- Klimetzek, D., J. Kohler, J. P. Vite, and U. Kohnle. 1986. Dosage response to ethanol mediates host selection by "secondary" bark beetles. Naturwissenschaften 73270-272.
- Kohnle, U., J. P. Vite, H. Meyer, and W. Francke. 1994. Response of four American engraver bark beetles, Ips spp (Col, Scolytidae), to synthetic racemates of chiral pheromones . Journal of Applied Entomology 117:451-456.
- Giesen, H., U. Kohnle, J. P. Vite, M. L. Pan, and W. Francke. 1984. Das Aggregationspheromon des mediterranen Kiefernborkenkafers Ips (Orthotomicus) erosus . Zeitschrift fur Angewandte Entomologie 98:95-97.
- Kohnle, U. 1981. Trypodendron: Grundlagen des Schutzes waldlagernden Holzes. Unpublished dissertaion, Dipl. Arb. Forstwiss. Fak. Univ. Freiburg Br.
- Kohnle, U., and D. Klimetzek. 1984. Behavioral chemicals in the competitive displacement of bark beetles affecting Norway spruce. Abstract. International Congress of Entomology, Proceedings, Hamburg 1984, 17:587.
- Kohnle, U., and J. P. Vite. 1984a. Bark beetle predators: strategies in the olfactory perception of prey species by clerid and trogositid beetles . Zeitschrift fur Angewandte Entomologie 98:504-508.
- Kohnle, U., and J. P. Vite. 1984b. Bicyclic ketals in the chemical communication of European bark beetles . Naturwissenschaften 71:47-48.
- Payne, T. L., D. Klimetzek, V. Kohnle, and K. Mori. 1983. Electrophysiological and field responses of Trypodendron spp. to enantiomers of lineatin. Zeitschrift fur Angewandte Entomologie 95:272-276.
- Richert, K., and U. Kohnle. 1984. Zum wirtschaftlichen Einsatz van Lockstoff-Fallen zur Borkenkaferbekampfung . Allgemeine Forstzeitschrift 39:866-867.
- Schurig, V., R. Weber, D. Klimetzek, U. Kohnle, and K. Mori. 1982. Enantiomeric composition of 'lineatin' in three sympatric ambrosia beetles . Naturwissenschaften 69:602-603.
- Francke, W., J. Bartels, H. Schmutzenhofer, U. Kohnle, and J. P. Vite. 1988. The odor-bouquet of Ips schmutzenhoferi Holschuh (Col: Scol) . Zeitschrift fur Naturforschung, C (Biosciences) 43:958-960.
- Francke, W., M. L. Pan, J. Bartels, W. A. Konig, J. P. Vite, S. Krawielitzki, and U. Kohnle. 1986. The odour bouquet of three pine engraver beetles (Ips spp) . Journal of Applied Entomology 101:453-461.
- Kohnle, U. 1984. Beziehungen zwischender Austrocknung von Fangbaumen und ihrer Attraktivitat fur Fichtenborkenkafer . Allgemeine Forst- und Jagdzeitung 155:270-274.
- Kohnle, U. 1985a. Untersuchungen uber die Pheromonsysteme sekundarer Borkenkafer (Col., Scolytidae). Unpublished dissertation, University of Freiburg, Bertoldstr., Germany.
- Kohnle, U. 1985b. Untersuchungen uber die Pheromonsysteme sekundarer Borkenkafer (Col, Scolytidae) . Journal of Applied Entomology 100:197-218.
- Kohnle, U., W. Francke, and A. Bakke. 1985. Polygraphus poligraphus (L): response to enantiomers of beetle specific terpene alcohols and a bicyclic ketal . Journal of Applied Entomology 100:5-8.
- Kohnle, U., S. Kopp, and W. Francke. 1986. Inhibition of the attractant pheromone response in Ips acuminatus (Gyll) by Ips sexdentatus (Boerner) (Coleoptera, Scolytidae) . Journal of Applied Entomology 101:316-319.
