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Abstract
Ground beetle (Coleoptera: Carabidae) species assemblages were studied at sites on the Huron-Manistee National Forests in Newaygo County, Michigan. The goal was to monitor changes in carabid diversity on areas where mature red pine (
Pinus resinosa Sol. ex Aiton) was removed during the 1996–1997 winter and compare with carabid diversity at nearby natural dry sand prairie sites, natural oak-pine barrens, and uncut red pine stands. The red pine had been planted on dry sand prairie sites during 1940–1950. Sampling with pitfall traps occurred during May-August in both 1996 and 1997, but only July–August in 1999. Overall, 16,259 carabid specimens were collected, representing 92 species of which one was a new state record for Michigan:
Dicaelus furvus furvus Dejean. Of the 92 species, 27 were collected in the uncut red pine stands, 41 in the natural dry sand prairie sites, 28 in the natural oak-pine barrens, and 77 in the clearcut areas. Of all 41 species collected in the dry sand prairie sites, 27 (66%) of these were collected in the clearcut sites in 1997, 30 (73%) in 1999, and 34 (81%) for both years combined. Carabid abundance peaked in June in the red pine and oak-pine sites, compared with August for the clearcut sites. Non-metric multidimensional scaling (NMDS) ordination indicated considerable overlap in the carabid composition for the red pine and oak-pine collections, but more distinct assemblages for the dry sand prairie and clearcut sites. Of the 92 species, 41 (45%) were significant indicator species for a particular habitat.
Citation
Haack, R.A.; Petrice, T.R.; Davidson, R.L.; Acciavatti, R.E. 2024. Changes in ground beetle (Coleoptera: Carabidae) species assemblages after removal of red pine (
Pinus resinosa) overstory on dry sand prairie sites in Michigan. The Great Lakes Entomologist 57(1-2): 4. 21 p. https://doi.org/10.22543/0090-0222.2487.
