All Stories

  1. Semiochemicals produced by fungal bark beetle symbiont Endoconidiophora rufipennis and the discovery of an anti-attractant for Ips typographus

    Article • PLOS One, April 2023, PLOS

    Professor C. Rikard Unelius

  2. Linoleic Acid Promotes Emission of Bark Beetle Semiochemicals by Fungal Symbionts

    Article • Journal of Chemical Ecology, December 2022, Springer Science + Business Media

    Professor C. Rikard Unelius

  3. Linoleic Acid Promotes Production of Bark Beetle Semiochemicals in Fungal Symbionts

    Article • July 2022, Authorea, Inc.

    Professor C. Rikard Unelius

  4. Anti‐attractant activity of (+)‐ trans ‐4‐thujanol for Eurasian spruce bark beetle Ips typographus : Novel potency for females

    Article • Pest Management Science, February 2022, Wiley

    Professor C. Rikard Unelius

  5. Chemoenzymatic Dynamic Kinetic Asymmetric Transformations of β‐Hydroxyketones

    Article • Chemistry - A European Journal, October 2021, Wiley

    Professor C. Rikard Unelius

  6. Feeding Volatiles of Larval Sparganothis pilleriana (Lepidoptera: Tortricidae) Attract Heterospecific Adults of the European Grapevine Moth

    Article • Environmental Entomology, September 2021, Oxford University Press (OUP)

    Professor C. Rikard Unelius

  7. Effects of Methyl Salicylate on Host Plant Acceptance and Feeding by the Aphid Rhopalosiphum padi

    Article • Frontiers in Plant Science, August 2021, Frontiers

    Professor C. Rikard Unelius

  8. Diffusible signal factor signaling controls bioleaching activity and niche protection in the acidophilic, mineral-oxidizing leptospirilli

    Article • Scientific Reports, August 2021, Springer Science + Business Media

    Professor C. Rikard Unelius

  9. Functional Evolution of a Bark Beetle Odorant Receptor Clade Detecting Monoterpenoids of Different Ecological Origins

    Article • Molecular Biology and Evolution, July 2021, Oxford University Press (OUP)

    Professor C. Rikard Unelius

  10. Functional evolution of a bark beetle odorant receptor clade detecting monoterpenoids of different ecological origins

    Article • December 2020, Cold Spring Harbor Laboratory Press

    Professor C. Rikard Unelius

  11. Asymmetric Synthesis of Oxygenated Monoterpenoids of Importance for Bark Beetle Ecology

    Article • Journal of Natural Products, November 2020, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  12. Odorant receptor phylogeny confirms conserved channels for sex pheromone and host plant signals in tortricid moths

    Article • Ecology and Evolution, June 2020, Wiley

    Professor C. Rikard Unelius

  13. Olfactory receptor phylogeny reveals conserved channels for sex pheromone and host plant signals in tortricid moths

    Article • February 2020, Wiley

    Professor C. Rikard Unelius

  14. Lucerne weevil olfaction detects pheromones and plant odours

    Article • Journal of Chemical Ecology, February 2020, Springer Science + Business Media

    Professor C. Rikard Unelius, Professor David Maxwell Suckling

  15. Foraging niche separation of social wasps in an invaded area: Implications for their management

    Article • Journal of Applied Entomology, October 2019, Wiley

    Professor C. Rikard Unelius

  16. Styrene, (+)-trans-(1R,4S,5S)-4-Thujanol and Oxygenated Monoterpenes Related to Host Stress Elicit Strong Electrophysiological Responses in the Bark Beetle Ips typographus

    Article • Journal of Chemical Ecology, May 2019, Springer Science + Business Media

    Professor C. Rikard Unelius

  17. Convergent evolution of semiochemicals across Kingdoms: bark beetles and their fungal symbionts

    Article • The ISME Journal, February 2019, Springer Science + Business Media

    Professor C. Rikard Unelius

  18. Honeybee honey attracts bumblebees

    Article • Journal of Agricultural and Food Chemistry, November 2018, American Chemical Society (ACS)

    Professor C. Rikard Unelius, Professor David Maxwell Suckling

  19. Comparison of Phenylacetates with Benzoates and Phenylpropanoates as Antifeedants for the Pine Weevil, Hylobius abietis

    Article • Journal of Agricultural and Food Chemistry, October 2018, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  20. Reverse chemical ecology-based approach leading to the accidental discovery of repellents for Rhodnius prolixus, a vector of Chagas diseases refractory to DEET

