Forest moth taxa as indicators of lepidopteran richness and habitat disturbance: a preliminary assessment |
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| Authors: | Keith S Summerville Thomas O Crist |
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| Institution: | a Department of Environmental Science and Policy, Drake University, Olin Hall, 2507 University Avenue, Des Moines, IA, 50311-4505, USAb Institute of Environmental Science, Miami University, Oxford, OH 45056, USAc Department of Zoology, Miami University, Oxford, OH 45056, USA |
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| Abstract: | The conservation of hyperdiverse taxa such as arthropods may prove frustrating for land managers who lack the taxonomic expertise to perform species-level identifications. Therefore, interest has turned towards selecting indicator taxa that can be monitored as surrogates for detecting changes in entire communities. In this study, we examined whether several moth families or subfamilies were significant indicators of lepidopteran species richness and habitat disturbance in Eastern deciduous forests of North America. We screened moth families to identify assemblages that are easily sampled and primarily comprised of species that can be identified by non-experts. Using existing field data collected over 3 years, we tested four taxa that met our initial requirements with regard to their performance as an indicator of total observed lepidopteran species richness and levels of forest disturbance. We determined that the Arctiidae and Notodontidae hold promise as potential indicator taxa in Eastern deciduous forests. The Arctiidae functioned best as an indicator of moth species richness, while the Notodontidae performed best as a coarse-scale disturbance indicator. Additional research will be required, however, before species within either family have practical significance as tools for assessing forest condition. |
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| Keywords: | Arctiidae Conservation biology Fragmentation Notodontidae Surrogate taxa |
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