Chemical ecology of bark beetles

Alcock, J., Natural selection and communication among bark beetles. Fla. Ent.65 (1981) 17–32.

Anderbrant, O., Schlyter, F., and Birgersson, G., Intraspecific competition affecting parents and offspring in the bark beetleIps typographus. Oikos45 (1985) 89–98.

Anderbrant, O., Schlyter, F., and Löfqvist, J., Dynamics of tree attack in the bark beetleIps typographus under semi-epidemic conditions, in: Integrated Control of Scolytid Bark Beetles. Eds T. L. Payne and H. Saarenmaa. Virginia Tech. Press, Blacksburg (1989) in press.

Atkins, M. D., Lipid loss with flight in the Douglas-fir beetle. Can. Ent.101 (1969) 164–165.

Baker, T. C. Pheromone-modulated movements of flying moths, in: Mechanisms in Insect Olfaction, pp. 39–47. Eds T. L. Payne, M. C. Birch and C. E. J. Kennedy. Clarendon Press, Oxford 1986.

Bakke, A., Inhibition of the response inIps typographus to the aggregation pheromone; field evaluation of verbenone and ipsenol. Z. angew. Ent.92 (1981) 172–177.

Bakke, A., and Kvamme, T., Kairomone response inThanasimus predators to pheromone components ofIps typographus. J. chem. Ecol.7 (1981) 305–312.

Bakke, A., Frøyen, P., and Skattebøl, L., Field response to a new pheromonal compound isolated fromIps typographus. Naturwissenschaften64 (1977) 98.

Barr, B. A., Sound production in Scolytidae (Coleoptera) with emphasis on the genusIps. Can. Ent.101 (1969) 636–672.

Barras, S. J., Reduction of progeny and development in the southern pine beetle following removal of symbiotic fungi. Can. Ent.105 (1973) 1295–1299.

Bedard, W. D., Silverstein, R. M., and Wood, D. L., Bark beetle pheromones. Science167 (1970) 1638–1639.

Bedard, W. D., Tilden, P. E., Wood, D. L., Silverstein, R. M., Brownlee, R. G., and Rodin, J. O., Western pine beetle: Field response to its sex pheromone and a synergistic host terpene, myrcene. Science164 (1969) 1284–1285.

Bedard, W. D., Tilden, P. E., Lindahl, K. Q. Jr., Wood, D. L., and Rauch, P. A., Effects of verbenone andtrans-verbenol on the response ofDendroctonus brevicomis to natural and synthetic attractant in the field. J. chem. Ecol.6 (1980) 997–1013.

Berryman, A. A., Dynamics of bark beetle populations: Towards a general productivity model. Envir. Ent.3 (1974) 579–585.

Birgersson, G., and Bergström., Volatiles released from individual spruce bark beetle entrance holes: quantitative variations during the first week of attack. J. chem. Ecol. (1989) in press.

Birgersson, G., Schlyter, F., Bergström, G., and Löfqvist, J., Individual variation in aggregation pheromone content of the bark beetleIps typographus. J. chem. Ecol.14 (1988) 1735–1759.

Birgersson, G., Schlyter, F., Löfqvist, J., and Bergström, G., Quantitative variation of pheromone components in the spruce bark beetleIps typographus from different attack phases. J. chem. Ecol.99 (1984) 1164–1193.

Birch, M. C., Aggregation in bark beetles, in: Chemical Ecology of Insects, pp. 331–353. Eds W. J. Bell and R. T. Cardé. Sinauer Associates. Sunderland, Mass. 1984.

Birch, M. C., and Wood, D. L., Mutual inhibition of the attractant pheromone response by two species ofIps (Coleoptera: Scolytidae). J. chem. Ecol.1 (1975) 101–113.

Birch, M. C., Light, D. M., Wood, D. L., Browne, L. E., Silverstein, R. M., Bergot, B. J., Ohloff, G., West, J. R., and Young, J. C., Pheromonal attraction and allomonal interruption ofIps pini in California by the two enantiomers of ipsdienol. J. chem. Ecol.6 (1980) 703–717.

