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Paleoentomology and Paleoecology of a Possible Sangamonian Site Near Innerkip, Ontario☆

Published online by Cambridge University Press:  20 January 2017

Jerry J. Pilny  and
Alan V. Morgan
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Abstract

A stream section near Innerkip, Ontario, exposes several meters of organic silts and peaty detritus beneath two late Wisconsinan tills. Radiocarbon dates provide a minimal middle Wisconsinan age of >50,000 yr B.P. A 250-kg bulk sample from the peat stratum was processed for vertebrates, plant macrofossils, and insects. Vertebrate remains include teeth from deer, muskrat, and vole as well as plates from a turtle shell. At least 6000 insect fragments from a minimum of 19 Coleoptera families were identified. The most common groups are hydrophilids and dytiscids (water beetles), curculionids (weevils), staphylinids (rove beetles), and carabids (ground beetles). The majority of identified beetles are associated with fresh water as aquatic predators, scavengers, or grazers, while others prefer hygric substrates and moist plant litter. The large number of plant-dependent beetles, the numerous floating and emergent aquatic plant seeds, and the presence of the associated vertebrates point toward a locally rich and varied flora and fauna, probably deposited in a well-vegetated pond. The modern distributions and ecologies of the identified fossil insects suggest temperatures similar to those found in southern Ontario today. On these grounds the Innerkip peat represents either a very warm interstadial or a possible interglacial deposit. If the latter is true this is the second presumed Sangamon-aged site known in southern Ontario.

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Articles
Information
Quaternary Research , Volume 28 , Issue 1 , July 1987 , pp. 157 - 174
Copyright
University of Washington

