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Photo#1582588
communal beetles - Diabrotica cristata

communal beetles - Diabrotica cristata
Ojibway Prairie, Windsor, Essex, Ontario, Canada
August 25, 2018
Swarming in flowers of pasture thistle (Cirsium discolor) but also noticed in joe-pye-weed and goldenrod nearby.
They were constantly moving, making it difficult to get a clear shot of any particular individual.

Images of this individual: tag all
communal beetles - Diabrotica cristata communal beetles - Diabrotica cristata communal beetles - Diabrotica cristata communal beetles - Diabrotica cristata

Moved
Moved from Beetles.

How about

 
That looks like them,
Thanks J & J!

Some of the online pics also show a curved indentation near the edge of the elytra, like mine do...

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