Journal
MOLECULAR ECOLOGY RESOURCES
Volume 9, Issue -, Pages 42-50Publisher
WILEY
DOI: 10.1111/j.1755-0998.2009.02631.x
Keywords
bees; criticisms; DNA barcoding; morphology; pollinators
Funding
- Genome Canada
- NSERC
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A small but vocal community of critics has questioned the epistemological value of DNA barcoding by suggesting that either it 'cannot work' for the identification or discovery of species or that it ignores the 'richness' inherent in traditional approaches. We re-examine these arguments through a comparison of DNA barcoding and morphological taxonomy in terms of their accuracy and diversity of characters employed. We conclude that morphology often does not work and that it is often nowhere near as 'rich' as has been argued. Morphology is particularly poor in numerous important situations, such as the association of larvae with adults and discrimination among cryptic species. The vehemence of some of the criticisms is surprising given that morphology alone is known to be inadequate to the task of species-level identification in many instances.
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