Birch, M. C., Svihra, P., Paine, T. D., and Miller, J. C., Influence of chemically mediated behavior on host tree colonization by four cohabiting species of bark beetles. J. chem. Ecol.6 (1980) 395–414.

Borden, J. H., Aggregation pheromones, in: Bark Beetles in North American Conifers: A System for the Study of Evolutionary Biology, pp. 74–139. Eds J. B. Mitton and K. B. Sturgeon. Univ. Texas Press, Austin 1982.

Borden, J. H., Hunt, D. W. A., Miller, D. R., and Slessor, K. N., Orientation in forest Coleoptera: An uncertain outcome of responses by individual beetles to variable stimuli, in: Mechanisms in Insect Olfaction, pp. 97–109. Eds T. L. Payne, M. C. Birch and C. E. J. Kennedy. Clarendon Press, Oxford 1986.

Borden, J. H., Chong, L., McLean, J. A., Slessor, K. N., and Mori, K.,Gnathotrichus sulcatus: synergistic response to enantiomers of the aggregation pheromone sulcatol. Science192 (1976) 894–896.

Brand, J. M., and Barras, S. J., The major volatile constituents of a basidiomycete associated with the southern pine beetle. Lloydia40 (1977) 398–400.

Brand, J. M., Bracke, J. W., Britton, L. N., Markovetz, A. J., and Barras, J. S., Bark beetle pheromones: Production of verbenone by a mycangial fungus ofDendroctonus frontalis. J. chem. Ecol.2 (1976) 195–199.

Browne, L. E., Wood, D. L., Bedard, W. D., Silverstein, R. M., and West, J. R., Quantitative estimates of the Western pine beetle attractive pheromone components,exo-brevicomin, frontalin, and myrcene in nature. J. chem. Ecol.5 (1979) 397–414.

Byers, J. A., Effect of mating on terminating aggregation during host colonization in the bark beetle,Ips paraconfusus. J. chem. Ecol.7 (1981) 1135–1147.

Byers, J. A., Pheromone biosynthesis in the bark beetle,Ips paraconfusus, during feeding or exposure to vapours of host plant precursors. Insect Biochem.11 (1981) 563–569.

Byers, J. A., Male-specific conversion of the host plant compound, myrcene, to the pheromone, (+)-ipsdienol, in the bark beetle.Dendroctonus brevicomis. J. chem. Ecol.8 (1982) 363–371.

Byers, J. A., Influence of sex, maturity and host substances on pheromones in the guts of the bark beetles,Dendroctonus brevicomis andIps paraconfusus. J. Insect Physiol.29 (1983) 5–13.

Byers, J. A., Bark beetle conversion of a plant compound to a sexspecific inhibitor of pheromone attraction. Science220 (1983) 624–626.

Byers, J. A., Sex-specific responses to aggregation pheromone: Regulation of colonization density by the bark beetle,Ips paraconfusus. J. chem. Ecol.9 (1983) 129–142.

Byers, J. A., Nearest neighbor analysis and simulation of distribution patterns indicates an attack spacing mechanism in the bark beetle,Ips typographus (Coleoptera: Scolytidae). Envir. Ent.13 (1984) 1191–1200.

Byers, J. A., Interactions of pheromone component odor plumes of western pine beetle. J. chem. Ecol.13 (1987) 2143–2157.

Byers, J. A., Upwind flight orientation to pheromone in western pine beetle tested with rotating windvane traps. J. chem. Ecol.14 (1988) 189–198.

Byers, J. A., Novel diffusion-dilution method for release of semiochemicals: Testing pheromone component ratios on western pine beetle. J. chem. Ecol.14 (1988) 199–212.

Byers, J. A., Behavioral mechanisms involved in reducing competition in bark beetles. Holarct. Ecol. (1989) in press.

Byers, J. A., and Wood, D. L., Interspecific inhibition of the response of the bark beetles,Dendroctonus brevicomis andIps paraconfusus. J. chem. Ecol.6 (1980) 149–164.

Byers, J. A., and Wood, D. L., Interspecific effects of pheromones on the attraction of the bark beetles,Dendroctonus brevicomis andIps paraconfusus in the laboratory. J. chem. Ecol.7 (1981) 9–18.

