ARTICLES | RESEARCH PRESENTATIONS | PUBLISHED ABSTRACTS | GRADUATE WORK
*Papers co-author with Students
PUBLISHED PEER-REVIEWED JOURNAL ARTICLES
French, J.R.J. and R.A. Roeper. 1972. Observations on Trypodendron rufitarsis (Coleoptera: Scolytidae) and its primary symbiotic fungus, Ambrosiella ferruginea. Annals of the Entomological Society of America, 65:282.
French, J.R.J. and R.A. Roeper. 1972. In vitro culture of the ambrosia beetle Xyleborus dispar (Coleoptera: Scolytidae) with its symbiotic fungus, Ambrosiella hartigii. Annals of the Entomological Society of America, 65:719-721.
French, J.R.J. and R.A. Roeper. 1973. Interactions of the ambrosia beetle, Xyleborus dispar (Coleoptera: Scolytidae) with its symbiotic fungus Ambrosiella hartigii (Fungi Imperfect). Canadian Entomologist, 104:1635-1641.
French, J.R.J. and R.A. Roeper. 1973. Patterns of nitrogen utilization between the ambrosia beetle Xyleborus dispar and its symbiotic fungus. Journal of Insect Physiology, 19:593-605.
French, J.R.J. and R.A. Roeper. 1975. Studies on the biology of the ambrosia beetle Xyleborus dispar (F.) (Coleoptera: Scolytidae). Zeitschriff fur Angewandte Entomologie, 78:241-247.
Roeper, R.A. and J.R.J. French. 1978. Observations of Monarthrum dentiger and its primary symbiotic fungus, Ambrosiella brunnea in California. Pan-Pacific Entomologist, 54:68-69.
*Roeper, R.A., L.M. Treeful, R.A. Foote and M.A. Bunce. 1980. In vitro culture of the ambrosia beetle Xyleborus affinis (Coleoptera: Scolytidae). The Great Lakes Entomologist, 13:33-35.
*Roeper, R.A., C. Hazen, D. Helsel and M.A. Bunce. 1980. Studies on Michigan ambrosia fungi. Michigan Botanist, 19:69-73.
*Roeper, R.A., L.M. Treeful, K. O’Brien, R.A. Foote and M.A. Bunce. 1980. Life history of Xyleborus affinis (Coleoptera: Scolytidae) from in vitro culture. The Great Lakes Entomologist, 13:141-143.
*Hazen, C. and R.A. Roeper. 1980. Observations of the ambrosia beetle Xyleborus sayi (Coleoptera: Scolytidae) infesting subcanopy maples in Michigan. The Great Lakes Entomologist, 13:145-147.
Roeper, R.A. and J.R.J. French. 1981. Growth of the ambrosia fungus Ambrosiella hartigii on various nitrogen sources. Mycologia, 73:202-204.
Roeper, R.A. and J.R.J. French. 1981. Ambrosia fungi of Western United States and Canada–Beetle associations (Coleoptera: Scolytidae), tree hosts and distributions. Northwest Science, 55:305-309.
*Roeper, R.A., D.V. Zestos, B.J. Palik, and L.R. Kirkendall. 1987. Distribution and host plants of Corthylus punctatissimus (Coleoptera: Scolytidae) in the lower peninsula of Michigan. The Great Lakes Entomologist, 20(2):69-70.
*Roeper, R.A., B.J. Palik, D.V. Zestos, P.G. Hesch, and C.D. Larsen. 1987. Observations of the habits of Corthylus punctatissimus (Coleoptera: Scolytidae) infesting maple saplings in Central Michigan. The Great Lakes Entomologist, 20(4):173-176.
*Brewer, S.D., R.A. Beck, and R.A. Roeper. 1988. Observations of the gallery habits of Trypodendron retusum (Coleoptera: Scolytidae) infesting aspen in Central Michigan. The Great Lakes Entomologist, 21(1):5-8.