    Article • Insect Biochemistry and Molecular Biology, October 2018, Elsevier

    Professor C. Rikard Unelius

  21. Attraction of Rhodnius prolixus males to a synthetic female-pheromone blend

    Article • Parasites & Vectors, July 2018, Springer Science + Business Media

    Professor C. Rikard Unelius

  22. Dose reduction and alternatives to the pheromone for grass grub IPM.

    Article • Pest Management Science, June 2017, Wiley

    Professor C. Rikard Unelius, Professor David Maxwell Suckling

  23. N -Iodosuccinimide (NIS) in Direct Aromatic Iodination

    Article • European Journal of Organic Chemistry, May 2017, Wiley

    Professor C. Rikard Unelius

  24. Practical one-pot stereospecific preparation of vicinal and 1,3-diols

    Article • Tetrahedron Letters, January 2017, Elsevier

    Professor C. Rikard Unelius

  25. Sex in the grass grub - the bacteria is the middle man !

    Article • The Science of Nature, June 2016, Springer Science + Business Media

    Professor David Maxwell Suckling, Professor C. Rikard Unelius

  26. Invasive Vespula Wasps Utilize Kairomones to Exploit Honeydew Produced by Sooty Scale Insects, Ultracoelostoma

    Article • Journal of Chemical Ecology, October 2015, Springer Science + Business Media

    Ashraf El-Sayed, Professor David Maxwell Suckling, Professor C. Rikard Unelius

  27. Wasps prefer a Smorgasbord

    Article • Pest Management Science, June 2015, Wiley

    Professor C. Rikard Unelius, Professor David Maxwell Suckling, Ashraf El-Sayed

  28. Pheromone races of Cydia splendana (Lepidoptera, Tortricidae) overlap in host plant association and geographic distribution

    Article • Frontiers in Ecology and Evolution, August 2014, Frontiers

    Professor C. Rikard Unelius

  29. Volatiles in fermented brown sugar attract wasps

    Article • Entomologia Experimentalis et Applicata, April 2014, Wiley

    Professor C. Rikard Unelius, Professor David Maxwell Suckling, Ashraf El-Sayed

  30. Attractiveness of Fermentation and Related Products to Spotted Wing Drosophila (Diptera: Drosophilidae)

    Article • Environmental Entomology, April 2014, Oxford University Press (OUP)

    Professor C. Rikard Unelius, Professor David Maxwell Suckling

  31. Non-Host Volatile Blend Optimization for Forest Protection against the European Spruce Bark Beetle, Ips typographus

    Article • PLOS One, January 2014, PLOS

    Professor C. Rikard Unelius

  32. Volatiles from green-lipped mussel as a lead to vespid wasp attractants

    Article • Journal of Applied Entomology, December 2013, Wiley

    Professor C. Rikard Unelius

  33. Characterization of olfactory receptor neurons for pheromone candidate and plant volatile compounds in the clover root weevil, Sitona lepidus

    Article • Journal of Insect Physiology, December 2013, Elsevier

    Professor C. Rikard Unelius, Professor David Maxwell Suckling

  34. Identification and electrophysiological studies of (4S,5S)-5-hydroxy-4-methyl-3-heptanone and 4-methyl-3,5-heptanedione in male lucerne weevils

    Article • The Science of Nature, December 2012, Springer Science + Business Media

    Professor C. Rikard Unelius, Professor David Maxwell Suckling

  35. Structure Elucidation and Synthesis of Dioxolanes Emitted by TwoTriatomaSpecies (Hemiptera: Reduviidae)

    Article • Journal of Natural Products, April 2011, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  36. Semiochemical diversity diverts bark beetle attacks from Norway spruce edges

    Article • Journal of Applied Entomology, March 2011, Wiley

    Professor C. Rikard Unelius

  37. The Absolute Configuration of the Sex Pheromone of the Citrophilous Mealybug, Pseudococcus calceolariae

    Article • Journal of Chemical Ecology, January 2011, Springer Science + Business Media

    Professor C. Rikard Unelius, Ashraf El-Sayed

  38. (4S,5S)-2,2,4-Triethyl-5-methyl-1,3-dioxolane: A New Volatile Released by a Triatomine Bug

    Article • Organic Letters, November 2010, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  39. ChemInform Abstract: Convenient Method for the Synthesis of Lineatin (I), a Pheromone Component of Trypodendron lineatum.

    Article • ChemInform, August 2010, Wiley

    Professor C. Rikard Unelius

  40. ChemInform Abstract: Synthesis of Carbocyclic Nucleoside Analogues by Palladium-Mediated Coupling.

    Article • ChemInform, August 2010, Wiley

    Professor C. Rikard Unelius

  41. ChemInform Abstract: Kinetic Resolution of Chiral Auxiliaries with C2-Symmetry by Lipase- Catalyzed Alcoholysis and Aminolysis.

