Hwy 55 and Sedwick, Durham County, North Carolina, USA April 4, 2005 Size: 32 mm
Detail of fringed metatarsi. Dytiscus has a less prominent fringe, looking at the illustrations in Dillon. (1) Even more important, this photo shows the fringe on the outer margin of the metatarsi, lacking in Dytiscus. (1)
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