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Photo#1837327
Houdini fly at mason bee house - Cacoxenus indagator
Copyright © 2020 Colin Purrington

Houdini fly at mason bee house - Cacoxenus indagator
Swarthmore, Delaware County, Pennsylvania, USA
April 14, 2020
Size: 2 mm
I believe this is Cacoxenus indagator.

iNaturalist observation: https://www.inaturalist.org/observations/42403885.
Contributed by Colin Purrington on 20 June, 2020 - 1:45pm
Last updated 21 June, 2020 - 5:44am

Houdini fly spreading
Crown Bees reports that this fly is now parasitizing mason bees in Oregon & Washington. A video at their website includes methods of control. I'm seeing a lot of maggots that I believe are from Houdini fly in my mason bee tubes this month.
… Chris, 15 November, 2020 - 8:50pm

Moved
Moved from Flies.
… John F. Carr, 21 June, 2020 - 5:44am

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