English: Illustration of the Plecia avus (syn Penthetria avus) holotype wing fossils as preserved, estimated wing length 10 mm (0.39 in).
Ypresian, "Vermilion Cliff", Allenby Formation, British Columbia, Canada
Geological Survey of Canada collections specimen, collected by Lawrence M. Lambe 6 Aug 1906
Date
Source
Handlirsch, Anton (1910). "Canadian fossil Insects. Part 5. Insects from the Tertiary lake deposits of the southern interior of British Columbia, collected by Mr. Lawrence M. Lambe". Contributions to Canadian Palaeontology2 (3): 93–129.
Author
Handlirsh, Anton
Licensing
Public domainPublic domainfalsefalse
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