Byers, J. A., and Wood, D. L., Antibiotic-induced inhibition of pheromone synthesis in a bark beetle. Science213 (1981) 763–764.

Byers, J. A., Anderbrant, O., and Löfqvist, J., Effective attraction radius: A method for comparing species attractants and determining densities of flying insects. J. chem. Ecol.15 (1989) 749–765.

Byers, J. A., Lanne, B. S., and Löfqvist, J., Host-tree unsuitability recognized by pine shoot beetles in flight. Experientia45 (1989) in press.

Byers, J. A., Birgersson, G., Löfqvist, J., and Bergström, G., Synergistic pheromones and monoterpenes enable aggregation and host recognition by a bark beetle,Pityogenes chalcographus. Naturwissenschaften75 (1988) 153–155.

Byers, J. A., Wood, D. L., Craig, J., and Hendry, L. B., Attractive and inhibitory pheromones produced in the bark beetle,Dendroctonus brevicomis, during host colonization: Regulation of inter- and intraspecific competition. J. chem. Ecol.10 (1984) 861–877.

Byers, J. A., Birgersson, G., Löfqvist, J., Appelgren, M., and Bergström, G., Isolation of pheromone synergists of a bark beetle,Pityogenes chalcographus, from complex insect-plant odors by fractionation and subtractive-combination bioassay. J. chem. Ecol. (submitted).

Byers, J. A., Lanne, B. S., Schlyter, F., Löfqvist, J., and Bergström, G., Olfactory recognition of host-tree susceptibility by pine shoot beetles. Naturwissenschaften72 (1985) 324–326.

Byrne, K. J., Swiger, A. A., Silverstein, R. M., Borden, J. H., and Stokkink, E., Sulcatol: population aggregation pheromone inGnathotrichus sulcatus (Coleoptera: Scolytidae). J. Insect Physiol.20 (1974) 1895–1900.

Cade, S. C., Hrutfiord, B. F., and Gara, R. I., Identification of a primary attractant forGnathotrichus sulcatus isolated from western hemlock logs. J. econ. Ent.3 (1970) 1014–1015.

Cardé, R. T., and Baker, T. C., Sexual communication with pheromones, in: Chemical Ecology of Insects, pp. 355–383. Eds W. J. Bell and R. T. Cardé. Sinauer Associates, Sunderland, Mass. 1984.

Choudhury, J. H., and Kennedy, J. S., Light versus pheromonebearing wind in the control of flight direction by bark beetles,Scolytus multistriatus. Physiol. Ent.5 (1980) 207–214.

Coulson, R. N., Population dynamics of bark beetles. A. Rev. Ent.24 (1979) 417–447.

Dickens, J. C., Behavioural and electrophysiological responses of the bark beetleIps typographus to potential pheromone components. Physiol. Ent.6 (1981) 251–261.

Dickens, J. C., Specificity in perception of pheromones and host odours in Coleoptera, in: Mechanisms in Insect Olfaction, pp. 253–261. Eds T. L. Payne, M. C. Birch and C. E. J. Kennedy. Clarendon Press, Oxford 1986.

Dickens, J. C., Payne, T. L., Ryker, L. C., and Rudinsky, J. A., Multiple acceptors for pheromonal enantiomers on single olfactory cells in the Douglas-fir beetle,Dendroctonus pseudotsugae Hopk. (Coleoptera: Scolytidae). J. chem. Ecol.11 (1985) 1359–1370.

Doskotch, R. W., Chatterji, S. K., and Peacock, J. W., Elm bark derived feeding stimulants for the smaller European elm bark beetle. Science167 (1970) 380–382.

Elkinton, J. S., and Wood, D. L., Feeding and boring behavior of the bark beetleIps paraconfusus (Coleoptera: Scolytidae) on the bark of a host and non-host tree species. Can. Ent.112 (1980) 797–809.

Elkinton, J. S., Wood, D. L., and Browne, L. E., Feeding and boring behavior of the bark beetle,Ips paraconfusus, in extracts of ponderosa pine phloem, J. chem. Ecol.7 (1981) 209–220.

Francke, W., and Vité, J. P., Oxygenated terpenes in pheromone systems of bark beetles. Z. angew. Ent.96 (1983) 146–156.