*Larsen, S.W., C.L. Howell, K.J. Densmore, and R.A. Roeper. 1994. Seasonal patterns of flight and attack of maple saplings by the ambrosia beetle Corthylus punctatissimus (Coleoptera: Scolytidae) in central Michigan. The Great Lakes Entomologist, 27(2):103-106.
Roeper, R.A. 1995. Patterns of mycetophagy in Michigan ambrosia beetles (Coleoptera: Scolytidae). Michigan Academician 26:153-161.
Roeper, R.A. 1996. Ambrosia beetles of the continental United States and Canada and a status of knowledge of their associated primary symbiotic fungi. Newsletter of the Michigan Entomological Society, 41(2&3):12-14.
Benjamin, R.K., … R.A. Roeper. 2004, Insect – and other Arthropod-Associated Fung in Mueller, G.M., G.F. Bills, and M.S. Foster, ed., Biodiversity of Fungi Elesevier Academic Press
*Roeper, Richard, Michael Allen, Teresa Hutchinson, Curina Quidot, and Mark Bunce. 2015. Gallery Characteristics and Life History of the ambrosia Beetle Trypodendron betulae ( Coeloptera:Curculiondidae: Scolytinae) in Birch. The Great Lakes Entomolgist 48(3&4): 163-167.
*Roeper,Richard, Mark Bunce, John E. Harlan, & Richard G Bowker. 2015. Observations of Xyleborus affinis Eichhoff (Coeloptera : Curculiondae: Scolytinae) in Central Michigan. The Great Lakes Entomologist 48 (3&4) : 111-113.
Mayers, C.G., D.L. McNew, T.C. Harrington, R.A. Roeper, S.W. Fraedrich, P.H. Bidermann, L.A. Castrillo, and S.E. Reed, 2015. Three genera of Caratiocysideace are respective symbts of three independent linearge of ambrosia beetles with large complex mycangia. Fungal Biology 119[11] 1075-1092.
*Cassar,Steven, Roeper R., Beck R., Pomeroy T., & Bunce M..2016. Gallery Characteristics and Life History of the Ambrosia Beetle Anisandrus obesus ( Coleoptera: Curculiondae: Scolytinae) in Big Tooth Aspen. The Great Lakes Entomologist 49 (3&4) : 169-172.
*Benjaman D.Grossmsn & Richard A. Roeper. 2018. Observations of the habits of Trypodendron rufitarsis (Coleoptera:Curculionidae:Scolytinae). Submitted and Accepted to The Great Lakes Entomologist.
*Richard Roeper,Daniel Dickerson,.Paul Kurtzhals, Mark Bunce, and Steven Brewer. 2018. Observations of the Mating habits and Attack Pattern of Trypodendron retusum (Coleoptera: Curculionidae: Scolytinae)on Populus grandidentata in Central Michigan. Suhmitted to The Great Lakes Entomologist.
Mayers, C.G., T.C. Harrington, D.L. NcNew, R.A. Roeper, P.H. Biedermann, H. Masuya, and C.C. Bateman, 2020. Four mycangial types and four genera of ambrosia fungi suggest a complex history of fungus in the ambrosia bettle tribe Xyloterini. Mycologia 112: 1104-1137.
RESEARCH PRESENTATIONS
Roeper, R.A. March, 1970. A fungal species of Lagnedium parasitizing Oscillatoria. Oregon Academy of Science. Salem, Oregon.
Roeper, R.A. and J.R.J. French. April, 1971. Symbiotic Fungi of Ambrosia Beetles of the Pacific Northwest. Northwest Scientific Association Meetings. Pullman, Washington.
French, J.R.J. and R.A. Roeper. April 1971. Studies on the ambrosia beetle Xyleborus dispar Fabr., with emphasis on nutrition and reproduction. Northwest Scientific Association Meeting. Pullman, Washington.
Roeper, R.A. June, 1971. Biology of the symbiotic fungi associated with the ambrosia beetles of the Western United States. Joint Meetings of the Mycological Society of America and Canadian Phytopathology Society. Edmonton, Alberta, Canada.