    Article • ChemInform, August 2010, Wiley

    Professor C. Rikard Unelius

  42. ChemInform Abstract: Synthesis and Characterization of the Four Geometrical Isomers of 3,5-Dodecadienyl Acetate.

    Article • ChemInform, June 2010, Wiley

    Professor C. Rikard Unelius

  43. ChemInform Abstract: Enantioselective Preparation of the Stereoisomers of 4-Methylheptan-3-ol Using Candida antarctica Lipase B.

    Article • ChemInform, June 2010, Wiley

    Professor C. Rikard Unelius

  44. Preparation, characterization and application of a stationary chromatographic phase from a new (+)-tartaric acid derivative

    Article • Tetrahedron Letters, April 2010, Elsevier

    Professor C. Rikard Unelius

  45. Corrigendum to “Chrysanthemyl 2-acetoxy-3-methylbutanoate: the sex pheromone of the citrophilous mealybug, Pseudococcus calceolariae” [Tetrahedron Lett. 51 (2010) 1075]

    Article • Tetrahedron Letters, April 2010, Elsevier

    Professor C. Rikard Unelius, Professor David Maxwell Suckling, Ashraf El-Sayed

  46. Pheromone of the elm bark beetle Scolytus laevis (Coleoptera: Scolytidae): stereoisomers of 4-methyl-3-heptanol reduce interspecific competition

    Article • Chemoecology, February 2010, Springer Science + Business Media

    Professor C. Rikard Unelius

  47. Chrysanthemyl 2-acetoxy-3-methylbutanoate: the sex pheromone of the citrophilous mealybug, Pseudococcus calceolariae

    Article • Tetrahedron Letters, February 2010, Elsevier

    Professor C. Rikard Unelius, Ashraf El-Sayed, Professor David Maxwell Suckling

  48. Synthesis of all four stereoisomers of 5-hydroxy-4-methyl-3-heptanone using plants and oyster mushrooms

    Article • Tetrahedron, October 2009, Elsevier

    Professor C. Rikard Unelius

  49. Behavioral and Electrophysiological Responses of Triatoma brasiliensis Males to Volatiles Produced in the Metasternal Glands of Females

    Article • Journal of Chemical Ecology, October 2009, Springer Science + Business Media

    Professor C. Rikard Unelius

  50. Pheromone communication channels in tortricid moths: lower specificity of alcohol vs. acetate geometric isomer blends

    Article • Bulletin of Entomological Research, July 2009, Cambridge University Press

    Professor C. Rikard Unelius

  51. Attraction and antennal response of the common wasp, Vespula vulgaris (L.), to selected synthetic chemicals in New Zealand beech forests

    Article • Pest Management Science, May 2009, Wiley

    Professor C. Rikard Unelius, Ashraf El-Sayed, Professor David Maxwell Suckling

  52. Vegetables as biocatalysts in stereoselective hydrolysis of labile organic compounds

    Article • Green Chemistry, January 2009, Royal Society of Chemistry

    Professor C. Rikard Unelius

  53. Asymmetric Synthesis of Iridoid Derivatives Using Resolved 2-Phenylindoline as a Chiral Auxiliary

    Article • European Journal of Organic Chemistry, December 2008, Wiley

    Professor C. Rikard Unelius

  54. Metasternal Gland Volatiles and Sexual Communication in the Triatomine Bug, Rhodnius prolixus

    Article • Journal of Chemical Ecology, March 2008, Springer Science + Business Media

    Professor C. Rikard Unelius

  55. Structure–Activity Relationships of Phenylpropanoids as Antifeedants for the Pine Weevil Hylobius abietis

    Article • Journal of Chemical Ecology, February 2008, Springer Science + Business Media

    Professor C. Rikard Unelius

  56. Semiochemicals related to the aphid Cinara pilicornis and its host, Picea abies: A method to assign nepetalactone diastereomers

    Article • Journal of Chromatography A, February 2008, Elsevier

    Professor C. Rikard Unelius

  57. Quantitative Structure–Activity Relationships of Pine Weevil Antifeedants, a Multivariate Approach

    Article • Journal of Agricultural and Food Chemistry, November 2007, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  58. (11Z,13E)-Hexadecadien-1-yl Acetate: Sex Pheromone of the Grass Webworm Herpetogramma licarsisalis—Identification, Synthesis, and Field Bioassays

    Article • Journal of Chemical Ecology, March 2007, Springer Science + Business Media

