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1 October 2010 Ant Diversity and Distribution in Acadia National Park, Maine
Gary D. Ouellette, Francis A. Drummond, Beth Choate, Eleanor Groden
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Abstract

Exotic ant species are a primary threat to ant biological diversity, posing a negative impact to native ant communities. In this study, we examine species richness of ants (family Formicidae) in Acadia National Park, ME, as a fundamental step toward understanding the present impact of the exotic species Myrmica rubra on native ant species. Twelve habitat types were sampled, along six transects, with pitfall traps, visual searching, bait traps, and leaf litter extraction, and the aid of 34 volunteers. We report 42 species of ants in Acadia National Park, comprising five subfamilies (Amblyoponinae, Dolichoderinae, Formicinae, Myrmicinae, and Ponerinae) and 15 genera; the cataloged species represents 75% of the species originally recorded in the area by Procter (1946). Our findings suggest M. rubra is currently not a dominant species throughout the entire island. However, where this species has invaded locally, few competing native species coexist. The species Lasius alienus, Formica subsericea, Myrmica detritinodis, Camponotus herculeanus, Formica argentea, Formica aserva, and Tapinoma sessile occurred most often in our survey. We report the ant species Amblyopone pallipes and Dolichoderus mariae as two new records for the state of Maine.

© 2010 Entomological Society of America
Gary D. Ouellette, Francis A. Drummond, Beth Choate, and Eleanor Groden "Ant Diversity and Distribution in Acadia National Park, Maine," Environmental Entomology 39(5), 1447-1456, (1 October 2010). https://doi.org/10.1603/EN09306
Received: 15 October 2009; Accepted: 10 June 2010; Published: 1 October 2010
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KEYWORDS
Acadia National Park
Formicidae
Myrmica rubra
species
survey
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