Roeper, R.A. and J.R.J. French. November, 1971. Biology of the ambrosia beetle Xyleborus dispar F. and its symbiotic fungus Ambrosiella hartigii Batra. Entomological Society of America Meetings. Los Angeles, California.
French, J.R.J. and R.A. Roeper. November, 1971. In vitro culturing of the ambrosia beetle Xyleborus dispar F. Entomological Society of America Meetings. Los Angeles, California.
Roeper, R.A. April, 1973. Biology of the ambrosia fungus Ambrosiella hartigii Batra. Michigan Academy of Science, Arts, and Letters. Ann Arbor, Michigan.
*Hazen, C.R. and R.A. Roeper. March, 1974. Observations of the ambrosia beetle Xyleborus sayi (Coleoptera: Scolytidae) infesting subcanopy maple in Michigan. Michigan Academy of Science, Arts, and Letters. Ypsilanti, Michigan.
*Helsel, D. and R.A. Roeper. March, 1974. Microbes associated with the ambrosia beetle Gnathotrichus materiarus (Coleoptera: Scolytidae). Michigan Academy of Science, Arts, and Letters. Ypsilanti, Michigan.
*Foote, R., L. Treeful and R.A. Roeper. March, 1975. In vitro culture of the ambrosia beetle Xyleborus affinis. Michigan Academy of Science, Arts, and Letters. East Lansing, Michigan.
*Getschman, G. and R.A. Roeper. March, 1976. Timber volumes of the floodplain forest of the Pine River Basin. Michigan Academy of Science, Arts, and Letters. East Lansing, Michigan.
*Bunce, M.A. and R.A. Roeper. March, 1978. Symbiotic fungi associated with the ambrosia beetle Xyleborus affinis. Michigan Academy of Science, Arts, and Letters. Ypsilanti, Michigan.
*Roeper, R.A. and R.D. Parlier. June, 1987. The mutual fungi associated with the pitted ambrosia beetle, Corthylus punctatissimus (Coleoptera: Scolytidae). Paper presented at the joint meetings of the Mycological Society of America and the Canadian Phytopathology Society in Ottawa, Ontario, Canada.
Roeper, R.A. July, 1988. Interactions of the ambrosia beetle Corthylus punctatissimus and its mutualistic fungi. Invited symposium presentation at the XVIII International Congress of Entomology in Vancouver, British Columbia, Canada. Symposium titled: Classification, Phylogeny and Natural History of Scolytidae.
DeGraaf, D. and R.A. Roeper. February, 1989. The Kellogg Teacher Participation in Research Program, Michigan Science Teacher Association Meeting.
*Jackson, T., K. Duncan, and R.A. Roeper. March, 1989. Cultural Dimorphism of Gibberella zea. Michigan Academy of Science, Arts, and Letters.
*Keller, G., M. Fine and R.A. Roeper. March, 1989. Nutritional and enzymatic qualities of the symbiotic fungi associated with the ambrosia beetle Corthylus punctatissimus (Coleoptera: Scolytidae). Michigan Academy of Science, Arts, and Letters.
Roeper, R.A. March, 1989. Involving high school students and teachers in an undergraduate research participation program. Michigan Academy of Science, Arts, and Letters Symposia.
*Keller, G., M. Fine, and R.A. Roeper. August, 1989. Nutrition relationships between the primary mutualistic symbionts of the ambrosia beetle, Corthylus punctatissimus (Coleoptera: Scolytidae). Mycological Society of America, Toronto, Ontario, Canada.
*Howell, C. and R.A. Roeper. March, 1990. Seasonal flight patterns of eight species of ambrosia beetles in Central Michigan. Michigan Academy of Science, Arts, and Letters.
*Cassar, S. and R.A. Roeper. March, 1990. Life history of the ambrosia beetle Xyleborus obesus (Coleoptera: Scolytidae). Michigan Academy of Science, Arts, and Letters. Albion, MI.
Roeper, R.A. June, 1990. Ambrosia beetle studies–flight. Michigan Entomological Society Meetings, Midland, Michigan.