Francke, W., Sauerwein, P., Vité, J. P., and Klimetzek, D., The pheromone bouquet ofIps amitinus. Naturwissenschaften67 (1980) 147–148.

Francke, W., Heemann, V., Gerken, B., Renwick, J. A. A., and Vité, J. P., 2-ethyl-1-6-dioxaspiro[4,4]nonane, principal aggregation pheromone ofPityogenes chalcographus (L.). Naturwissenschaften64 (1977) 590–591.

Furniss, M. M., Baker, B. H., and Hosteler, B. B., Aggregation of spruce beetles (Coleoptera) to seudenol and repression of attraction by methylcyclohexenone in Alaska. Can. Ent.108 (1976) 1297–1302.

Gilbert, B. L., Baker, J. E., and Norris, D. M., Juglone (5-hydroxy-1,4-napthoquinone) fromCarya ovata, a deterrent to feeding byScolytus multistriatus. J. Insect Physiol.13 (1967) 1453–1459.

Goeden, R. D., and Norris, D. M., Attraction ofScolytus quadrispinosus (Coleoptera: Scolytidae) toCarya spp. for oviposition. Ann. ent. Soc. Am.57 (1964) 141–146.

Graham, K., Release by flight exercise of a chemotropic response from photopositive domination in a scolytid beetle. Nature184 (1959) 283–284.

Grégoire, J. C., Braekman, J. C., and Tondeur, A., Chemical communication between the larvae ofDendroctonus micans Kug. (Coleoptera, Scolytidae). Med. Chem. Agis. Comp. Insectes7 (1981) 253–257.

Hedden, R. L., and Gara, R. I., Spatial attack pattern of a western Washington Douglas-fir beetle population. For. Sci.22 (1976) 100–102.

Hodges, J. D., Elam, W. W., Watson, W. R., and Nebeker, T. E., Oleoresin characteristics and susceptibility of four southern pines to southern pine beetle (Coleoptera: Scolytidae) attacks. Can. Ent.111 (1979) 889–896.

Hughes, P. R., Myrcene: a precursor of pheromones inIps beetles. J. Insect Physiol.20 (1974) 1271–1275.

Hunt, D. W. A., Borden, J. H., Pierce, H. D. Jr., Slessor, K. N., King, G. G. S., and Csyzewska, E. K., Sex-specific production of ipsdienol and myrcenol byDendroctonus ponderosae (Coleoptera: Scolytidae) exposed to myrcene vapors. J. chem. Ecol.12 (1986) 1579–1586.

Hynum, B. G., and Berryman, A. A.,Dendroctonus ponderosae (Coleoptera: Scolytidae): pre-aggregation landing and gallery initiation on lodgepole pine. Can. Ent.112 (1980) 185–191.

Kennedy, J. S., Some current issues in orientation to odour sources, in: Mechanisms in Insect Olfaction, pp. 11–25. Eds. T. L. Payne, M. C. Birch and C. E. J. Kennedy. Clarendon Press, Oxford 1986.

Kinzer, G. W., Fentiman, A. F. Jr, Page, T. F., Foltz, R. L., Vité, J. P., and Pitman, G. B., Bark beetle attractants: identification, synthesis and field bioassay of a new compound isolated fromDendroctonus. Nature211 (1969) 475–476.

Kirkendall, L. R., The evolution of mating systems in bark and ambrosia beetles (Coleoptera: Scolytidae and Platypodidae). Zool. J. Linn. Soc.77 (1983) 293–352.

Klimetzek, D., and Francke, W., Relationship between the enantiomeric composition of α-pinene in host trees and the production of verbenols inIps species. Experientia36 (1980) 1343–1345.

Klimetzek, D., Köhler, J., Vité, J. P., and Kohnle, U., Dosage response to ethanol mediates host selection by ‘secondary’ bark beetles. Naturwissenschaften73 (1986) 270–272.

Krebs, C. J., Ecology. Harper and Row, New York 1972.

Lanier, G. N., Integration of visual stimuli, host odorants, and pheromones by bark beetles and weevils in locating and colonizing host trees, in: Herbivorous Insects: Host-Seeking Behavior and Mechanisms, pp. 161–171. Ed. S. Ahmad. Academic Press, New York 1983.

