The Experts below are selected from a list of 216 Experts worldwide ranked by ideXlab platform
John H. Borden - One of the best experts on this subject based on the ideXlab platform.
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responses of ips pini say pityogenes knechteli swaine and associated beetles coleoptera to host monoterpenes in stands of lodgepole pine
Journal of Entomological Science, 2003Co-Authors: Daniel R Miller, John H. BordenAbstract:We conducted seven experiments in stands of mature lodgepole pine in southern British Columbia to elucidate the role of host volatiles in the semiochemical ecology of the pine engraver, Ips pini (Say) (Coleoptera: Scolytidae), with particular reference to the behavioral responses of predators and competing species of bark beetles. Our results demonstrated that the attraction of Ips pini and the bark beetle predators Lasconofus complex LeConte (Colydi- idae), Thanasimus undafulus (Say) (Cleridae) and a Corticeus sp. (Tenebrionidae) were in- creased by 3-carene. In contrast, attraction of the bark beetle Pityogenes knecbfeli Swaine (Scolytidae) to ipsdienol was interrupted by 3-carene and a-pinene. Attraction of L. complex to ipsdienol was increased by r-terpinene, a compound attractive to the mountain pine beetle, Dendroctonus ponderosae Hopkins (Scolytidae). Terpinolene interrupted the attraction of 1. pini
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pheromone interruption of pine engraver ips pini by pheromones of mountain pine beetle dendroctonus ponderosae coleoptera Scolytidae
Journal of the Entomological Society of British Columbia, 2000Co-Authors: Daniel R Miller, John H. BordenAbstract:The effect of pheromones of Dendroctonus ponderosae Hopkins on the attraction of Ips pini (Say) to its pheromone, ipsdienol, was investigated in stands of lodgepole pine. The mixture of cis- and trans-verbenol significantly reduced catches of I. pini in traps baited with ipsdienol at three locations in British Columbia. exo-Brevicomin had no effect on catches of I. pini, irrespective of the enantiomeric composition of exobrevicomin. Ipsdienol did not significantly reduce the attraction of D. ponderosae to traps baited with cis - and trans-verbenol, and (±)-exo-brevicomin. Key Words: Coleoptera; Scolytidae; Ips pini; Dendroctonus ponderosae; pheromone interruption; synomone; exo-brevicomin; cis-verbenol; trans-verbenol; ipsdienol
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β phellandrene kairomone for pine engraver ips pini say coleoptera Scolytidae
Journal of Chemical Ecology, 1990Co-Authors: Daniel R Miller, John H. BordenAbstract:The responses ofIps pini (Scolytidae) to multiple-funnel traps baited with the pheromone, ipsdienol, and various monoterpenes were determined in stands of lodgepole pine in southern and central British Columbia.Ips pini was attracted to both ipsdienol and β-phellandrene, demonstrating that β-phellandrene is a kairomone for this species.Lasconotus complex (Colydiidae) and aCorticeus sp. (Tenebrionidae) were attracted to both ipsdienol and β-phellandrene. TheCorticeus sp. exhibited a synergistic response to the combination of ipsdienol and β-phellandrene; the responses of the other two species to the combination were additive. The predators,Thanasimus undatulus, Enoclerus sphegeus, andE. lecontei (Cleridae), were attracted to ipsdienol-baited traps, whileMonochamus clamator (Cerambycidae) andDendroctonus ponderosae (Scolytidae) were attracted to β-phellandrene. Attraction of all eight species increased with increasing release rates of ipsdienol and/or β-phellandrene.
Daniel R Miller - One of the best experts on this subject based on the ideXlab platform.