*Cassar, S. and R.A. Roeper. June, 1990. New species of Ambrosiella associated with the ambrosia beetle Xyleborus obesus (Coleoptera: Scolytidae). Mycological Society of America, Madison, Wisconsin.
*Grossman, B. and R.A. Roeper. March, 1991. Adult life history of Trypodendron rufitarsis (Coleoptera: Scolytidae). Michigan Academy of Science, Arts, and Letters, Albion, Michigan.
Roeper, R.A. March-April, 1991. Environmental history of the Pine River. Presentation to Alma and Ithaca Rotary, Alma Kiwanis, SUN (Alma College environmental group) and Alma High School.
*Grossman, B. and R.A. Roeper. May, 1991. Infestation patterns, gallery characteristics, and emergence of Trypodendron rufitarsis (Coleoptera: Scolytidae). Michigan Entomological Society Meetings, Traverse City, Michigan.
Allen, M., C. Quidort, T. Hutchinson, and R.A. Roeper. May, 1991. Observations of the adult life history of Trypodendron betulae (Coleoptera: Scolytidae). Michigan Entomological Society Meetings, Traverse City, Michigan.
*Larsen, S., C. Howell, K. Densmore, and R.A. Roeper. May, 1991. Flight and seasonal host infestation patterns of Corthylus punctatissimus (Coleoptera: Scolytidae). Michigan Entomological Society Meetings, Traverse City, Michigan.
Roeper, R.A. April, 1992. The Interactions of the ambrosia beetle Corthylus punctatissimus with its symbiotic fungus. Botany & Entomology Departments, Louisiana State University, Baton Rouge, Louisiana.
Roeper, R.A. and D. DeGraaf. June, 1992 (poster). Alma College, W.K. Kellogg Summer Research Program. Council of Undergraduate Research, Hope College, Holland, Michigan.
*Roeper, R.A. and J. McCallister. June, 1992. In vitro culture of the ambrosia beetle Xylosandrus germanus (Coleoptera: Scolytidae). Michigan Entomological Society Meetings, Michigan State University, East Lansing, Michigan.
*Atkins, J. and R.A. Roeper. June, 1992. Interaction of the ambrosia beetle Xyloterinus politus and its symbiotic fungi. Michigan Entomological Society Meetings, Michigan State University, East Lansing, Michigan.
*Roeper, R.A., J.G. Atkins, P.F. Emling, W.F. Nelson, and S.T. Worthington. August, 1992. Biology of Ambrosiella hartigii associated with the ambrosia beetle, Xylosandrus germanus. Joint Annual Meetings of Mycological Society of America and American Phytopathological Society, Portland, Oregon.
*Catania, A.F., V.P. Lebedovych, A.R. Ruhlman, and R.A. Roeper. March, 1993. Vertical flight distribution of ambrosia beetles (Coleoptera: Scolytidae) in central Michigan. Michigan Academy of Science, Arts, and Letters, Kalamazoo, Michigan.
*Lebedovych, V.P., A.F. Catania, A.R. Ruhlman, and R.A. Roeper. March, 1993. Flight behavior of the ambrosia beetle Xyloterinus (Coleoptera: Scolytidae). Michigan Academy of Science, Arts, and Letters, Kalamazoo, Michigan.
*Catania, A.F., V.P. Lebedovych, A.R. Ruhlman, and R.A. Roeper. May, 1993. Vertical flight distribution of seven ambrosia beetle (Coleoptera: Scolytidae) in central Michigan. Michigan Entomological Society Meetings, Pellston, Michigan.
*Lebedovych, V.P., A.F. Catania, A.R. Ruhlman, and R.A. Roeper. May, 1993. Diurnal flight patterns of Xyloterinus politus (Coleoptera: Scolytidae). Michigan Entomological Society Meetings, Pellston, Michigan.
*Roeper, R.A., P.F. Emling, B.F. Nelson, and J.A. England. June, 1993. Ambrosia fungi of the Southern United States. Annual Meeting of the Mycological Society of America, Athens, Georgia.