Lanier, G. N., Classon, A., Stewart, T., Piston, J. J., and Silverstein, R. M.,Ips pini: the basis for interpopulational differences in pheromone biology. J. chem. Ecol.6 (1980) 677–687.

Lanne, B. S., Schlyter, F., Byers, J. A., Löfqvist, J., Leufvén, A., Bergström, G., Van Der Pers, J. N. C., Unelius, R., Baeckström, P., and Norin, T., Differences in attraction to semiochemicals present in sympatric pine shoot beetles,Tomicus minor andT. piniperda. J. chem. Ecol.13 (1987) 1045–1067.

Leufvén, A., and Birgersson, G., Quantitative variation of different monoterpenes around galleries ofIps typographus (Coleoptera: Scolytidae) attacking Norway spruce. Can. J. Bot.65 (1987) 1038–1044.

Leufvén, A., Bergström, G., and Falsen, E., Interconversion of verbenols and verbenone by identified yeasts isolated from the spruce bark beetleIps typographus. J. chem. Ecol.10 (1984) 1349–1361.

Libbey, L. M., Morgan, M. E., Putnam, T. B., and Rudinsky, J. A., Isomer of antiaggregative pheromone identified from male Douglasfir beetle: 3-methylcyclohexen-1-one. J. Insect Physiol.22 (1976) 871–873.

Light, D. M., and Birch, M. C., Inhibition of the attractive pheromone response inIps paraconfusus by (R)-(−)-ipsdienol. Naturwissenschaften66 (1979) 159.

Light, D. M., and Birch, M. C., Bark beetle enantiomeric chemoreception: Greater sensitivity to allomone than pheromone. Naturwissenschaften69 (1982) 243–245.

Lorio, P. L. Jr, and Hodges, J. D., Oleoresin exudation pressure and relative water content of inner bark as indicators of moisture stress in loblolly pines. For. Sci.14 (1968) 392–398.

MacConnell, J. G., Borden, J. H., Silverstein, R. M., and Stokkink, E., Isolation and tentative identification of lineatin, a pheromone from the frass ofTrypodendron lineatum (Coleoptera: Scolytidae). J. chem. Ecol.3 (1977) 549–561.

Mayyasi, A. M., Coulson, R. N., Foltz, J. L., Hain, F. P., and Martin, W. C., Functional description of within-tree larval and progeny adult populations ofDendroctonus frontalis (Coleoptera: Scolytidae). Can. Ent.108 (1976) 363–372.

Miller, J. M., and Keen, F. P., Biology and control of the western pine beetle. U.S. Dept. Agric. Misc. Publ. No. 800.

Moeck, H. A., Ethanol as the primary attractant for the ambrosia beetleTrypodendron lineatum (Coleoptera: Scolytidae). Can. Ent.102 (1970) 985–995.

Moeck, H. A., Field test for the primary attraction of the spruce beetle. Envir. Can. For. Serv. Bi-mon. Res. Notes34 (1978) 8.

Moeck, H. A., Wood, D. L., and Lindahl, K. Q. Jr., Host selection behavior of bark beetles (Coleoptera: Scolytidae) attackingPinus ponderosa, with special emphasis on the western pine beetle,Dendroctonus brevicomis. J. chem. Ecol.7 (1981) 49–83.

Murlis, J., The structure of odour plumes, in: Mechanisms in Insect Olfaction, pp. 27–38. Eds T. L. Payne, M. C. Birch and C. E. J. Kennedy. Clarendon Press, Oxford 1986.

Mustaparta, H., Angst, M. E., and Lanier, G. N., Receptor discrimination of enantiomers of the aggregation pheromone ipsdienol, in two species ofIps. J. chem. Ecol.6 (1980) 689–701.

Mustaparta, H., Tommerås, B. Å., Baeckström, P., Bakke, J. M., and Ohloff, G., Ipsdienol-specific receptor cells in bark beetles: Structure-activity relationships of deuterium-labelled ipsdienol. J. comp. Physiol.154 (1984) 591–595.

