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Photo#456953
unknown beetle? - Pleocoma

unknown beetle? - Pleocoma
Pescadero Marsh, San Mateo County, California, USA
September 18, 2010
Size: approximately 1 inch
Beetle? very hairy underneath; several were found in tunnels a few inches below grade while creating a new trail in clay soil

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unknown beetle? - Pleocoma unknown beetle? - Pleocoma

Pleocoma behrensi
Woody , you have a fine example of a Pleocoma behrensi male . I have 30 or so male Pleocoma behrensi and 40 or so male Pleocoma conjungens conjungens . Cheers ! Gene St. Denis

Pleocoma sp., a so-called 'rain beetle'
i'll show it to the experts, hoping for a species name

Moved from ID Request.

 
Very interesting location. T
Very interesting location. There have not been any rain beetles collected from many miles in any direction from that spot. Please hold on to them if possible.

They would either be P. behrensi or P. conjungens, probably the former more than the latter, but who knows.

Can you be more specific on where they were found, like what kind of habitat? Thanks for any additional info.

 
location
The location was at the north end of the Pescadero Marsh Natural Preserve (a part of the Pescadero State Beach). We were building a new trail that will link the Pescadero Marsh Loop Trail with the north parking lot. The new trail leads across a hill (perhaps the highest point in the north marsh) and down to where a bridge will be built to span a channel leading from the marsh to the ocean. The beetles were found in soil tunnels a few inches down in clay soil near the top of the hill and also down slope towards the bridge site. The area is low marine chaparral (mostly poison oak, coyote brush and small forbs). We found 4 or 5 specimens but released all of them. I hope this helps.

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