    Professor C. Rikard Unelius, Professor David Maxwell Suckling, Ashraf El-Sayed

  59. Structure–Activity Relationships of Benzoic Acid Derivatives as Antifeedants for the Pine Weevil, Hylobius abietis

    Article • Journal of Chemical Ecology, September 2006, Springer Science + Business Media

    Professor C. Rikard Unelius

  60. Chemical Communication in Chagas Disease Vectors. Source, Identity, and Potential Function of Volatiles Released by the Metasternal and Brindley's Glands of Triatoma infestans Adults

    Article • Journal of Chemical Ecology, August 2006, Springer Science + Business Media

    Professor C. Rikard Unelius

  61. Antifeedants in the Feces of the Pine Weevil Hylobius abietis: Identification and Biological Activity

    Article • Journal of Chemical Ecology, May 2006, Springer Science + Business Media

    Professor C. Rikard Unelius

  62. Sex pheromone of a North American population of the spotted tentiform leafminer, Phyllonorycter blancardella

    Article • Entomologia Experimentalis et Applicata, July 2005, Wiley

    Professor C. Rikard Unelius, Ashraf El-Sayed

  63. Simplified Isolation Procedure and Interconversion of the Diastereomers of Nepetalactone and Nepetalactol

    Article • Journal of Natural Products, June 2005, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  64. Synthesis, NMR conformational studies and host–guest behaviour of new (+)-tartaric acid derivatives

    Article • Tetrahedron Asymmetry, February 2005, Elsevier

    Professor C. Rikard Unelius

  65. Synthesis and Field Tests of Sex Pheromone Components of the Leafroller Argyrotaenia sphaleropa

    Article • Zeitschrift für Naturforschung C, October 2004, De Gruyter

    Professor C. Rikard Unelius

  66. Relative Attractiveness of (10E)-Dodecen-1-yl Acetate and (4E,10E)-Dodecadien-1-yl Acetate to Male Spotted Tentiform Leafminers Phyllonorycter blancardella (F.)

    Article • Journal of Chemical Ecology, September 2004, Springer Science + Business Media

    Professor C. Rikard Unelius

  67. Geographic Variation in Pheromone Chemistry, Antennal Electrophysiology, and Pheromone-Mediated Trap Catch of North American Populations of the Obliquebanded Leafroller

    Article • Environmental Entomology, June 2003, Oxford University Press (OUP)

    Professor C. Rikard Unelius, Ashraf El-Sayed

  68. Electrophysiological Studies and Identification of Possible Sex Pheromone Components of Brazilian Populations of the Sugarcane Borer, Diatraea saccharalis

    Article • Zeitschrift für Naturforschung C, August 2002, De Gruyter

    Professor C. Rikard Unelius

  69. Identification, Syntheses, and Characterization of the Geometric Isomers of 9,11-Hexadecadienal from Female Pheromone Glands of the Sugar Cane Borer Diatraea saccharalis

    Article • Journal of Natural Products, June 2002, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  70. Resolution of an Iridoid Synthon, Gastrolactol, by Means of Dynamic Acetylation and Lipase-Catalyzed Alcoholysis

    Article • The Journal of Organic Chemistry, August 2001, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  71. Flight and Molecular Modeling Study on the Response of Codling Moth, Cydia pomonella (Lepidoptera: Tortricidae) to (E,E)-8,10-Dodecadien-1-ol and Its Geometrical Isomers

    Article • Zeitschrift für Naturforschung C, December 2000, De Gruyter

    Professor C. Rikard Unelius, Ashraf El-Sayed

  72. Antennal response of codling moth males, Cydia pomonella L. (Lepidoptera: Tortricidae), to the geometric isomers of codlemone and codlemone acetate

    Article • Journal of Comparative Physiology A, June 2000, Springer Science + Business Media

    Professor C. Rikard Unelius

  73. Reidentification of the female sex pheromone of the Indian meal moth, Plodia interpunctella: evidence for a four-component pheromone blend

    Article • Entomologia Experimentalis et Applicata, August 1999, Wiley

    Professor C. Rikard Unelius

  74. Sex Pheromone of the Brazilian Apple Leafroller, Bonagota cranaodes Meyrick (Lepidoptera, Tortricidae)

    Article • Zeitschrift für Naturforschung C, August 1999, De Gruyter

    Professor C. Rikard Unelius

  75. Effect of Codlemone Isomers on Codling Moth (Lepidoptera: Tortricidae) Male Attraction

    Article • Environmental Entomology, October 1998, Oxford University Press (OUP)

    Professor C. Rikard Unelius

  76. Enantioselective Preparation of the Stereoisomersof 4-Methylheptan-3-ol Using Candida antarctica Lipase B

    Article • Collection of Czechoslovak Chemical Communications, January 1998, Institute of Organic Chemistry & Biochemistry

