Tropisternus collaris
family: Water Scavenger Beetles
Pryor, Mayes County, OK
6/19/2014

Tropisternus collaris mexicanus
family: Water Scavenger Beetles
Pryor, Mayes County, OK
8/28/2012

Tropisternus collaris striolatus
family: Water Scavenger Beetles
Pryor, Mayes County, OK
Size: 7.8 mm
8/31/2012