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Short-range horizontal disruption by verbenone in attraction of mountain pine beetle (Coleoptera: Scolytidae) to pheromone-baited funnel traps in stands of lodgepole pine
Journal of the Entomological Society of British Columbia, 2020Co-Authors: Daniel R MillerAbstract:Verbenone interrupted the attraction of mountain pine beetle, Dendroctonus ponderosae Hopkins, to baited multiple-funnel traps at a distance of or = 4 m from traps with verbenone wcre not significantly lower than catches in control traps. These results are consistent with the short-range phenomenon of "switching" exhibited by mountain pine beetle in the formation of a spot infestation in stands of lodgepole pine. Keywords: Dendroctonus ponderosae; Coleoptera; Scolytidae; verbenone; antiaggregation pheromone; multiple funnel trap
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responses of ips pini say pityogenes knechteli swaine and associated beetles coleoptera to host monoterpenes in stands of lodgepole pine
Journal of Entomological Science, 2003Co-Authors: Daniel R Miller, John H. BordenAbstract:We conducted seven experiments in stands of mature lodgepole pine in southern British Columbia to elucidate the role of host volatiles in the semiochemical ecology of the pine engraver, Ips pini (Say) (Coleoptera: Scolytidae), with particular reference to the behavioral responses of predators and competing species of bark beetles. Our results demonstrated that the attraction of Ips pini and the bark beetle predators Lasconofus complex LeConte (Colydi- idae), Thanasimus undafulus (Say) (Cleridae) and a Corticeus sp. (Tenebrionidae) were in- creased by 3-carene. In contrast, attraction of the bark beetle Pityogenes knecbfeli Swaine (Scolytidae) to ipsdienol was interrupted by 3-carene and a-pinene. Attraction of L. complex to ipsdienol was increased by r-terpinene, a compound attractive to the mountain pine beetle, Dendroctonus ponderosae Hopkins (Scolytidae). Terpinolene interrupted the attraction of 1. pini
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pheromone interruption of pine engraver ips pini by pheromones of mountain pine beetle dendroctonus ponderosae coleoptera Scolytidae
Journal of the Entomological Society of British Columbia, 2000Co-Authors: Daniel R Miller, John H. BordenAbstract:The effect of pheromones of Dendroctonus ponderosae Hopkins on the attraction of Ips pini (Say) to its pheromone, ipsdienol, was investigated in stands of lodgepole pine. The mixture of cis- and trans-verbenol significantly reduced catches of I. pini in traps baited with ipsdienol at three locations in British Columbia. exo-Brevicomin had no effect on catches of I. pini, irrespective of the enantiomeric composition of exobrevicomin. Ipsdienol did not significantly reduce the attraction of D. ponderosae to traps baited with cis - and trans-verbenol, and (±)-exo-brevicomin. Key Words: Coleoptera; Scolytidae; Ips pini; Dendroctonus ponderosae; pheromone interruption; synomone; exo-brevicomin; cis-verbenol; trans-verbenol; ipsdienol
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β phellandrene kairomone for pine engraver ips pini say coleoptera Scolytidae
Journal of Chemical Ecology, 1990Co-Authors: Daniel R Miller, John H. BordenAbstract:The responses ofIps pini (Scolytidae) to multiple-funnel traps baited with the pheromone, ipsdienol, and various monoterpenes were determined in stands of lodgepole pine in southern and central British Columbia.Ips pini was attracted to both ipsdienol and β-phellandrene, demonstrating that β-phellandrene is a kairomone for this species.Lasconotus complex (Colydiidae) and aCorticeus sp. (Tenebrionidae) were attracted to both ipsdienol and β-phellandrene. TheCorticeus sp. exhibited a synergistic response to the combination of ipsdienol and β-phellandrene; the responses of the other two species to the combination were additive. The predators,Thanasimus undatulus, Enoclerus sphegeus, andE. lecontei (Cleridae), were attracted to ipsdienol-baited traps, whileMonochamus clamator (Cerambycidae) andDendroctonus ponderosae (Scolytidae) were attracted to β-phellandrene. Attraction of all eight species increased with increasing release rates of ipsdienol and/or β-phellandrene.
L M Schroeder - One of the best experts on this subject based on the ideXlab platform.
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interactions between the predators thanasimus formicarius col cleridae and rhizophagus depressus col rhizophagidae and the bark beetle tomicus piniperda col Scolytidae
Biocontrol, 1996Co-Authors: L M SchroederAbstract:The occurrences of Thanasimus formicarius (L.) (Cleridae), Rhizophagus depressus (F.) (Rhizophagidae), and Epuraea marseuli Reitter (Nitidulidae) in cut Scots pines, Pinus sylvestris L., attacked by Tomicus piniperda (L.) (Col.: Scolytidae) were recorded in the field, and interactions between the species were studied in caged pine bolts attacked by T. piniperda.