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References

Canadian Climate Normals: Temperature and Precipitation 1951–1980 (Ontario) 1983 Atmospheric Environment Service, Environment Canada Downsview, Ontario Anonymous Google Scholar
Behler, J. L. King, F. W. Audubon Society Field Guide to North American Reptiles and Amphibians 1979 Knopf New York Google Scholar
Brown, D. M. McKay, G. A. Chapman, L. J. The Climate of Southern Ontario 1968 Department of Transport, Meteorology Branch Climatological Studies 5 Google Scholar
Campbell, J. M. A revision of the North American Omaliinae (Coleoptera: Staphylinidae). 3. The genus Acidota Stephens. The Canadian Entomologist 114 1982 1003 1029 CrossRefGoogle Scholar
Cowan, W. R. Quaternary Geology of the Woodstock Area, Southern Ontario 1975 Ontario Division of Mines Report 119. Toronto Google Scholar
Fernald, M. L. 8th ed. Gray's Manual of Botany 1950 American Book Co., New York Google Scholar
Goulet, H. The genera of holarctic Elaphrini and species of Elaphrus Fabricus (Coleoptera: Carabidae): Classification, phylogeny and zoogeography. Questiones Entomologicae 19 1983 219 482 Google Scholar
Hatch, M. H. The Beetles of the Pacific Northwest 1971 Part 5, “Rhipiceroidea, Sternoxi, Phytophaga, Rhyncophora, and Lamellicornia.” University of Washington Publications in Biology, 16. Seattle, WA Google Scholar
Hotchkiss, N. Common Marsh, Underwater, and Floating-Leaved Plants of the United States and Canada 1972 Dover Mineola, NY Google Scholar
Kuc, M. G. S. C. Bryological Report No. 245 1973 (unpublished) Google Scholar
Kuc, M. G. S. C. Bryological Report No. 265 1974 (unpublished) Google Scholar
Leech, H. B. Chandler, H. P. Aquatic Coleoptera. Wilson, R. L. Aquatic Insects of California. 1956 Univ. of California Press Berkeley 293 371 Google Scholar
Lindroth, C. H. The ground-beetles (Carabidae excl. Cicindelinae) of Canada and Alaska. Opuscula Entomologica Supplementum 20 1961 1 200 Part 2 Google Scholar
Lindroth, C. H. The ground-beetles (Carabidae excl. Cicindelinae) of Canada and Alaska. Opuscula Entomologica Supplementum 24 1963 201 408 Part 3 Google Scholar
Lindroth, C. H. The ground-beetles (Carabidae excl. Cicindelinae) of Canada and Alaska. Opuscula Entomological Supplementum 29 1966 409 648 Part 4 Google Scholar
Lowdon, J. A. Robertson, I. M. Blake, W. Jr. Geological Survey of Canada Radiocarbon Dates, XVII 1977 Queen's Publishers Ottawa, Ontario Geological Survey of Canada Paper 77-7 CrossRefGoogle Scholar
Martin, A. C. Barkley, W. D. Seed Identification Manual. 1961 Univ. of California Press Berkeley CrossRefGoogle Scholar
Marx, E.J.F. Review of the subgenus Donacia in the Western hemisphere. Bulletin of the American Museum of Natural History 112 1957 191 278 Google Scholar
McAndrews, J. H. Late Quaternary climate of Ontario: Temperature trends from the fossil record. Mahaney, W. C. Quaternary Paleoclimate. 1981 Geo Abstracts, University of East Anglia Norwich, England 319 333 Google Scholar
Miller, B. B. Karrow, P. F. Kalas, L. L. Late Quaternary molluscs of glacial Lake Algonquin, Nipissing, and transitional sediments from southwestern Ontario, Canada. Quaternary Research 11 1979 93 112 CrossRefGoogle Scholar
Miller, B. B. Karrow, P. F. Mackie, G. L. Late Quaternary molluscan faunal changes in the Huron Basin. Karrow, P. F. Calkin, P. E. Quaternary Evolution of the Great Lakes. Geological Association of Canada Special Paper 30 1985 95 107 Google Scholar
Miller, N. G. Late glacial and postglacial vegetation change in southwestern New York State. New York State Museum Science Service Bulletin 420 1973 1 102 Google Scholar
Miller, R. F. Morgan, A. V. A postglacial coleopterous assemblage from Lockport Gulf, New York. Quaternary Research 17 1982 258 274 CrossRefGoogle Scholar
Montgomery, F. H. Seeds and Fruits of Plants of Eastern Canada and Northeastern United States 1977 Univ. of Toronto Press Toronto, Ontario Google Scholar
Morgan, A. The fossil occurrence of Helophorus arcticus Brown (Coleoptera: Hydrophilidae) in Pleistocene deposits of the Scarborough Bluffs, Ontario. Canadian Journal of Zoology 50 1972 555 558 CrossRefGoogle Scholar
Morgan, A. Morgan, A. V. Elias, S. A. Holocene insects and paleoecology of the Au Sable River, Michigan. Ecology 66 1985 1817 1828 CrossRefGoogle Scholar
Morgan, A. V. Late Wisconsin and early-Holocene paleoenvironments of east-central North America based on assemblages of fossil Coleoptera. Ruddiman, W. F. Wright, H. E. Jr. North America and Adjacent Oceans during the Last Deglaciation. Decade of North American Geology Volume 1987 Geological Society of America Boulder, CO (in press) Google Scholar
Morgan, A. V. Morgan, A. Faunal assemblages and distributional shifts of Coleoptera during the late Pleistocene in Canada and the northern United States. The Canadian Entomologist 112 1980 1105 1128 CrossRefGoogle Scholar
Morgan, A. V. Morgan, A. Paleoentomological methods of reconstructing paleoclimate with reference to Interglacial and Interstadial insect faunas of southern Ontario. Mahaney, W. C. Quaternary Paleoclimate. 1981 Geo Abstracts, University of East Anglia Norwich, England 173 192 Google Scholar
Morgan, A. V. Morgan, A. Ashworth, A. C. Matthews, J. V. Jr. Late Wisconsin fossil beetles in North America. Porter, S. C. Wright, H. E. Jr. Late Quaternary Environments of the United States Vol. 1 1983 Univ. of Minnesota Press Minneapolis 354 363 “The Late Pleistocene” Google Scholar
Morgan, A. V. Morgan, A. Nelson, R. E. Pilny, J. J. Current status of knowledge on the past and present distribution of the genus Blethisa (Coleoptera: Carabidae) in North America. The Coleopterists Bulletin 40 1986 105 115 Google Scholar
O'Brien, C. W. Wibmer, G. J. Annotated Checklist of the Weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionidae) 1982 Memoirs of the American Entomological Institute, Ann Arbor, MI Google Scholar
Puthz, V. (1984). Unpublished ecological notes on several species of Stenus (personal communication to Anne Morgan).Google Scholar
Schwert, D. P. Anderson, T. W. Morgan, A. Morgan, A. V. Karrow, P. F. Changes in late Quaternary vegetation and insect communities in southwestern Ontario. Quaternary Research 23 1985 205 226 CrossRefGoogle Scholar
Sculthorpe, C. D. The Biology of Aquatic Vascular Plants 1967 Arnold London Google Scholar
Smetana, A. Revision of the Tribe Quediini of America north of Mexico (Coleoptera: Staphylinidae). Memoirs of the Entomological Society of Canada 79 1971 Google Scholar
Smetana, A. Revision of the subfamily Sphaeridiinae of America north of Mexico (Coleoptera: Hydrophilidae). Memoirs of the Entomological Society of Canada 105 1978 Google Scholar
White, J. H. Hosie, R. C. 4th ed. The Forest Trees of Ontario 1968 Ontario Ministry of Nat ural Resources, Division of Forests Toronto Google Scholar
Williams, N. E. Westgate, J. A. Williams, D. D. Morgan, A. Morgan, A. V. Invertebrate fossils (Insecta: Trichoptera, Diptera, Coleoptera) from the Pleistocene Scarborough Formation at Toronto, Ontario, and their paleoenvironmental significance. Quaternary Research 16 1981 146 166 CrossRefGoogle Scholar
Wilson, L. D. Geological Survey of Canada, wood identification Report No. 75-3 1975 (unpublished) Google Scholar
Wood, S. L. The Bark and Ambrosia Beetles of North America and Central America (Coleoptera: Scolytidae): A taxonomic monograph. Great Basin Naturalist Memoirs 6 1982 Google Scholar
Young, F. N. The Water Beetles of Florida. Biological Sciences Series 5 1954 Univ. of Florida Press Gainesville (1) Google Scholar