*Roeper, R.A., K.L. Giles, J.G. Atkins, and S.C. Cassar. June, 1993. Ambrosia fungi associated with Xyloterinus politus (Coleoptera: Scolytidae). Annual Meeting of the Mycological Society of America, Athens, Georgia. (Poster)
Roeper, R.A. December, 1993. New associations of fungal symbionts of ambrosia beetles (Coleoptera: Scolytidae) of the United States. Entomological Society of America Annual Meeting. Indianapolis, Indiana.
Roeper, R.A. March, 1994. Patterns of mycetophagy in wood-boring beetles (Coleoptera) of the family Scolytidae in Michigan. Michigan Academy of Science, Arts and Letters. Michigan State University, East Lansing, Michigan.
Roeper, R.A. June, 1994. Biology of the ambrosia beetle Xyleborus affinis (Coleoptera: Scolytidae). Michigan Entomological Society Meeting, Fernwood Botanic Gardens. Niles, Michigan.
*Overton, B.E., Z.D. Richter, and R.A. Roeper. June, 1994. Effects of nitrogen concentration on the in vitro culture of Xyleborus affinis and associated symbiotic fungi. Michigan Entomological Society Meeting, Fernwood Botanic Garden. Niles, Michigan.
*Roeper, R.A., J. England, P. Emling and J. Atkins. August, 1994. Comparative nutritional requirements of symbiotic Ambrosiella species associated with ambrosia beetles. Fifth International Mycological Congress, Vancouver, British Columbia, Canada (poster).
Roeper, R.A. September, 1994. Michigan ambrosia beetles and their fungi. 20th Annual Alexander Smith Mycological Foray, Michigan State Biological Station, Gull Lake, Michigan.
Roeper, R.A. October, 1994. Recent advancements in the study of mutualism between ambrosia beetles and their fungi. Senior Seminar, Kalamazoo College.
Krautstrunk, B. and R.A. Roeper. 1995. Biology of the Ambrosia Beetle Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Scolytidae). Annual meeting of Michigan Academy of Science, Arts and Letters, Ferris State University, March 10, 1995.
*Wood, C.G. and R.A. Roeper. 1995. Spacial Attack Patterns of Wood-Boring Ambrosia Beetles (Coleoptera: Scolytidae) on the Surface of the Hosts. Annual meeting of Michigan Academy of Science, Arts and Letters, Ferris State University, March 10, 1995.
*Krautstrunk, B. and R.A. Roeper. 1995. Biology of the Ambrosia Beetle Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Scolytidae). Annual meeting of the Michigan Entomology Society, Alma College, June 2, 1995.
*Wood, C.G. and R.A. Roeper. 1995. Entrance Attack Patterns of Ambrosia Beetles on their Woody Hosts. Annual meeting of the Michigan Entomology Society, Alma College, June 2, 1995.
Roeper, R.A. 1996. The Alma College Ecological Station as a Biological Resource. Biology Departmental Seminar. Central Michigan University, Mt. Pleasant, Michigan, January 25, 1996.
Roeper, R.A. 1996. The Biology of Hosta: Germination, Tissue Culture, Dormancy, and Mycorrhiza. Eastern Michigan Hosta Society Meeting, Lapeer, Michigan, February 1, 1996.
Roeper, R.A. 1996. The Trees of Alma College: Development of a Campus Arboretum. Poster-Botany Section, Michigan Academy of Science, Arts and Letters. Annual Meeting, Alma College, Alma, Michigan, March 1, 1996.
Roeper, R.A. 1996. Current Status of Our Knowledge of Ambrosia Beetles (Coleoptera: Scolytidae) and Fungal Associations of the United States and Canada. Annual Meeting of the Michigan Entomological Society, Kellogg Biological Station, Hickory Corners, Michigan, May 17, 1996.
*Roeper, R.A., B.E. Overton, and Z.D. Richter. 1996. Effect of Nitrogen Concentration on In Vitro Culture of a Mutualistic Fungal-Beetle System: The Ambrosia Beetle Xyleborus affinis (Coleoptera: Scolytidae) and Its Associated Fungi. American Phytopathology Society/ Mycological Society of America Annual Meeting, Indianapolis, Indiana, July 27-31, 1996.