Nilssen, A. C., Spatial attack pattern of the bark beetleTomicus piniperda L. (Col., Scolytidae). Norw. J. Ent.25 (1978) 171–175.

Norris, D. M., Role of repellents and deterrents in feeding ofScolytus multistriatus. in: Host Plant Resistance to Pests, 215–230. Ed P. A. Hedin. Am. chem. Symp. Ser. No. 63, 1977.

Paine, T. D., Birch, M. C., and Svihra, P., Niche breadth and resource partitioning by 4 sympatric species of bark beetles. Oecologia48 (1981) 1–6.

Payne, T. L., Pheromone and host odor perception in bark beetles, in: Neurotoxicology of Insecticides and Pheromones, pp. 27–57. Ed. T. Narahashi. Plenum, New York 1979.

Payne, T. L., and Dickens, J. C., Adaptation to determine receptor system specificity in insect olfactory communication. J. Insect Physiol.22 (1976) 1569–1572.

Payne, T. L., Klimetzek, D., Kohnle, U., and Mori, K., Electrophysiological and field responses ofTrypodendron-spp to enantiomers of lineatin. Z. angew. Ent.95 (1983) 272–276.

Payne, T. L., Richerson, J. V., Dickens, J. C., West, J. R., Mori, K., Berisford, C. W., Hedden, R. L., Vité, J. P., and Blum, M. S., Southern pine beetle: Olfactory receptor and behavior discrimination of enantiomers of the attractant pheromone frontalin. J. chem. Ecol.8 (1982) 873–881.

Peacock, J. W., Lincoln, C. L., Simeone, J. B., and Silverstein, R. M., Attraction ofScolytus multistriatus (Coleoptera: Scolytidae) to a virgin-female-produced pheromone in the field. Ann. ent. Soc. Am.64 (1971) 1143–1149.

Pearce, G. T., Gore, W. E., Silverstein, R. M., Peacock, J. W., Cuthbert, R. A., Lanier, G. N., and Simeone, J. B., Chemical attractants for the smaller European elm bark beetle,Scolytus multistriatus (Coleoptera: Scolytidae). J. chem. Ecol.1 (1975) 115–124.

Peschke, K., Cuticular hydrocarbons regulate mate recognition, male aggression, and female choice of the rove beetle,Aleochara curtula. J. chem. Ecol.13 (1987) 1993–2008.

Pitman, G. B., and Vité, J. P., Biosynthesis of methylcyclohexenone by male Douglas-fir beetle. Envir. Ent.3 (1974) 886–887.

Pitman, G. B., Vité, J. P., Kinzer, G. W., and Fentiman, A. F. Jr, Bark beetle attractants:trans-verbenol isolated fromDendroctonus. Nature218 (1968) 168–169.

Raffa, K. F., and Berryman, A. A., Physiological aspects of lodgepole pine wound responses to a fungal symbiont of the mountain pine beetle,Dendroctonus ponderosae (Coleoptera: Scolytidae). Can. Ent.115 (1983) 723–734.

Renwick, J. A. A., and Vité, J. P., Systems of chemical communication inDendroctonus. Contr. Boyce Thompson Inst.24 (1970) 283–292.

Renwick, J. A. A., Hughes, P. R., and Krull, I. S., Selective production ofcis- andtrans-verbenol from (−)- and (+)-α-pinene by a bark beetle. Science191 (1976) 199–201.

Renwick, J. A. A., and Dickens, J. C., Control of pheromone production in the bark beetle,Ips cembrae. Physiol. Ent.4 (1979) 377–381.

Rudinsky, J. A., Multiple functions of the Douglas-fir beetle pheromone, 3-methyl-2-cyclohexen-1-one. Envir. Ent.2 (1973) 579–585.

Rudinsky, J. A., and Michael, R. R., Sound production in Scolytidae: Stridulation by femaleDendroctonus beetles. J. Insect Physiol.19 (1973) 689–705.

Rudinsky, J. A., and Ryker, L. C., Sound production in Scolytidae: rivalry and premating stridulation of male Douglas-fir beetle. J. Insect Physiol.22 (1976) 997–1003.

