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Related Experiment Video

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Lepidoptera of Canada.

Gregory R Pohl1, Jean-François Andry2, B Chris Schmidt2

  • 1Natural Resources Canada, Canadian Forest Service, 5320 - 122 St., Edmonton, Alberta, T6H 3S5, Canada Natural Resources Canada Edmonton Canada.

Zookeys
|February 5, 2019
PubMed
Summary
This summary is machine-generated.

Canadian moth and butterfly (Lepidoptera) diversity has increased by 1348 species since 1979, with 5405 currently known. DNA barcoding reveals significant undiscovered biodiversity, particularly in certain regions and moth families.

Keywords:
Biota of Canadabiodiversity assessmentbutterfliesmoths

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Area of Science:

  • Zoology
  • Entomology
  • Biodiversity Science

Background:

  • The Lepidoptera (moths and butterflies) of Canada have been cataloged, with previous knowledge assessed against 1979 data.
  • Understanding insect biodiversity is crucial for ecological assessments and conservation efforts.

Purpose of the Study:

  • To summarize the known Lepidoptera species in Canada.
  • To compare current knowledge with historical data from 1979.
  • To assess the status of DNA barcoding for Canadian Lepidoptera and estimate undiscovered species.

Main Methods:

  • Compilation of known Lepidoptera species occurrences across Canadian provinces and territories.
  • Comparison of species counts with historical records from 1979.
  • Tabulation of available DNA barcode data from 148,314 specimens.
  • Estimation of undiscovered species based on current data and knowledge gaps.

Main Results:

  • Canada hosts 5405 known Lepidoptera species across 81 families, an increase of 1348 species since 1979.
  • DNA barcoding data includes 148,314 specimens representing 5842 distinct clusters.
  • An estimated 1400 additional Lepidoptera species remain undiscovered in Canada.
  • The Gelechioidea superfamily is the least understood lineage; Nunavut, Prince Edward Island, and British Columbia show the greatest knowledge deficits.

Conclusions:

  • Canadian Lepidoptera diversity has significantly increased, yet substantial undiscovered biodiversity persists.
  • Specific regions like Beringia (Yukon) and parts of British Columbia are identified as biodiversity hotspots requiring further research.
  • Targeted surveys and continued DNA barcoding efforts are essential to fully document Canada's moth and butterfly fauna.