*Inman, R.L., S.J. Hypio, R.A. Leonard, M.C. Borrello and R.A. Roeper. 1997. Vegetational Habitats of the Forest Hill Conservation Area. Botany Section, Michigan Academy of Science, Arts and Letters, Calvin College, March, 1997.
*Jacobs, S., L. Byam, R.A. Roeper and D. L. Clark. 1997. Habitat Distribution of Spiders at the Forest Hill Conservation Area. Annual meeting of the Michigan Entomological Society. Chippewa Nature Center, Midland, Michigan, May 23, 1997.
R.A. Roeper. 1997. Fungal symbionts of the Ambrosia Beetle Xyleborus ferrugineus (Coleoptera: Scolytidae). Annual meeting of Mycological Society of America at the AIBS Conference Meetings, Montreal, Quebec, August 4, 1997.
*Mailee D. Woods and R.A. Roeper. Comparative Physiology of the Fungal Symbionts of the Ambrosia Beetle Xyleborus ferrugineus (Coleoptera: Scolytidae). Botany Section, Michigan Academy of Science, Arts and Letters, Alma College, February, 1998.
*Mailee D. Woods and R.A. Roeper. Comparative Physiology of the Fungal Symbionts of the Ambrosia Beetle Xyleborus ferrugineus (Coleoptera: Scolytidae). Honors Day Presentation Alma College April 2, 1998.
*Murray C. Borrello, Anne Murphy and R.A. Roeper. General Hydrogeology of Forest Hills Ecological Field Station. Geology Section, Michigan Academy of Science, Arts and Letters, Alma College, February, 1998.
*Nathan R. Stouffer, R.A. Roeper and Murray C. Borrello. A Comparison of Three Plant Communities in the “Tension Zone” of Central Michigan. Botany Section, Michigan Academy of Science, Arts and Letters, Alma College, February, 1998.
*Kevin DeGroot and R.A. Roeper. Comparative Physiology of Three Strains of the Ambrosia Fungus Ambrosiella hartgii. Honors Day Presentation April, 1999.
*Richard A. Roeper, Steven C. Cassar, Robert A. Beck, and Todd A Pomeroy .2007 Biology of Xyleborus obesus (Coleoptera: Scolytidae) in Central Michigan. Annual Meeting of the Michigan Entomological Society.
Richard A. Roeper. 2011. Relationship between Mycangia and Symbiotic Fungi of Ambrosia Beetles in USA. Annual Meeting of the Michigan Entomological Society. Hasting, Michigan.
*Richard A. Roeper, Steven Larsen, Michael Allen ,& Brian Palik. 2014. Impact of Cortylus punctatissimus (Coeloptera; Scolytidae) on Woody Sub-Canopy Vegetation in Central Michigan . Annual Meeting of the Michigan Entomological Society.
Richard A Roeper 2016. A review of the effect of nitrogen concentration on ambrosia beetle (Coeloptera: Curculiondae: Scolytindae) Shanty Creek, Michigan.
PUBLISHED ABSTRACTS
Roeper, R.A. 1971. A fungal species of Lagnedium parasitizing Oscillatoria. Proceedings of the Oregon Academy of Science, VII:68.
*Roeper, R.A. and R.D. Parlier. 1987. The mutualistic fungi associated with the pitted ambrosia beetle, Corthylus punctatissimus (Coleoptera: Scolytidae). Mycological Society of America Newsletter, 38(1):46.
Roeper, R.A. 1988. Interactions of the ambrosia beetle Corthylus punctatissimus and its mutualistic fungi. Proceedings of the XVIII International Congress of Entomology, XVIII:410.
*Roeper, R.A., G.S. Keller and M.D. Fine. 1989. Nutritional relationships between the primary mutualistic symbionts of the ambrosia beetle Corthylus punctatissimus. Mycological Society of America Newsletter, 40(1):45.