Rudinsky, J. A., Morgan, M. E., Libbey, L. M., and Michael, R. R., Sound production in Scolytidae: 3-methyl-2-cyclohexen-1-one released by the female Douglas-fir beetle in response to male sonic signal. Envir. Ent.2 (1973) 505–509.

Rudinsky, J. A., Morgan, M. E., Libbey, L. M., and Putnam, T. B., Additional components of the Douglas-fir beetle (Col., Scolytidae) aggregative pheromone and their possible utility in pest control. Z. angew. Ent.76 (1974) 65–77.

Ryker, L. C., Acoustic and chemical signals in the life cycle of a beetle. Sci. Am.250 (1984) 112–115, 118–123, 154.

Safranyil, L., and Vithayasai, C., Some characteristics of the spatial arrangement of attacks by the mountain pine beetle,Dendroctonus ponderosae (Coleoptera: Scolytidae), on lodgepole pine. Can. Ent.103 (1971) 1607–1625.

Schlyter, F., Birgersson, G., and Leufvén, A., Inhibition of attraction to aggregation pheromone by verbenone, ipsenol and ipsdienol: Density regulation mechanisms in the bark beetleIps typographus. J. chem. Ecol. (1989) in press.

Schlyter, F., Byers, J. A., and Löfqvist, J. A., Attraction to pheromone sources of different quantity, quality and spacing: Densityregulation mechanisms in the bark beetleIps typographus. J. chem. Ecol.13 (1987) 1503–1523.

Schlyter, F., Löfqvist, J., and Byers, J. A., Behavioural sequence in the attraction of the bark beetleIps typographus to pheromone sources. Physiol. Ent.12 (1987) 185–196.

Schlyter, F., Birgersson, G., Byers, J. A., Löfqvist, J., and Bergström, G., Response of spruce bark beetle,Ips typographus, to aggregation pheromone candidates. J. chem. Ecol.13 (1987) 701–716.

Schurig, V., and Weber, R., Use of glass and fused-silica open tubular columns for the separation of structural, configurational and optical isomers by selective complexation gas chromatography. J. Chromat.289 (1984) 321–332.

Shepherd, R. F., Distribution of attacks byDendroctonus ponderosae Hopk. onPinus contorta Dougl. var.latifolia Engelm. Can. Ent.97 (1965) 207–215.

Shrimpton, D. M., Resistance of lodgepole pine to mountain pine beetle infestation, in: Theory and Practice of Mountain Pine Beetle Management in Lodgepole Pine Forests, pp. 64–76. Forest, Wildlife and Range Esp. Sta., Univ. Idaho, Moscow, Idaho 1978.

Silverstein, R. M., Rodin, J. O., and Wood, D. L., Sex attractants in frass produced by maleIps confusus in ponderosa pine. Science154 (1966) 509–510.

Silverstein, R. M., Rodin, J. O., and Wood, D. L., Methodology for isolation and identification of insect pheromones with reference to studies on California five-spinedIps. J. econ. Ent.60 (1967) 944–949.

Silverstein, R. M., Rodin, J. O., Wood, D. L., and Browne, L. E., Identification of two new terpene alcohols from frass produced byIps confusus in ponderosa pine. Tetrahedron22 (1966) 1929–1936.

Silverstein, R. M., Brownlee, R. G., Bellas, T. E., Wood, D. L., and Browne, L. E., Brevicomin: Principal sex attractant in the frass of the female western pine beetle. Science159 (1968) 889–891.

Slessor, K. N., King, G. G. S., Miller, D. R., Winston, M. L., and Cutforth, T. L., Determination of chirality of alcohol or latent alcohol semiochemicals in individual insects. J. chem. Ecol.11 (1985) 1659–1667.

Smith, R. H., The fumigant toxicity of three pine resins toDendroctonus brevicomis andD. jeffrei. J. econ. Ent.54 (1961) 365–369.

Smith, H., Variation in the monoterpenes ofPinus ponderosa Laws. Science143 (1964) 1337–1338.

Smith, R. H., Local and regional variation in the monoterpenes of ponderosa pine xylem resin. USDA For. Ser. Res. Pap. PSW-56 (1969) 1–10.

