitted from colonized hosts. Synthetic lures consisted of different ratios of the (ϩ) and (Ð) enantiomers of ipsdienol, the primary pheromone component of I. pini, with or without lanierone, an additional component that synergizes attraction in some populations. I. pini was consistently attracted to either 3(ϩ)/97(Ϫ) ipsdienol or infested host plant material. Lanierone had no effect on the attraction of I. pini. Coleopteran predators showed a range of responses, more of which coincided with I. pini. Temnochila chlorodia (Mannerheim) (Trogositidae) was attracted to infested host materials and all synthetic lures. Enoclerus lecontei (Wolcott) (Cleridae) preferentially responded to higher ratios of (ϩ)-ipsdienol, and its attraction was strongly enhanced by lanierone. Enoclerus sphegeus F. was most attracted to infested hosts and exhibited a preference for (Ϫ)-over (ϩ)-ipsdienol. Our results suggest that preferences of bark beetles and predators for bark beetle pheromones at the regional scale should be considered before deploying semiochemicals. These results are also consistent with a model of co-evolving responses to pheromones by predators and their prey. The roles of plant volatiles should be further investigated, both to improve monitoring programs and from an ecological perspective.

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“…Predaceous beetles appear to be particularly important because they attack both the colonizing adults and the developing brood (Reeve, 1997). These predators are highly attracted to the pheromones that bark beetles produce to coordinate mass attacks and overcome tree defences (Dahlsten & Stephen, 1974; Stephen & Dahlsten, 1976; Wood, 1982; Billings & Cameron, 1984; Ross & Daterman, 1995; Zhou et al , 2001; Dahlsten et al , 2004; Fettig & Dabney, 2006). Attraction of predators to bark beetle pheromones has been observed in many systems, and typically lasts several days (Bowers & Borden, 1992; Poland & Borden, 1997; Gaylord et al , 2006; Hulcr et al , 2006).…”

Section: Introductionmentioning

confidence: 99%

The enemy of my enemy is still my enemy: competitors add to predator load of a tree‐killing bark beetle

Boone

Six

Raffa

2008

Agri and Forest Entomology

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1 The mountain pine beetle Dendroctonus ponderosae is a major tree‐killing bark beetle in North America. We evaluated how the subsequent arrival of a competing bark beetle Ips pini influences the arrival of predators and their impact on both species. 2 The predators Temnochila chlorodia and Enoclerus sphegeus were strongly attracted to pheromones of D. ponderosae. By contrast, Enoclerus lecontei was mostly attracted to I. pini pheromones. The host compound myrcene synergized attraction of both D. ponderosae and E. sphegeus to the pheromone of D. ponderosae. However, it inhibited attraction of both I. pini and E. lecontei to I. pini’s pheromone. 3 Dendroctonus ponderosae were more attracted to trees than logs treated with its pheromones, whereas I. pini were more attracted to logs than trees treated with its pheromones. Some 78% of T. chlorodia were captured at hosts baited with D. ponderosae pheromones, whereas 83% of E. lecontei were captured at hosts baited with I. pini pheromones. We characterized the sequence of arrival to live trees baited with pheromones of D. ponderosae as: D. ponderosae, T. chlorodia, E. sphegeus, I. pini, E. lecontei. 4 Various combinations of I. pini and predators were added to logs colonized by D. ponderosae in the above sequence of arrival observed in live trees baited with D. ponderosae aggregation pheromones. Ips pini reduced D. ponderosae adult brood production. However, the combination of I. pini and E. lecontei did not raise D. ponderosae brood production above that observed with only I. pini present. Similarly, the combination of I. pini and T. chlorodia did not reduce D. ponderosae brood production below that observed with I. pini alone. By contrast, the combination of I. pini, T. chlorodia and E. lecontei caused more brood loss to D. ponderosae than I. pini alone. 5 Enoclerus lecontei did not reduce brood production by T. chlorodia, whereas T. chlorodia substantially reduced brood production by E. lecontei. 6 Secondary bark beetles that exploit the resource created by primary tree‐killing species exert negative effects through both competition and increased predator load. Implications to the population dynamics, ecology and evolution of tree‐killing bark beetles are discussed.

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Kairomonal Response ofThanasimus undatulus,Enoclerus sphegeus(Coleoptera: Cleridae), andTemnochila chlorodia(Coleoptera: Trogositidae) to Bark Beetle Semiochemicals in Eastern Oregon

Cited by 18 publications

References 36 publications

Pine volatiles and terpenoid compounds attractive to European xylophagous species, vectors of Bursaphelenchus spp. nematodes

Pine volatiles and terpenoid compounds attractive to European xylophagous species, vectors of Bursaphelenchus spp. nematodes

Attraction of <I>Ips pini</I> (Coleoptera: Scolytinae) and Its Predators to Natural Attractants and Synthetic Semiochemicals in Northern California: Implications for Population Monitoring

The enemy of my enemy is still my enemy: competitors add to predator load of a tree‐killing bark beetle

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