*Roeper, R.A. and S. Cassar. 1990. A new species of Ambrosiella associated with the ambrosia beetle Xyleborus obesus (Coleoptera: Scolytidae). Mycological Society of America Newsletter, 41(1):35.
Roeper, R.A. 1990. Ambrosia beetle studies–flight habits. Newsletter of the Michigan Entomological Society, 35(3):8.
*Grossman, B. and R.A. Roeper. 1991. Infestation patterns, gallery characteristics, and emergence of Trypodendron rufitarsis. Newsletter of the Michigan Entomological Society, 36(2&3):8.
Allen, M., C. Quidort, T. Hutchinson and R.A. Roeper. 1991. Observations on the adult life history of Trypodendron betulae (Coleoptera: Scolytidae). Newsletter of the Michigan Entomological Society, 36(2&3):9.
*Larsen, S., C. Howell, K. Densmore and R.A. Roeper. 1991. Flight and seasonal host infestation patterns of Corthylus punctatissimus (Coleoptera: Scolytidae). Newsletter of the Michigan Entomological Society, 36(2&3):11.
*Roeper, R and Jamie McCallister. 1992 Culture of the Ambrosia Beetle Xylosandrus germanus (Scolytidae). Newsletter of the Michigan Entomological Society : 37(2&3):10.
Justin Atkins and Richard Roeper Interaction of the Ambrosia Beetle Xyloterinus politus with its symbiotic microbes. Newsletter of the Michigan Entomological Society: 37 (2&3) 10.
*Roeper, R.A., J.G. Atkins, P.F. Emling, W.F. Nelson, and S.T. Worthington. August, 1992. Biology of Ambrosiella hartigii associated with the ambrosia beetle, Xylosandrus germanus. Inoculum 43(1,2,3):48.
*Catania, A.F., V.P. Lebedovych, A.R. Ruhlman, and R.A. Roeper. 1993. Vertical flight distribution of ambrosia beetles (Coleoptera: Scolytidae) in central Michigan. Michigan Academician, 25(3):355-356.
*Lebedovych, V.P., A.F. Catania, A.R. Ruhlman, and R.A. Roeper. 1993. Flight behavior of the ambrosia beetle Xyloterinus politus (Coleoptera: Scolytidae). Michigan Academician, 25(3):356.
*Catania, A.F., V.P. Lebedovych, A.R. Ruhlman, and R.A. Roeper. 1993. Vertical flight distribution of ambrosia beetles (Coleoptera: Scolytidae) in central Michigan. Newsletter of the Michigan Entomological Society 38(2&3):10.
*Lebedovych, V.P., A.F. Catania, A.R. Ruhlman, and R.A. Roeper. 1993. Flight behavior of the ambrosia beetle Xyloterinus politus (Coleoptera: Scolytidae). Newsletter of the Michigan Entomological Society 38 (2&3): 10.
*Roeper, R.A., P.E. Emling, B.F. Nelson, and J.A. England. 1993. Ambrosia fungi of the southern United States. Inoculum, 44(3):56.
*Roeper, R.A., K.L. Giles, J.G. Atkins, and S.C. Cassar. 1993. Ambrosia fungi associated with Xyloterinus politus (Coleoptera: Scolytidae). Inoculum, 44(3):56.
Richard A Roeper 1994 Biology of the ambrosia beetle Xyleborus affinis. Newsletter of the Michigan Entomological Society 39 (2&3):11.
Barrie Overton, Zachary Richter, and Richard A Roeper. 1994 Effects of Nitrogen concentration on the in vitro culture of Xyleborus affinis and associated symbiotic fungi. Newsletter of the Michigan Entomological Society 39 (2&3): 11.
Roeper, R.A. 1994. Patterns of mycetophagy in the wood-boring beetles (Coleoptera) of the family Scolytidae in Michigan. Michigan Academician 26(2): 404.
Roeper, R.A., J. England, P. Emling and J. Atkins. August, 1994. Comparative nutritional requirements of symbiotic Ambrosiella species associated with ambrosia beetles. Published Abstracts of the Fifth International Mycological Congress, Vancouver, British Columbia, Canada. page 182.