Stephen, F. M., and Dahlsten, D. L., The arrival sequence of the arthropod complex following attack byDendroctonus brevicomis (Coleoptera: Scolytidae) in ponderosa pine. Can. Ent.108 (1976) 283–304.

Sturgeon, K. B., Monoterpene variation in ponderosa pine xylem resin related to western pine beetle predation. Evolution33 (1979) 803–814.

Svihra, P., Paine, T. D., and Birch, M. C., Interspecific olfactory communications in southern pine beetles. Naturwissenschaften67 (1980) 518.

Tommerås, B. Å., Mustaparta, H., and Grégoire, J. C., Receptor cells inIps typographus andDendroctonus micans specific to pheromones of the reciprocal genus. J. chem. Ecol.10 (1984) 759–769.

Vanderwel, D., and Oehlschlager, A. C., Biosynthesis of pheromones and endocrine regulation of pheromone production in Coleoptera, in: Pheromone Biochemistry, pp. 175–215. Eds G. D. Prestwich and G. J. Blomquist. Academic Press, New York 1987.

Vité, J. P., and Gara, R. I., Volatile attractants from ponderosa pine attacked by bark beetles (Coleoptera: Scolytidae). Contr. Boyce Thompson Inst.21 (1962) 251–273.

Vité, J. P., and Williamson, D. L.,Thanasimus dubius: prey perception. J. Insect Physiol.16 (1970) 233–239.

Vité, J. P., and Wood, D. L., A study on the applicability of the measurement of oleoresin exudation pressure in determining susceptibility of second growth ponderosa pine to bark beetle infestation. Contr. Boyce Thompson Inst.21 (1961) 67–78.

Vité, J. P., Bakke, A., and Renwick, J. A. A., Pheromones inIps (Coleoptera: Scolytidae): Occurrence and production. Can. Ent.104 (1972) 1967–1975.

Vité, J. P., Hedden, R., and Mori, K.,Ips grandicollis: field response to the optically pure pheromone. Naturwissenschaften63 (1976) 43–44.

Vité, J. P., Ohloff, C., and Billings, R. F., Pheromone chirality and integrity of aggregation response in southern species of the bark beetle,Ips sp. Nature272 (1978) 817–818.

Vité, J. P., Pitman, G. B., Fentiman, A. F. Jr, and Kinzer, G. W., 3-Methyl-2-cyclohexen-1-ol isolated fromDendroctonus. Naturwissenschaften59 (1972) 469.

Wood, D. L., Selection and colonization of ponderosa pine by bark beetles, in: Insect Plant Relationships, pp. 101–117. Ed. H. F. van Emden. Blackwell Sci. Pub., London 1972.

Wood, D. L., The role of pheromones, kairomones, and allomones in the host selection and colonization behavior of bark beetles. A. Rev. Ent.27 (1982) 411–446.

Wood, D. L., Akers, R. P., Owen, D. R., and Parmeter, J. R. Jr, The behaviour of bark beetles colonizing ponderosa pine, in: Insects and the Plant Surface, pp. 91–104. Eds Juniper and Southwood. Arnold Publ., London 1986.

Wood, D. L., Browne, L. E., Silverstein, R. M., and Rodin, J. O., Sex pheromones of bark beetles — I. Mass production, bioassay, source, and isolation of the sex pheromone ofIps confusus (LeC.). J. Insect Physiol.12 (1966) 523–536.

Wood, D. L., Stark, R. W., Silverstein, R. M., and Rodin, J. O., Unique synergistic effects produced by the principal sex attractant compounds ofIps confusus (LeConte) (Coleoptera: Scolytidae). Nature215 (1967) 206.

Wood, D. L., Browne, L. E., Ewing, B., Lindahl, K., Bedard, W. D., Tilden, P. E., Mori, K., Pitman, G. B., and Hughes, P. R., Western pine beetle: specificity among enantiomers of male and female components of an attractant pheromone. Science192 (1976) 896–898.

Wood, S. L., The bark and ambrosia beetles of North and Central America (Coleoptera: Scolytidae), a taxonomic monograph. Great Basin Naturalist Memoirs, Brigham Young Univ., Provo, Utah 1982.