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March flies
Not considered a nursery production pest, March flies,
Bibio albipennis and Bibio xanthippes, are found on occasion
in large numbers in production areas. These flies are dimorphic, the males
and females differing in appearance. They are often found joined together.
This gave rise to the common name of love bugs for a similar species, Plecia
sp., found in the south. For our area, March fly is a misnomer as they
are usually found in April and May in Western Oregon.
More information can be found at the following websites:
WSU Fact Sheet: March
Flies
North Carolina State University: Department of Entomology Insect Notes: March Flies.
Brisbane Insects: March Flies. Nice images of March Flies at this site.
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