*Krautstrunk, B. and R.A. Roeper. 1995. Biology of the Ambrosia Beetle Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Scolytidae). Michigan Academician 27(3):378.
*Krauststrunk B. and R. A. Roeper 1995. A Study of the Ambrosia Beetle Xylosandrus crassiuslus (Motschulsky) (Coleoptera: Scolytidae). Newsletter of the Michigan Entomological Society 40 ( 2& 3): 13.
*Wood, C.G. and R.A. Roeper. 1995. Spatial Attack Patterns of Wood-Boring Ambrosia Beetles (Coleoptera: Scolytidae) on the Surface of he Hosts. Michigan Academician 27(3):378.
Roeper, R.A. 1996. The Trees of Alma College: Development of a Campus Arboretum. Michigan Academician, 28(3):216.
*Roeper, R.A., B.E. Overton, and Z.D. Richter. 1996. Effect of Nitrogen Concentration on In Vitro Culture of a Mutualistic Fungal-Beetle System: The Ambrosia Beetle Xyleborus affinis(Coleoptera: Scolytidae) and Its Associated Fungi. Inoculum, 47(3): 28.
*Inman, R.L., S.J. Hypio, R.A. Leonard, M.C. Borrello, and R.A. Roeper. 1997. Vegetational Habitats of the Forest Hill Conservation Area. Michigan Academician XXIX(3):264.
*Jacobs, S., L. Byam, R.A. Roeper and D. L. Clark. 1997. Habitat Distribution of Spiders at the Forest Hill Conservation Area. Newsletter of the Michigan Entomological Society 42(2-4)11.
R.A. Roeper. 1997. Fungal Symbionts of the Ambrosia Beetle Xyleborus ferrugineus (Coleoptera: Scolytidae). Inoculum, 48(2):24.
*Mailee D. Woods and R.A. Roeper. 1998. Comparative Physiology of the Fungal Symbionts of the Ambrosia Beetle Xyleborus ferrugineus (Coleoptera: Scolytidae). Michigan Academician, XXX(3):216.
*Murray C. Borrello, Anne Murphy, and R.A. Roeper. 1998. General Hydrogeology of Forest Hills Ecological Field Station. Michigan Academician, XXX(3):257.
*Nathan R. Stouffer, R.A. Roeper and Murray C. Borrello. 1998. A Comparison of Three Plant Communities in the “Tension Zone” of Central Michigan. Michigan Academician, XXX(3):218.
*Kevin DeGroot and R.A. Roeper. Comparative Physiology of Three Strains of the Ambrosia Fungus Ambrosiella hartgii. Honors Day Presentation April, 1999. pp. 14.
*Roeper .Richard A, Steven C. Cassar, Robert A. Beck, and Todd A Pomeroy .2007 Biology of Xyleborus obesus (Coleoptera: Scolytidae) in Central Michigan. Newsletter of the Michigan Entomological Society. 52 (3&4) : 37.
Roeper.Richard A. December, 2011. Relationship between Mycangia and Symbiotic Fungi of Ambrosia Beetles in USA. Newsletter of the Michigan Entomological Society: 56: 32.
*Roeper .Richard A, Steven Larsen, Michael Allen, & Brian Palik. 2014. Impact of Cortylus punctatissimus (Coeloptera; Scolytidae) on Woody Sub-Canopy Vegetation in Central Michigan . Newsletter of the Michigan Entomologist 59:(3&4) 35.
Richard A. Roeper. 2016. A review of the effect of nitrogen concentration on ambrosia beetle (Coeloptera: Curculiondae: Scolytindae) Newsletter of the Michigan Entomological Society. 61(3&4) 31.
Mayers, C.G., T.C. Harrington, D.L. McNew, & R.A. Roeper. 2019. A Different fungus in every pocket. Mycological Society of America Meetings. Abstract.
GRADUATE WORK
Ph.D. Thesis: Biology of Symbiotic Fungi Associated with Ambrosia Beetles of Western United States. Dr. W.C. Denison, Major Professor.