Water Scavenger Beetle - Tropisternus natator
Guelph, Wellington, Ontario, Canada
September 23, 2006
Size: 9.5 mm
A new shot of the sternal keel to replace the old one. Notes from the earlier image:
"Tropisternus natator. This is a view of the mesosternal keel, which is wider than that of the similar T. glaber and is longitudinally depressed. See image of flipped beetle for other identification notes."
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