- Kohnle, U., M. Mussong, V. Dubbel, and W. Francke. 1987. Acetophenone in the aggregation of the beech bark beetle Taphrorychus bicolor (Col, Scolytidae) . Journal of Applied Entomology 103:249-252.
- Kohnle, U., H. Schmutzenhofer, J. Barels, and W. Francke. 1988. Oxygenated terpenes in the chemical communication system of the bark beetle, Ips schmutzenhoferi (Col, Scolytidae), a species recently described for the southeastern Himalaya . Journal of Applied Entomology 106:46-51.
- Kohnle, U., J. P. Vite, C. Erbacher, J. Bartels, and W. Francke. 1988. Aggregation response of European engraver beetles of the genus Ips mediated by terpenoid pheromones . Entomologia Experimentalis et Applicata 49:43-54.
- Schurig, V., U. Leyrer, and U. Kohnle. 1985. Enantiomer composition and absolute configuration of terpentine-4-01 from the bark beetle Polygraphus poligraphus. Naturwissenschaften 72(4). 211 p.
- Kohnle, U. 1991. Verhaltensmodifizierende Duftstoffe in der Aggregation von Borkenkäfern der Gattung Ips DeGeer (Col., Scolytidae). [Behavior modifying aromatic substances in aggregation of bark beetles of the genus Ips DeGeer (Col., Scolytidae)]. Freiburg im Breisgau: Forstzoologischen Institut der Albert Ludwigs Universitat.
- Kohnle, U., M. Meyer, and J. Kluber. 1992. Untersuchungen zur Formulierung eines Lockstoffes für den grossen Kiefernborkenkäfer Ips sexdentatus [Formulating an attractrant for the pine bark beetle Ips sexdentatus]. Allegemeine Forst- und Jagdzeitung 163:81-87.
- Kohnle, U., J. Vité, E. Baader, H. Meyer, and W. Francke. 1991. Chirality of ipsdienol and ipsenol indicates a frass system in the spruce engraver, Ips typographus . Naturwissenschaften 78:136-138.
- Kohnle, U., S. Densborn, D. Duhme, and J. Vité. 1992a. Bark beetle attack on host logs reduced by spraying with repellents . Journal of Applied Entomology 114:83-90.
- Kohnle, U., S. Densborn, P. Kolsch, H. Meyer, and W. Francke. 1992b. E-7 methyl-1,6-dioxaspero[45] decane in the chemical communication of European Scolytidae and Nitidulidae (Coleoptera) . Journal of Applied Entomology 114:187-192.
- Kohnle, U., A. Pajares, J. Bartels, H. Meyer, and W. Francke. 1993. Chemical communication in the European pine engraver, Ips mannsfieldi (Wactl) (Col, Scolytidae) . Journal of Applied Entomology 115:1-7.
- Kohnle, U., J. Vité, H. Meyer, and W. Francke. 1994. Response of four American engraver bark beetles, Ips spp. (Col., Scolytidae), to synthetic racemates of chiral pheromones. Journal of Applied Entomology 117:451-456.
- Zuber, M., H. Meyer, U. Kohnle, and W. Francke. 1993. Odour production and pheromone response in the European engraver bark beetles, Ips amitinus (Eichh) and Ips amitinus var montana Fuchs (Col, Scolytidae) . Journal of Applied Entomology 115:462-465.
- Francke, W., J. Bartels, H. Meyer, F. Schroder, U. Kohnle, E. Baader, and J. Vite. 1995. Semiochemicals from bark beetles: New results, remarks, and reflections . Journal of Chemical Ecology 21:1043-1063.
- Francke, W., F. Schroeder, U. Kohnle, and M. Simon. 1996. Synthesis of (1S,2R,5R)-2-ethyl-15-dimethyl-6,8-dioxabicyclo[321]octane, the aggregation pheromone of male beech bark beetles, Taphrorychus bicolor (Col, Scol) . Liebigs Annalen 0:1523-1527.