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interactions between the phloem feeding species tomicus piniperda col Scolytidae and acanthocinus aedilis col cerambycidae and the predator thanasimus formicarius col cleridae with special reference to brood production
Biocontrol, 1994Co-Authors: L M Schroeder, J WeslienAbstract:Interactions betweenTomicus piniperda (L.) (Col.: Scolytidae),Acanthocinus aedilis (L.) (Col.: Cerambycidae) andThanasimus formicarius (L.) (Col.: Cleridae) were investigated in caged pine bolts. The treatments wereT. piniperda alone,A. aedilis alone,T. piniperda together withA. aedilis, T. piniperda together withT. formicarius and all three species together.
C W Berisford - One of the best experts on this subject based on the ideXlab platform.
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ambrosia and bark beetles Scolytidae coleoptera in pine and eucalypt stands in southern brazil
Forest Ecology and Management, 2001Co-Authors: Carlos A H Flechtmann, A L T Ottati, C W BerisfordAbstract:Abstract More than 95% of the reforested area in Brazil is covered by exotic Eucalyptus and Pinus plantations. Native Scolytidae, mostly ambrosia beetles, appear to be rapidly adapting to these exotic trees, and reports of economic damage are becoming frequent. The objectives of our research were to survey, characterize and compare the Scolytidae fauna present in a P. taeda and an E. grandis stand in Telemaco Borba, Parana state, Brazil. Beetles were caught in ethanol baited ESALQ-84 vane traps in weekly collections from July 1995 until July 1997. In all, 87 species were trapped, 62 in the pine and 75 in the eucalypt stand. The most abundant beetle species in the pines were Hypothenemus eruditus, Xyleborinus gracilis, Cryptocarenus sp. and Xylosandrus retusus, while the most frequent were H. eruditus, Cryptocarenus sp., H. obscurus, Ambrosiodmus obliquus, and X. gracilis. In the eucalypt stand, H. eruditus, X. retusus, H. obscurus, X. ferrugineus and Microcorthylus minimus were the most abundant species, and H. eruditus, H. obscurus and M. minimus were the most frequently trapped. The majority of the species, regardless of the forest community, were most active between August (end of winter) and October (mid-spring). Significantly more H. eruditus, X. gracilis, Cryptocarenus sp., Corthylus obliquus, Hypothenemus bolivianus, A. obliquus, Sampsonius dampfi and Xyleborus affinis were trapped in the pine stand, while X. retusus, H. obscurus, X. ferrugineus, Xyleborinus linearicollis, Corthylus sp. and Corthylus convexicauda were caught in higher numbers in the eucalypt stand. Approximately 50% of the species trapped were found in both communities. Morisita’s similarity index indicates the composition of the two communities is very similar, suggesting that most of the beetles are polyphagous.
J Weslien - One of the best experts on this subject based on the ideXlab platform.
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interactions between the phloem feeding species tomicus piniperda col Scolytidae and acanthocinus aedilis col cerambycidae and the predator thanasimus formicarius col cleridae with special reference to brood production
Biocontrol, 1994Co-Authors: L M Schroeder, J WeslienAbstract:Interactions betweenTomicus piniperda (L.) (Col.: Scolytidae),Acanthocinus aedilis (L.) (Col.: Cerambycidae) andThanasimus formicarius (L.) (Col.: Cleridae) were investigated in caged pine bolts. The treatments wereT. piniperda alone,A. aedilis alone,T. piniperda together withA. aedilis, T. piniperda together withT. formicarius and all three species together.
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the influence of natural enemies on brood production in ips typographus col Scolytidae with special reference to egg laying and predation by thanasimus formicarius col cleridae
Biocontrol, 1992Co-Authors: J Weslien, J RegnanderAbstract:The predatorThanasimus formicarius (L.) (Coleoptera, Cleridae) and its preyIps typographus (L.) (Coleoptera, Scolytidae) were studied in the laboratory and the field.