    Professor C. Rikard Unelius

  77. Synthesis and Characterization of the Four Geometrical Isomers of 3,5-Dodecadienyl Acetate.

    Article • Acta Chemica Scandinavica, January 1998, Danish Chemical Society

    Professor C. Rikard Unelius

  78. Inhibition of tumor cell growth by monoterpenes in vitro: evidence of a Ras-independent mechanism of action

    Article • Anti-Cancer Drugs, June 1996, Wolters Kluwer Health

    Professor C. Rikard Unelius

  79. Floral fragrance chemistry in the early flowering shrub Daphne mezereum

    Article • Phytochemistry, April 1996, Elsevier

    Professor C. Rikard Unelius

  80. Sex pheromones and attractants in the Eucosmini and Grapholitini (Lepidoptera, Tortricidae)

    Article • Chemoecology, March 1996, Springer Science + Business Media

    Professor C. Rikard Unelius

  81. Identification and synthesis of the sex pheromone of Phtheochroa cranaodes (Lepidoptera: Tortricidae)

    Article • Tetrahedron Letters, February 1996, Elsevier

    Professor C. Rikard Unelius

  82. Potential of a blend of E8,E10-120H and E8,E10-12Ac for mating disruption of codling moth,Cydia pomonellaL. (Lep., Tortricidae)

    Article • Journal of Applied Entomology, January 1996, Wiley

    Professor C. Rikard Unelius

  83. Kinetic Resolution of Chiral Auxiliaries with C2-Symmetry by Lipase-Catalyzed Alcoholysis and Aminolysis.

    Article • Acta Chemica Scandinavica, January 1996, Danish Chemical Society

    Professor C. Rikard Unelius

  84. A Short Synthesis of Gastrolactone

    Article • Natural Product Letters, August 1994, Taylor & Francis

    Professor C. Rikard Unelius

  85. Dimethyl oligosulphides, major volatiles released from Sauromatum guttatum and Phallus impudicus

    Article • Phytochemistry, January 1994, Elsevier

    Professor C. Rikard Unelius

  86. Attraction of pea mothCydia nigricana F. (Lepidoptera: Tortricidae) to female sex pheromone (E,E)-8,10-dodecadien-1-YL acetate, is inhibited by geometric isomersE,Z, Z,E, andZ,Z

    Article • Journal of Chemical Ecology, September 1993, Springer Science + Business Media

    Professor C. Rikard Unelius

  87. Enantiomeric composition of monoterpene hydrocarbons from the liverwort Conocephalum conicum

    Article • Phytochemistry, September 1992, Elsevier

    Professor C. Rikard Unelius

  88. Synthesis of Carbocyclic Nucleoside Analogues by Palladium-Mediated Coupling.

    Article • Acta Chemica Scandinavica, January 1992, Danish Chemical Society

    Professor C. Rikard Unelius

  89. Convenient method for the synthesis of lineatin, a pheromone component of Trypodendron lineatum

    Article • The Journal of Organic Chemistry, May 1991, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  90. Cold acclimation induces desensitization to adenosine in brown fat cells without changing receptor binding

    Article • AJP Cell Physiology, May 1990, American Physiological Society

    Professor C. Rikard Unelius

  91. Selectivity in Diimide Reductions of Conjugated Enynes.

    Article • Acta Chemica Scandinavica, January 1990, Danish Chemical Society

    Professor C. Rikard Unelius

  92. Structure-activity studies on aggregation pheromone components ofPityogenes chalcographus (Coleoptera: Scolytidae)

    Article • Journal of Chemical Ecology, February 1989, Springer Science + Business Media

    Professor C. Rikard Unelius

  93. Synthesis and characterization of all four isomers of methyl 2,4-decadienoate for an investigation of the pheromone components of Pityogenes chaicographus

    Article • Tetrahedron, January 1988, Elsevier

    Professor C. Rikard Unelius

  94. Differences in attraction to semiochemicals present in sympatric pine shoot beetles,Tomicus minor andT. piniperda

    Article • Journal of Chemical Ecology, May 1987, Springer Science + Business Media

    Professor C. Rikard Unelius

  95. A stereospecific synthesis of all four isomers of 9,11-tetradecadienyl acetate using a general method applicable to 1,3-dienes

    Article • The Journal of Organic Chemistry, January 1987, American Chemical Society (ACS)

    Professor C. Rikard Unelius

  96. Synthesis of8Z,10z-Dodecadienyl Acetate Using a General Method Applicable toZ,Z-1,3-Dienes

    Article • Synthetic Communications, May 1985, Taylor & Francis

    Professor C. Rikard Unelius